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15th Century and Earlier Natural Specimens

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Period: 15th Century and Earlier
Color:  Black
Unusual Black Amethyst Druze Formation on Metal Stand
Located in London, GB
An exquisite black amethyst druze cluster with polished stalactite. Rare and notoriously difficult to find, this stunning and unique black amethyst druz...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Complete Slice of Imilac Meteorite
Located in London, GB
This complete cross-sectional slice from the Imilac meteorite has been prepared to reveal shimmering olivine and peridot gems embedded in an iron-nick...
Category

Antique 15th Century and Earlier Natural Specimens

Materials

Other

Edmontosaurus Skull
Located in London, GB
An impressive skull of an Edmontosaurus, a large herbivorous dinosaur that lived during the Late Cretaceous period, 68-66 million years ago. The three rows of sixty or more teeth on either side of the jaw, known as the ‘dental battery’, mark the Edmontosaurus as part of the Hadrosauridae, or duckbill family of dinosaurs. It belongs to the flat-skulled, or solid-crested, Hadrosaurinae, which replaced the older hollow-crested hadrosaurs. Edmontosaurus was one of the last non-avian dinosaurs to ever exist, living shortly before the Cretaceous-Paleogene extinction event. The Edmontosaurus was named in 1917 by Lawrence Lambe, after a partial specimen from Edmonton in Alberta, Canada. The existence of large Edmontosaur bone beds...
Category

American Antique 15th Century and Earlier Natural Specimens

Materials

Bone

High Quality Half Amethyst Geode with Calcite Formation
Located in London, GB
A stunning half geode with an incredible amethyst and overlaid calcite formation at the bottom. The interior of the piece is a very deep cavity which presents very high-quality ameth...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Electric Purple Amethyst Surrounded by White Quartz and Dark Blue/Grey Agate
Located in London, GB
The electric intensity of this piece's coloration makes it both stunning and unique. The sparkling color and natural wave-like form makes for a hypnotic sculpture evoking a sense of ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Brown quartz stalactites with fiery interior
Located in London, GB
Several brownish quartz stalactites grace this small formation, the frontal one cut longitudinally to reveal a fiery interior. This piece was legally and ethically sourced directly ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Small intense vivianite on matrix
Located in London, GB
Intense vivianite crystals on an earthy matrix. The vivianite crystals are water clear from edge and pearlescent on the cleaved surface. A wonderful, sculptural arrangement, evocativ...
Category

Brazilian Antique 15th Century and Earlier Natural Specimens

Materials

Quartz, Rock Crystal

Extraterrestrial Iron Meteorite Sphere
Located in London, GB
Aletai Meteorite Sphere Iron - IIIE circa 4.5 Billion years old A perfect metallic sphere, extracted from the core of the famous Aletai Meteorite, di...
Category

Chinese Antique 15th Century and Earlier Natural Specimens

Materials

Other

Amethyst shell-like geode
Located in London, GB
Beautiful section of an amethyst geode, unusually thin in cross section and resembling a shell with gorgeous deep purple amethyst lining. Origin : Artigas, Uruguay
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Small towering grey druze stalactite formation
Located in London, GB
This small towering stalactite formation is covered in grey druze with tanbrown accents and transparent quartz overlaying green celadonite. This piece was legally and ethically sour...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Rough geode section with contrasting amethyst
Located in London, GB
Like a treasure chest, this striking geode section shows the incredible contrast between the rough volcanic stone (basalt) in which the geodes are found, and the radiant amethystine ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Crinoid (Codiacrinus) on Matrix from Morocco (15.2 lbs)
Located in New York, NY
Crinoids, also known as sea lilies, are members of the Echinodermata phylum along with starfish and sea urchins. This well preserved sea fossil is from Morocco. Crinoids have the app...
Category

Moroccan Antique 15th Century and Earlier Natural Specimens

Materials

Cement, Other

Natural Grey Quartz Geode Decorative Object or Paperweight
Located in New York, NY
A beautiful natural grey quartz geode specimen. Great as a standalone object on shelf, table, atop books, on a desk, as a paperweight, etc. Very good condi...
Category

Organic Modern Antique 15th Century and Earlier Natural Specimens

Materials

Crystal, Quartz

Green organic formation
Located in London, GB
A wonderful display piece showing a prominent thick stalactite at the centre, covered with glass-like green-brown druzy quartz. The lower border polished to reveal a wonderful sea gr...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Seymchan Meteorite Sphere
Located in London, GB
Seymchan Sphere Pallasite 291 g Comprising less than 0.2% of all meteorites, pallasites, made up of an iron-nickel matrix interwoven with amber-coloured olivine gemstones, are the most dazzling meteorites of all. This piece, extracted from the Seymchan meteorite...
Category

Russian Antique 15th Century and Earlier Natural Specimens

Materials

Iron

Large Polished Labradorite Freeform
Located in Wormelow, Herefordshire
A spectacular naturally formed large polished labradorite freeform sourced from Madagascar. Characterised by its iridescent colours...
Category

Malagasy Modern Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Small Gogotte De Fontainenbleue, Natural Mineral Sculpture
Located in Leuven , BE
A nice example of a gogotte formation composed of thick swirls and folds of sparkling sandstone. Discovered in the Oligocene sand dunes of Fontainebleau, France, formed circa 30 mill...
Category

French Antique 15th Century and Earlier Natural Specimens

Materials

Sandstone

Large Polished Labradorite Freeform
Located in Wormelow, Herefordshire
A spectacular large polished labradorite freeform sourced from Madagascar. Characterised by its iridescent colours, principally blue, this huge high grade labradorite is a stunning specimen, the lustrous colours fluctuating as it is observed from different angles. It is freestanding, making a striking sculptural piece for an interior, with a polished face to one side and a naturalistic reverse. Labradorite is named after the region of its discovery at Paul Island in the Canadian province of Labrador, first discovered here in 1770. Madagascar is currently the main source of labradorite. To expose its stunning colours, the stone is highly polished, revealing its natural beauty. This in itself is a talented skill, with only a small percentage of labradorites yielding positive results, making this specimen a rare discovery. We also have two other large labradorite...
Category

Malagasy Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Lunar Meteorite
Located in London, GB
A beautiful fragment from a lunar meteorite, among the rarest of all geological finds. This specimen belongs to NWA 11303, a feldspathic regolith breccia which formed when the shock ...
Category

Algerian Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Lunar Meteorite
Lunar Meteorite
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Sculptural Oriented Meteorite
Located in London, GB
Oriented Chondrite Meteorite Circa 4.56 Billion y/o Chondrite 24 x 20 cm, 28 cm tall on base 7.1 kg A sculptural and beautifully weathered chondrite meteorite; upon entering the atmosphere, this extraterrestrial stone would have heated the surrounding air to a temperature of over 1700 C, higher than that of the hottest lava on the planet, and enough to melt away its outer layers, leaving its surface rippled with regmaglypts, thumb-shaped impressions formed as superheated rock streaked off of the main body as it careened toward the earth. The last layer of the rock to melt would have re-solidified as the meteorite made impact, forming a charcoal coloured fusion crust, which has taken on a deep ochre-tinted patina. Chondrite meteorites such as this example were formed at the very beginning of our solar system, by the accretion of various types of dust and small grains, adrift in the vacuum of space and, as such, provide important clues about the birth of our own planet. This piece is an especially rare specimen, known as an oriented meteorite...
Category

Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Stunning Brazilian Elestial Smokey Quartz
Located in London, GB
A gorgeous sculptural piece of elestial quartz. So-called elestial quartz originates from Brazil and is admired for its three-dimensional quality and transparent-smokey appearance. A...
Category

Brazilian Antique 15th Century and Earlier Natural Specimens

Materials

Quartz

Geode with Orange Brown Crystals and Frontal Calcite Rosette
Located in London, GB
This pleasing open geode contains a bed of orange-brown amethystine quartz of moderate size with a frontal rosette of several small calcite crystals. The borders polished. This ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Natural Basalt Section with Amethyst Exposed
Located in London, GB
This fascinating section of basalt perfectly illustrates how the precious amethyst appears in the tunnels of the underground mines of Artigas. Glistening deep purple crystals jump ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Natural Gogotte Formation
Located in London, GB
A magnificent example of a gogotte formation composed of thick swirls and folds of sparkling sandstone. Discovered in the Oligocene sand dunes of Fontainebleau, France, formed circa 30 million years before present or later. The incredible, almost otherworldly appearance of gogottes may easily be mistaken for the work of a most talented artist. In fact, these sandstone sculptures are entirely natural in origin. They have been found in multiple locations but those from Fontainebleau, such as the present example, are the most remarkable. Thirty-five million years ago, a sea covered what is now the forest of Fontainebleau, and dunes of exceptionally fine and homogenous sand formed. As silica-rich water filtered through this sand, it turned into stone. The flow of water finely modelled the sandstone into the aesthetic concretions we now know as gogottes. These are rare and are only found sporadically several metres deep into the ground. They owe their sparkling white appearance to the extreme and unmatched purity of the Fontainebleau sand, sometimes reaching a composition of 99.9% silica. Each of them is unique – a masterpiece slowly fashioned by the hands of Nature. The intriguing name of “gogotte” was coined by French geologist Claude Guillemin (1923- 1994), who was inspired by the children’s book series Babar the Elephant. In one of the books, a group of monsters called Gogottes are shown hiding behind rocks. These rocks reminded Guillemin of the sandstone concretions...
Category

Antique 15th Century and Earlier Natural Specimens

Materials

Other

Oriented Stone Meteorite
Located in London, GB
Oriented Stone Meteorite Chondrite 5.00 kg Detached from its parent body by a mighty impact, this large, oriented Meteorite travelled over a hu...
Category

North African Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Pre-Solar Stardust, a Piece of the Allende Meteorite
Located in London, GB
Pre-Solar Stardust - A piece of the Allende Meteorite Carbonaceous Chondrite - CV3 Height 6.98 cm 280 g “This individual sample of the Allende CV3 carbonaceous chondrite shows ...
Category

Mexican Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Cross Section of the Imilac Meteorite
Located in London, GB
“This 282 g interior section of the Imilac pallasite shows a large range of olivine grain sizes – there are coarse grains, grain clusters and fine-grained, crushed olivine debris. All of the olivine grains are surrounded by a matrix of metallic iron-nickel derived from the top of a molten core of a differentiated asteroid.” Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences, UCLA Imilac - interior section Stony-iron, pallasite - PMG 8 1/4 inches (20.95 CM), 282 g This complete cross-sectional slice from the Imilac meteorite...
Category

Antique 15th Century and Earlier Natural Specimens

Materials

Other

Sculptural Iron Meteorite from Morasko, Poland
Located in London, GB
Iron Meteorite from Morasko, Poland Circa 4.55 Billion y/o Iron, IAB-MG A sculptural iron meteorite dating to the formation of the solar system, s...
Category

Polish Antique 15th Century and Earlier Natural Specimens

Materials

Iron

Purple Half Geode Amethyst with Calcite Formations Shaped as Cathedral or Chapel
Located in London, GB
This is a stunning half geode with a shape often referred to by collectors as a “chapel” or “cathedral”, due to the elongated shape that occurred millions of years ago when trapped b...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Monolithic Stone Meteorite
Located in London, GB
Unclassified Meteorite Stone Height: 36.83 cm 42.5 kg A dramatic extraterrestrial sculpture, of monolithic form, covered in a thick grey-brown fusion crust and with areas of sandy deposits from untold years spent on the desert floor. Formed in the asteroid belt between Mars and Jupiter during the formation of our solar system, some 4.55 billion years ago, this large stone would have been separated from its parent body by an enormous impact before journeying through interplanetary space and eventually reaching Earth. Upon atmospheric entry it would have reached cosmic velocity, heating the surrounding air to 1700°C and producing a large ball of fire. The heat was sufficient to melt the outer surface of the stone, exposing a new surface which in turn also melted away, losing as much as 95% of its initial mass before reaching the ground. The last molten layer to form as it collided with the Earth covered the stone in a layer of fusion crust, evidence of the incredible impact force delivered by this extraordinary specimen. “This unclassified stone meteorite was found in Northwest Africa. It has a relatively smooth, dark brown, slightly weathered fusion crust; some small melt veins are visible on the surface. Due to the near-absence of terrestrial rocks in this region of the Sahara, meteorite hunting in this area has yielded many notable discoveries.” Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences...
Category

North African Antique 15th Century and Earlier Natural Specimens

Materials

Stone

A Piece of Mars - Martian Meteorite
Located in London, GB
MARTIAN STONE - NWA 14713 Lherzolitic shergottite 127 g “This 127-gram fragment of the NWA 14713 meteorite displays a green-black mottled exterior. The rock is a martian shergottite (a basalt) composed mainly of coarse grains of pyroxene as well as calcium-plagioclase glass. This glass, called maskelynite, formed from crystalline plagioclase when the specimen was blasted off the surface of Mars by an energetic collision. There are currently less than 350 known martian meteorites...
Category

North African Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Purple Amethyst Decorative Object or Paperweight
Located in New York, NY
A beautiful purple amethyst cluster decorative object, paperweight, or luxury display piece. A great piece for a bookshelf, cocktail table, on a desk as paperweight, etc. Dimensions:...
Category

Organic Modern Antique 15th Century and Earlier Natural Specimens

Materials

Amethyst, Quartz

Free-Standing Quartz & Hematite Crystal XL 158 LBS
Located in Los Angeles, CA
Extra large, free-standing. Polished Quartz crystal with Hematite. From Brazil. Overall tones are brown, sand, honey, deep yellow, & Beige. 158 LBS (Requires Special Delivery & ...
Category

Brazilian Antique 15th Century and Earlier Natural Specimens

Materials

Crystal, Quartz

Set of Three Prehistoric Ammonite
Located in Miami, FL
Set of three prehistoric ammonite fossil, unmounted. Measurements: Big amonite: Depth *4.5in Width *5.5in Height *1.6in Medium amonite: Depth *4.1in Width *5.1in Height *1.6in...
Category

Prehistoric Antique 15th Century and Earlier Natural Specimens

High Quality Amethyst Goethite Inclusions Resembling Rosettes
Located in London, GB
An unusual piece of high quality deep purple amethyst with large peaked crystals. Inside the amethyst multiple goethite crystals resembling rosettes can be seen. Several of the cry...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Vitrified Lightning Bolt
Located in London, GB
An Extraordinarily well preserved specimen of Fulgurite Tubular Lechatetierite Formation date unknown, recovered from the Sahara Desert, Algeria, ...
Category

Algerian Antique 15th Century and Earlier Natural Specimens

Materials

Glass

Half Polished Amethyst Geode with Agate Border and Calcite Formation
Located in London, GB
A half polished geode with a thick agatised border. The inside covered by deep purple amethyst crystals and 2 beautiful calcite formations at the centre, one of them covered with a b...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Large Chondrite Meteorite with Regmaglypts
Located in London, GB
NWA 12759 Stone, Chondrite - L5 18.3 KG “This specimen of the NWA 12759 L5 chondrite has a smooth posterior fusion crust where meteoritic melt pooled as the rock descended through the atmosphere and was heated by friction with molecules of air. The meteorite is from the L-chondrite asteroid that was destroyed by an energetic collision 470 million years ago.” Dr Alan E. Rubin, PhD Department of Earth, Planetary, and Space Sciences, UCLA Detached from its parent body by a mighty impact, this large, oriented meteorite travelled over a hundred million miles through space before falling to Earth in the North African desert. Beautiful regmaglypts radiate from the apex of its cone shaped nose. These elongated dimples formed when streaks of superheated molten rock streamed off the meteor’s surface as it blazed through the atmosphere. The entire piece is coated in a glossy, umber-coloured fusion crust and close examination reveals remnants of encrusted, orange dirt. Whilst most meteors tumble as they travel through the Earth’s atmosphere, oriented meteorites...
Category

Moroccan Antique 15th Century and Earlier Natural Specimens

Materials

Stone

Geode Section with Rare Amethyst Formation and Intense Green Shell
Located in London, GB
This striking section cut from the centre of a geode, contains an unusual formation of calcite with a blanket of amethyst crystals. The borders are polished to reveal the beautiful c...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Large Amethyst Chapel
Located in London, GB
This large amethyst chapel, a complete half of the original geode, shows deep purple amethyst crystals punctuated with small stalactites and overlaid ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Genuine Large Canyon Diablo Iron Meteorite
Located in New York, NY
Genuine Canyon Diablo iron Meteorite in display box. This nickel-iron meteorite was found in the world famous Baringer crater (meteor crater) AZ, USA. Th...
Category

American Antique 15th Century and Earlier Natural Specimens

Materials

Other, Iron

Labradorite XL Front Polished
Located in BAARN, UT
151 kg. Labradorite is named after the Canadian peninsula of Labrador where the rock was first found and described. It is a plagioclase feldspar that rarely if ever forms crystals a...
Category

Malagasy Antique 15th Century and Earlier Natural Specimens

Materials

Other

Labradorite One Side Polished
Located in BAARN, UT
Labradorite is named after the Canadian peninsula of Labrador where the rock was first found and described. It is a plagioclase feldspar that rarely if ever forms crystals and if cr...
Category

Malagasy Antique 15th Century and Earlier Natural Specimens

Materials

Other

Egg Shaped Amethyst Geode with Calcite
Located in London, GB
A beautiful mostly complete egg shaped geode with a prominent calcite to the left, partially polished. The amethyst crystals with high peaks and of intense purple. The thick amethy...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Large Amethyst Formation with Calcite Towers
Located in London, GB
Two calcite “towers” grace the centre of this impressive piece, which also has large peaked amethyst crystals and quartz and goethite covered calcites. The exterior has been kept i...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Quartz, Agate, Amethyst

Large amethyst chapel with calcite and stalactites
Located in London, GB
Another large amethyst chapel, the corresponding half of the original geode, showing deep purple amethyst crystals punctuated with small stalacti...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst Cluster with White Quartz and Green Celadonite Crystals
Located in London, GB
A stunning rough amethyst cluster with white quartz and green celadonite on a metal stand. The amethyst cluster has an exquisite deep purple colour com...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Wonderful Calcite with Epitaxial Goethite
Located in London, GB
This stunning formation consists of a large pyramidal calcite on a bed of deep purple amethyst. The split calcite with unusual epitaxial goethite and a second generation of amethys...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst Geode Stalactites Cluster with Calcite from Uruguay ( 13"Tall, 25 lbs.)
Located in New York, NY
This specimen from San Eugenio, Artigas Dept., Uruguay is a large museum quality cluster of several stalactitic formations of scintillating gem amethyst crystals with 2 isolated gold...
Category

Indian Antique 15th Century and Earlier Natural Specimens

Materials

Amethyst, Crystal, Quartz, Rock Crystal

Azurite Mineral Crystal with Malachite from Anhui, China
Located in New York, NY
Azurite with Malachite from Liufengshan Mine, Guichi, Anhui Province, China. Lustrous translucent vibrant royal blue crystals of azurite partially lining a gossan matrix with botryo...
Category

Chinese Antique 15th Century and Earlier Natural Specimens

Materials

Other

Dynamic Formation with Thick Agatised Borders
Located in London, GB
A dynamic formation with a thick blue-brown agatised border. The crystal lined interior equally dynamic with shocks of electric amethyst contrasting with darker colours on a bed of large stalactites...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Exceptional Quality Amethyst in a Jaw like Formation
Located in London, GB
Amethyst of the deepest colour is shown here in a formation resembling an open mouth. The crystals are of high peaks with red tints toward the tips. the borders unpolished to revea...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Sphalerite with Pyrite from Casapalca District, Huarochiri Province, Peru
Located in New York, NY
From Casapalca District, Huarochiri Province, Peru. Large lustrous striated cubic yellow-metallic pyrite crystals with black-metallic sphalerite crystals. Weight: 15 lbs, Dimension...
Category

Peruvian Antique 15th Century and Earlier Natural Specimens

Materials

Crystal, Pyrite, Other

Lilac Half Geode with a Calcite Formation
Located in London, GB
A pleasing lilac amethyst formation of large crystals with a large honey coloured calcite at the centre and a smaller calcite to the side. Amethyst is predominantly light violet ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Deep Purple Amethyst with Calcite and Polished Agate
Located in London, GB
Stunning geode cluster of an intense deep purple colour amethyst crystals. A big calcite stand-out from the crystals, covered with a blanket of black hematite. This piece was lega...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

Pyrite Cluster from Huanuco Province, Peru
Located in New York, NY
A classic and very attractive specimen of Pyrite from Huanzala Mine, Huanuco Province, Peru. Complex pyritohedron cluster with striated crystal faces and a metallic mirror luster wit...
Category

Peruvian Antique 15th Century and Earlier Natural Specimens

Materials

Crystal, Pyrite, Other

Azurite Mineral Crystal on Malachite Calcite Matrix From , Namibia
Located in New York, NY
Azurite and Malachite from Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of lustrous dark-blue azurite crystals on malachite-duftite-calcite matrix. All of th...
Category

Namibian Antique 15th Century and Earlier Natural Specimens

Materials

Crystal, Rock Crystal

Exceptional Heart Shaped Formation with Icy Calcites
Located in London, GB
A stunning heart-shaped amethyst formation with a central rocket-shaped calcite covered with a blanket of amethystine quartz and black goethite. To the left an icy calcite covered ...
Category

Uruguayan Antique 15th Century and Earlier Natural Specimens

Materials

Agate, Amethyst, Quartz

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