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Uruguayan Natural Specimens

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Place of Origin: Uruguayan
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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Calcite on Amethyst cluster From Uruguay
Located in New York, NY
From San Eugenio, Artigas Dept., Uruguay Large 6'' sharp scalenohedral crystal of Calcite centered on matrix of grape purple translucent to transparent top-quality Uruguayan Amethyst...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Amethyst, Crystal, Other

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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Quartz, Agate, Amethyst

Museum Quality Very Large Amethyst Centerpiece, a Mineral Masterpiece
Located in London, GB
A very large, one of a kind epimorph amethyst. This piece is a visual spectacle with the natural sculptural formations of amethyst in a different ...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst Geode Stalactite Crystal Cluster from Uruguay (7" Tall, 13 lbs.)
Located in New York, NY
This specimen is a world-class, museum-quality stalactite form of the finest gem-quality Amethyst - from the famous regions of Artigas, Uruguay. This specimen is showing huge, stalac...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Amethyst, Quartz, Rock Crystal, Other

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

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst Cluster Geode Calcite Crystal from Uruguay (11" Tall, 15 lbs.)
Located in New York, NY
Natural Calcite on Amethyst cluster from San Eugenio, Artigas Dept., Uruguay. Unusual 7'' elongated rhombic calcite crystal with modified terminations on gem amethyst crystal matrix...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Crystal, Amethyst, 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

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Amethyst, Quartz, Agate

Calcite on Amethyst Cluster From San Eugenio, Artigas Dept., Uruguay
Located in New York, NY
From San Eugenio, Artigas Dept., Uruguay Measures: Large 7'' x 3" scalenohedral crystal of calcite on amethyst matrix accented by isolated clust...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Crystal, Other

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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Gem Grade Amethyst Geode Sculpture, Uruguay
Located in London, GB
This Gem grade, Amethyst Geode crystal Sculpture, resembles in shape and silhouette that of a shrouded woman holding a swaddled baby. And would work well in a Boho Chic Styled Interior. The Geode originates from Uruguay where they are mined from the same rock formation as their relatives just to the north across the border into southern Brazil, they are igneous (volcanic) in origin. Differentiated from its Brazilian relatives by it’s typically smaller crystal size and darker, deeper colour the Uruguayan amethyst...
Category

15th Century and Earlier Organic Modern Antique Uruguayan Natural Specimens

Materials

Amethyst

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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Monumental dynamic split geode
Located in London, GB
A very large split geode, the interior graced with the finest quality deep purple Uruguayan amethyst. The amethyst-lined stalactite walls of the ge...
Category

15th Century and Earlier Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst Cluster with Stalactite Formations and Calcite Crystals
Located in London, GB
An exquisite and rare amethyst cluster with stalactite formations and calcite crystals. The stunning piece’s shape resembles a “Cascade” or “waterfa...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Small Orange, Tan Druzy Quartz Stalactite Formation Resembling a Scholars Rock
Located in London, GB
A small piece preserving a beautiful stalactite covered in orange-tan druzy quartz. The lower edges polished to reveal a relatively thick celadonite shell. Measures: Dimensions of...
Category

15th Century and Earlier Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Beautifully Shaped Amethyst Cluster with Agate, Celadonite and White Quartz
Located in London, GB
An exquisite deep purple amethyst cluster with stalactite formation. This natural piece is surrounded and adorned with a beautiful polished frame, where it is possible to see the min...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst “Jewellery Box” Formation
Located in London, GB
In this alternative display, the stunning large geode with its agatised borders is shown with the top presented vertically. The deep purple, high peaked crystals are visible on the...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Frosty Agatised Amethyst Cluster with Polished Exterior
Located in London, GB
A beautiful amethyst cluster with polished borders revealing multiple agatised layers. The interior of this specimen has a wonderful frosty appearance with purple amethyst, creamy ...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Other Worldly Landscape with Grey-Lilac Druze
Located in London, GB
A stunning half geode containing many tall stalactites resembling an other worldly landscape. The stalactites covered in grey-lilac druzy quartz. the borders polished. This piec...
Category

15th Century and Earlier Antique Uruguayan 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Egg Shaped Polished Organic Geode Quartz/Druze Section
Located in London, GB
This gorgeous geode section is egg-shaped in form, with a beautiful field of grass like green druzy stalactites and several larger cut stalactite “ey...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Amethyst calcite and black epitaxial goethite - a rare stone formation
Located in London, GB
A stunning amethyst formation formed of a three quarter geode with cut window, revealing deep purple amethyst crystals, with a beautiful central calcite coated in black goethite and ...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Large Peaked Pink Quartz Amethyst Formation
Located in London, GB
A stunning piece of pinkish-lilac amethyst. Its very large peaks are accentuated by the beautiful graduated colour, intensifying towards the tips of each crystal. Various crystals ...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Thick Deep Purple Slice with Snowballs
Located in London, GB
This striking circular slice preserves the end of a large geode. Lined with deep purple, high peaked amethyst crystals, this wonderful piece is punctuated with small calcites overl...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, 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 Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Bellowing Druzy Covered Smoke Cloud, a Mostly Complete Steel Grey Crystal Geode
Located in London, GB
A wonderful largely complete geode lined with steel coloured druzy quartz and a large central calcite covered in white druze, resembling a bellowing smoke cloud. To the side the flam...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Pink Druzy Amethyst Sculptural Formation with Central Calcite Crystal
Located in London, GB
Colours fuse together in this uniquely beautiful piece, presenting the viewer with mixed of pink druze, lilac amethyst and white quartz. A dynamic miner...
Category

15th Century and Earlier Antique Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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