Quartz Natural Specimens
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Item type: Antique and Vintage
Material: Quartz
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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
17th Century Italian Gold Leaf Fragment with Calcite Crystals in Matrix
By Interi
Located in Dublin, Dalkey
17th century Italian gold leaf fragment with calcite crystals in a rock matrix with gold leaf crystal quartz and mounted on a rock coral base.
This fragment was originally part of a...
Category
17th Century Italian Baroque Antique Quartz Natural Specimens
Materials
Rock Crystal, Quartz, Gold Leaf
Pyrite on Quartz from Daye Mine, Hubei Province, China
Located in New York, NY
From Daye Mine, Hubei Province, China.
Large metallic mirror luster intergrown cubes of golden pyrite on quartz and pyrite enriched matrix lined with tabular translucent quartz cr...
Category
15th Century and Earlier Chinese Antique Quartz Natural Specimens
Materials
Quartz, Pyrite, Other
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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Spodumene Mineral From Nuristan, Afghanistan
Located in New York, NY
Spodumene from Nuristan Province, Afghanistan.
Double terminated crystal of translucent to transparent, colorless spodumene with isolated cluster of albite, smoky quartz and black...
Category
15th Century and Earlier Afghan Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Gem Green Apophyllite Mineral with Stilbite From Maharashtra, India (5lbs)
Located in New York, NY
Gem Green Apophyllite with Stilbite from Jalgaon, Aurangabad District, Maharashtra, India.
This specimen displays large, perfectly terminated white gemmy Apophyllite crystals whic...
Category
15th Century and Earlier Indian Antique Quartz Natural Specimens
Materials
Quartz, Rock Crystal
Purple Fluorite with Quartz From Jiangxi, China
Located in New York, NY
From De'an mine, Wushan, De'an Co., Jiujiang Prefecture, Jiangxi Province, China
Large cluster of gem transparent deep purple dodecahedron fluorite crystals etched from Quartz mat...
Category
15th Century and Earlier Chinese Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Orange Tangerine Quartz Crystal Cluster From Mongolia (27.2 lbs)
Located in New York, NY
A large cluster of rare orange tangerine quartz crystals. These rare quartz clusters are only found in this region of the world. A hemotite oxidate wi...
Category
15th Century and Earlier Mongolian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Cavansite on Quartz From Wagholi Quarry, Maharashtra, India
Located in New York, NY
From Wagholi Quarry, Maharashtra, India
Vibrant royal blue cavansite crystals in spherical aggregates on quartz microcrystal-coated matrix with small isolated rhombic calcite crys...
Category
15th Century and Earlier Indian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Natural Quartz Point on White Feldspar Crystal From Himalaya Mountains, India
Located in New York, NY
Huge, museum-quality, Himalayan quartz generator crystal, sitting on a large, white Feldspar crystal, both perfectly terminated with top luster. This pi...
Category
15th Century and Earlier Indian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Golden Calcite with Apophyllite From Nasik District, Maharashtra, India
Located in New York, NY
From Nasik District, Maharashtra, India
Large translucent double penetrating twinned crystals of calcite on translucent to transparent apophyllite crystal cluster matrix with pink s...
Category
15th Century and Earlier Indian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, 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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Conichalcite with Quartz from Namibia
Located in New York, NY
From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia
Scintillating formation of spherical aggregates of quartz with translucent green conichalcite microcrystals.
1.2 grams,...
Category
15th Century and Earlier Namibian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Golden Calcite Mineral with Apophyllite Geode From Nasik District, India
Located in New York, NY
Cavansite on Stilbite with Stilbite from Wagholi Quarry, Maharashtra, India.
Lustrous spherical aggregates of vibrant royal blue cavansite crystals lined up across a bed of quartz m...
Category
15th Century and Earlier Indian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Other
Fluorite on Quartz var. Amethyst from Tekhdi, Madhya Pradesh, India
Located in New York, NY
Fluorite (rare botryoidal form) on Quartz var. Amethyst from Tekhdi, Madhya Pradesh, India.
Large cluster of translucent yellow-brown fluorite botryoidal crystals. The fluorite inte...
Category
15th Century and Earlier Indian Antique Quartz Natural Specimens
Materials
Quartz, Other
Oval Shaped Deep Purple Amethyst Geode Section
Located in London, GB
This small oval shaped formation has particularly deep purple, large amethyst crystals separated by a streak of white quartz, exposed from a tangentially cut and polished stalactite....
Category
15th Century and Earlier Uruguayan Antique Quartz 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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Double Windowed Amethyst Geode with Agatised Borders and Rare Calcite Formation
Located in London, GB
The central element of this geode has been preserved with two windows
on each side, revealing gorgeous calcite formations sat on a blanket of
differentially tinted amethystine quar...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Blue Agate Pyramidal Cave Formation with Druze
Located in London, GB
A beautiful pyramidal formation with thick border of blue banded agate.
The central cavity resembling a cave with a floor of druzy quartz and calcite
crystals. Nascent stalactites ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Quartz, Agate, Amethyst
Geode Heart with Rare Formations and Double Colour Crystals Amethyst and Quartz
Located in London, GB
From the “heart” of a large geode, this specimen shows various crystal
formations of note. The multi-windowed piece shows amethyst in typical
peaked form as well as stellate white quartz formations...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
White Quartz Cluster with Honey Coloured Calcites
Located in London, GB
A substantial formation with a thick lining of large white quartz crystals
that contrast beautifully with the two honey coloured calcites ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Amethyst, Quartz, Agate
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
15th Century and Earlier Uruguayan Antique Quartz 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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Bellowing Smoke Quartz Cloud Formation
Located in London, GB
A beautiful formation of of several stalactites covered in a thick border of
white quartz. The thick quartz bordered itself covered in transparent and
brown druze in places. The wh...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Complex Natural Geode Slice with Amethyst and Quartz
Located in London, GB
This large and thick slice preserves a complex arrangement of two interlocking
geodes, one with a citrine-like orange quartz and another with
deep purple amethyst. The exterior gre...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Agatised Multi-Windowed Geode
Located in London, GB
This heavily agatiised medium sized geode contains 6 “windows” from
which the beautiful amethyst interior can be appreciated. A spectacular
display piece.
This piece was legally...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
17th Century 'Florence Fragment' with Fossil Agate Coral, Crystals & Chalcedony
By Interi
Located in Dublin, Dalkey
17th Century Italian church vase decorated with fossil agate coral, red phantom quartz crystals, and chalcedony rosettes on polished agate base.
This fragment is from a church in Florence. It was found and saved from the historic flooding of the Arno River in 1966.
Fossil agate coral is mounted on top of the artifact. Fossil agate coral is Florida's state stone and is known for its unique formation that can take place over 20 million years. It's a natural gemstone that is created when prehistoric coral is gradually replaced with agate. It is adorned with coordinating red phantom crystals and chalcedony rosettes that resemble the color and texture of the piece.
The piece has been naturally distressed from the flood. It has been preserved and transformed by Jean O'Reilly Barlow, the creative director of Interi. The date of manufacture reflects when she created the piece and the period shows that the Italian fragment is originally 17th century.
The story and history of this piece and Interi's collection of Florence fragments...
Category
17th Century Italian Rococo Antique Quartz Natural Specimens
Materials
Quartz, Agate, Rock Crystal, Coral
Lilac Amethyst Formation with Central Rosette
Located in London, GB
A large bowl shaped piece formed of small lilac amethyst crystals with a
stunning central honey coloured calcite formation resembling a rosette.
At the base of the calcite pink...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Unusual Organic Green-Blue Quartz Cluster
Located in London, GB
Multiple stalactites seemingly grow from a grassy meadow of green quartz
on this impressive piece. A wonderful sculptural specimen with a rare organic
quality.
This piece was le...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Blurry Purple on Rhomboidal Quartz Amethyst
Located in London, GB
A beautiful blur of purple runs through this medley of rhomboidal quartz
crystals. All preserved on a thin celatonite shell, left in its rough condition.
This piece was legally a...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Large Deep Spherical Amethyst Geode
Located in London, GB
A wonderful and substantial spherical geode is shown here, with deep purple
amethyst crystals enveloping a central calcite. A quintessential geode and a
striking display piece.
...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Triangular Geode Section with Perched Calcite
Located in London, GB
A beautiful triangular geode section in lilac amethyst with a gold coloured
calcite perched on a bed of red druzy quartz.
This piece was legally and ethically sourced directly in...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Exceptional “Excalibur” Amethyst Formation, Calcite, Agate, Quartz
Located in London, GB
With its extremely unusual central amethyst epimorph after calcite, this natural
wonder evokes images of the legendary sword, Excalibur, magically fixed in
the stone. Elsewhere we ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Ametrine and Finger like Calcites
Located in London, GB
A spectacular amethyst cluster with two sets of unusual finger-like calcite
crystals on a bed of druzy quartz. The formation is a pleasing dark purple
colour with large peaks and i...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Treasure Chest Borwn Druze, Polished Celadonite Border and Calcite Formation
Located in London, GB
A wonderful formation with abundant agatized exterior polished to reveal
the different mineral layers and the interior with a lining of brown drize
over various stalactites with a ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Rare Tabletop Amethyst Formation with Calcites Goethite & Quartz
Located in London, GB
A very rare and exquisite table-top amethyst formation. The long formation preserves prominent golden calcites crystal on a bed of deep purple amethyst and is particularly sculptural...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Natural Specimen a Pair of Druzes with Crystals, Italy, 1880
Located in Milan, IT
A natural mineral specimen for Wunderkammer. A pair of Apophyllite and white quartz druzes, mounted over carved wooden base, vase shape with l...
Category
1870s Italian Antique Quartz Natural Specimens
Materials
Crystal, Quartz, Rock Crystal
Deep Purple Amethyst with Goethite Inclusions Within
Located in London, GB
An unusual piece of high quality deep purple amethyst with large peaked crystals. Inside the amethyst multiple goethite crystals, resembling heart...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Small Formation of Clear Quartz on Thick Agate
Located in London, GB
Several small stalactites adorn this piece, covered in light orange druzy quartz.
This piece was legally and ethically sourced directly in the prestigious mines of Uruguay, South ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Purple Amethyst Natural Specimen
Located in New York, NY
A beautiful and substantial purple amethyst natural specimen piece. A beautiful decorative object with a rich purple hue. Dimensions: 9" D x 12" W.
Category
20th Century Organic Modern Quartz Natural Specimens
Materials
Amethyst, Crystal, Quartz
Amethyst Cluster with Calcite Crystals
Located in London, GB
A stunning rough amethyst cluster with calcite crystals.
This piece has an exquisite purple color and a calcite formation on the top. To further add ...
Category
15th Century and Earlier Uruguayan Antique Quartz 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
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Coral like Round Geode with Polished Borders
Located in London, GB
Beautiful green-grey coral-like stalactites emerge from the interior lining of this
round geode. The borders polished to reveal the celdonite shell with the exterior
basalt still v...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Quartz
Small Orange Tinted Druzy Quartz Formation
Located in London, GB
Several small stalactites adorn this piece, covered in light orange druzy quartz.
This piece was legally and ethically sourced directly in the prestigi...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Beautiful Intense Brown Druze Amethyst Cluster with Green Jasper
Located in London, GB
A stunning intense brown amethyst druze formation with stalactites.
The mineral sculpture is embellished by multiple stalactite formations, and gives the sensation of movement due ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Natural Rock Crystal Quartz Sculpture
Located in New York, NY
A natural rock crystal cluster with polish brass stand.
Measures: I 12” /L x 8” /D x 4” /H without stand.
Category
15th Century and Earlier Antique Quartz Natural Specimens
Materials
Quartz
Black Hematite with a Blanket of White Quartz
Located in London, GB
A stunning an unusual formation of white quartz on top of a black hematite.
This beautiful and delicate piece presents a rough piece with a stalactite of black hematite covered w...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Amethystine Black Galaxy Landscape Formation
Located in London, GB
An exceptional formation resembling an other-worldly landscape. This spherical
geode has been exposed to reveal a gorgeous amethystine quartz interior, the
tinted stalactites resem...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Agatised Geode Slice with Rare Central Calcite Formation and White Quartz
Located in London, GB
Bordered by a thick, blueish agate layer, this wonderful slice preserves an interior
of large white quartz crystals with a prominent centr...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
White Quartz Geode Slice with Amethyst Formations in the Centre on Metal Stand
Located in London, GB
Stunning white quartz, amethyst and agate slice. This piece is a beautiful natural wonder. A thick band of white quartz with radiating crystal structure holds a heart of lilac amethy...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Blue Grey Onyx Agate Quartz Bowl
Located in New York, NY
An onyx agate bowl in the organic modern style, with a raw exterior and polished smooth interior, in a blue-grey hue.
Dimensions: 3" Height x 6" Diameter.
Category
20th Century Organic Modern Quartz Natural Specimens
Materials
Quartz, Onyx, Agate
Amazing Geode with Stalactites and Stalagmites with Amethyst and Grey Druze
Located in London, GB
This extraordinary piece is a stunning geode displayed stylishly on a decorative a wooden stand. The interior of the geode comprising a dark grey amethys...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Amethyst, Quartz, Agate
Pear Shaped Amethystine Geode Section with Thick Border
Located in London, GB
This beautiful half geode has a wonderful blue-brown banded agate border
with a thick base of white quartz differentiating to deep amethyst at the tips.
A small section of orange ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Large Geode Slice with Very High Peaked Crystals
Located in London, GB
A striking geode slice with very high peaked deep purple amethyst crystals. The
thick, prominent crystals allow us to appreciate the intense cloudy qualit...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Amethyst Cluster and White Quartz
Located in London, GB
A pleasing crescentic section of quartz with agate areas, surrounding a beautiful vibrant streak of deep purple amethyst.
This crescentic medium sized section has a wonderful thick white quartz...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
Amethyst Section with Cut Stalactite Eye and Calcite
Located in London, GB
A beautiful oval shaped amethyst section with deep purple amethyst and two
cut amethyst eyes near the centre. A small calcite to the right completes the
composition.
This piece ...
Category
15th Century and Earlier Uruguayan Antique Quartz Natural Specimens
Materials
Agate, Amethyst, Quartz
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