Amethyst And Black Calcite
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Amethyst calcite and black epitaxial goethite - a rare stone formation
Located in London, GB
purple amethyst crystals, with a beautiful central calcite coated in black goethite and and white druzy
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 11.62 in W 13.78 in D 7.49 in
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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Calcite on Amethyst with Goethite
Located in New York, NY
This floral arrangement features waxy pale yellow calcite with a scattering of glimmering black
Category
2010s Uruguayan Natural Specimens
Materials
Amethyst, Crystal
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
Category
Antique 15th Century and Earlier 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
Category
Antique 15th Century and Earlier 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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 7.88 in W 5.12 in D 4.73 in
Tall Amethyst Cathedral Geode, with Lace Agate, Purple Amethyst and Calcite
Located in Ametista Do Sul, BR
geode that demands attention. Geometrical calcite grows harmoniously with the Galaxy Amethyst points
Category
2010s Brazilian Natural Specimens
Materials
Agate, Amethyst, Crystal, Rock Crystal
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H 36 in W 10 in D 9 in
Large Amethyst Formation with Calcite Towers
Located in London, GB
amethyst crystals and quartz and goethite covered calcites.
The exterior has been kept in its rough state
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Quartz, Agate, Amethyst
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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Amethyst Flower with Calcite Cluster with Deep Purple Amethyst
Located in Ametista Do Sul, BR
Amethyst points accompanied by intact white calcite. It is undoubtedly a fantastic specimen that will add
Category
2010s Brazilian Natural Specimens
Materials
Agate, Amethyst, Crystal, Rock Crystal
Impressive Amethyst Geode with Large Calcite
Located in London, GB
distinguished by a striking Calcite crystal, elegantly veiled in a fine drapery of lilac Amethyst. The calcite
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Amethyst, Quartz
AAA Amethyst Cluster with Large Dark Purple Amethyst and Calcite Inclusions
Located in Ametista Do Sul, BR
collection. This Amethyst features large, super saturated dark druzy as well as double-terminated calcite
Category
2010s Brazilian Natural Specimens
Materials
Agate, Amethyst, Crystal, Rock Crystal
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H 16 in W 8 in D 6 in
Natural Galaxy Amethyst Geode with Calcite, Agate and Sugar Druzy
Located in Ametista Do Sul, BR
featuring mesmerizing Galaxy Druzy. This geode brings dark purple Amethyst and calcite, making it a truly
Category
2010s Brazilian Natural Specimens
Materials
Amethyst, Crystal, Rock Crystal
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H 17 in W 9 in D 5.9 in
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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 22.05 in W 15.36 in D 7.49 in
Purple Amethyst & Calcite Mineral Specimen, Artigas, Uruguay
Located in Edison, NJ
like a sword (an extension of the calcite). The “blade” is coated in shimmering, black goethite
Category
Antique 15th Century and Earlier Brazilian Natural Specimens
Materials
Amethyst, Multi-gemstone, Quartz, Rock Crystal
High Quality Half Amethyst Geode with Calcite Formation
Located in London, GB
overlaid with black hematite and white quartz. Calcite formation on amethyst is relatively rare, owing to
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Very Large Polished Amethyst “Open Geode” with Calcite Formation and Agate
Located in London, GB
being rough basalt, and others showcasing combinations of the amethyst and calcite formations. The outer
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 55.12 in W 43.31 in D 35.44 in
Half Amethyst Geode with Unusual Calcite Formation Inside and Hematite
Located in London, GB
combinations of amethyst, agate, white quartz and calcite formations. The outer layer is the rough basalt
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 17.72 in W 29.53 in D 19.69 in
Rough Amethyst Calcite Formation Surrounded by Green Celadonite and White Quartz
Located in London, GB
amethyst and the rare calcite formation at the heart of the piece. The rough rear of the stone gives us an
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 13.78 in W 7.09 in D 9.85 in
Tall Banded Agate Geode Cathedral with Calcite and Sparkly Lavender Amethyst
Located in Ametista Do Sul, BR
demands attention. Geometrical calcite grows harmoniously with the Galaxy Amethyst points, which exhibit a
Category
2010s Brazilian Natural Specimens
Materials
Agate, Amethyst, Crystal, Rock Crystal
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H 26 in W 11 in D 7 in
High Quality Deep Purple Amethyst with Calcite Surrounded by Quartz and Hematite
Located in London, GB
A stunning deep purple amethyst piece with calcite formation. From the rough basalt on the outside
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 14.18 in W 8.67 in D 5.52 in
Deep Purple Amethyst Cluster with Calcite Surrounded by Agate
Located in London, GB
An interesting and stunning amethyst cluster with a striking mineral and colour mix.
In this
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 11.42 in W 7.09 in D 5.12 in
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
Category
Antique 15th Century and Earlier 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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Crystal, Amethyst, Other
Purple Half Geode Amethyst with Calcite Formations Shaped as Cathedral or Chapel
Located in London, GB
lower left interior. Calcite formation on amethyst are relatively rare, owing to different formation
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 13.78 in W 9.06 in D 5.91 in
Amethyst Geode Stalactites Cluster with Calcite from Uruguay ( 13"Tall, 25 lbs.)
Located in New York, NY
stalactitic formations of scintillating gem amethyst crystals with 2 isolated golden calcite crystals in sharp
Category
Antique 15th Century and Earlier Indian Natural Specimens
Materials
Amethyst, Crystal, Quartz, Rock Crystal
H 17 in W 17 in D 13 in
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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Amethyst Cluster Geode with Calcite From Brazil (24" Tall, 194 lbs.)
Located in New York, NY
A superb Brazilian Amethyst geode crystal cluster. This specimen is lined with large deep grape
Category
21st Century and Contemporary Brazilian Natural Specimens
Materials
Crystal, Quartz, Rock Crystal
Geode with Orange Brown Crystals and Frontal Calcite Rosette
Located in London, GB
frontal rosette of several small calcite crystals.
The borders polished.
This piece was legally and
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 9.06 in W 8.67 in D 4.93 in
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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Treasure Chest Borwn Druze, Polished Celadonite Border and Calcite Formation
Located in London, GB
layers and the interior with a lining of brown drize
over various stalactites with a frosty calcite to
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 10.24 in W 11.03 in D 4.73 in
Exceptional Heart Shaped Formation with Icy Calcites
Located in London, GB
blanket of amethystine quartz and black goethite.
To the left an icy calcite covered in deep amethyst
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Agatised Geode Slice with Rare Central Calcite Formation and White Quartz
Located in London, GB
white quartz crystals with a prominent central calcite. The calcite
itself is overlaid in amethystine
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 59.85 in W 13 in D 13 in
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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, 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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 14.97 in W 5.91 in D 4.73 in
Amethyst “Jewellery Box” Formation
Located in London, GB
sections, with a small calcite adorning the “lid”.
This piece was legally and ethically sourced directly
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Pair of Amethyst and Citrine Cut as Angel Butterfly Wings Sculpture
Located in Ametista Do Sul, BR
A finely aesthetic book-matched pair of Amethyst and Citrine geodes, these sculptured geode wings
Category
2010s Brazilian Natural Specimens
Materials
Amethyst, Crystal, Rock Crystal
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H 39 in W 26 in D 10 in
Large Deep Spherical Amethyst Geode
Located in London, GB
A wonderful and substantial spherical geode is shown here, with deep purple
amethyst crystals
Category
Antique 15th Century and Earlier 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
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Frosty Agatised Amethyst Cluster with Polished Exterior
Located in London, GB
interior of this specimen has a wonderful frosty appearance with
purple amethyst, creamy calcites and
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Pair of Tall Shiny Amethyst Cathedral Geodes
Located in Ametista Do Sul, BR
bring to you, this pair of Amethyst Cathedral Geodes bring many special and rare characteristics. The
Category
2010s Brazilian Natural Specimens
Materials
Amethyst, Crystal, Rock Crystal
Amethyst Geode with Several Mineral Crystal Formations Inside
Located in London, GB
wonders, that occurred through the ages. The special formations include calcites, red and black druze and
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Amethyst, Quartz, Agate
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H 9.06 in W 9.45 in D 3.94 in
Large Geode Slice with Very High Peaked Crystals
Located in London, GB
crystals allow us to appreciate the intense cloudy quality of the
finest amethyst. A small creamy calcite
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Element Mini Geode 18 Karat Gold and Oxidized Hoop Earrings
By Nina Wynn
Located in Denver, CO
Made with textured blackened sterling silver and go-with-everything black geodes, the Element Mini
Category
21st Century and Contemporary Vietnamese Contemporary Hoop Earrings
Materials
18k Gold, Silver
Adorn Geode Earrings
By Nina Wynn
Located in Denver, CO
Organic and asymmetrical, and detailed with black geodes for a bold, mysterious edge, the Adorn
Category
21st Century and Contemporary Vietnamese Contemporary Drop Earrings
Materials
Silver
Adorn Petite Geode Silver Ring
By Nina Wynn
Located in Denver, CO
Organic and asymmetrical, and detailed with a black geode for a bold, mysterious edge, the Adorn
Category
21st Century and Contemporary Vietnamese Contemporary Fashion Rings
Materials
Silver
Nina Nguyen Geode 18 Karat Gold Ring Bezel-Set
By Nina Wynn
Located in Denver, CO
With its black geode center, the Adorn Petite Gold Ring embraces the shape of a drop of water—an
Category
21st Century and Contemporary Vietnamese Contemporary Fashion Rings
Materials
18k Gold
Amethyst and Calcite "Boat"
Located in Ostend, BE
A beautiful specimen of amethyst and calcite reminiscent of an amethyst “boat” with calcite “sail
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Amethyst
Calcite and Amethyst Crystals
Located in Ostend, BE
A large hexagonal crystal of calcite covered with goethite included amethyst crystals on a
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Amethyst
Calcite, Quartz and Amethyst Crystals
Located in Ostend, BE
Beautiful bi-terminated calcite crystal with hematite included quartz, on a background of amethyst
Category
Antique 15th Century and Earlier Brazilian Natural Specimens
Materials
Amethyst
Studio Greytak 'Loop' Moving Sculpture with Yule Marble, Bronze & Black Amethyst
By Studio Greytak
Located in Missoula, MT
crystals, black amethyst. The cosmos is alive in this mineral, and as a whole, this piece truly represents
Category
21st Century and Contemporary American Modern Mobiles and Kinetic Sculpt...
Materials
Amethyst, Marble, Bronze
H 29.5 in W 22 in D 10 in
Cloud-like amethyst with calcite
Located in London, GB
A cloud-like amethyst presentation with central “floral” calcite coated in druzy quartz. The
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Exceptional Amethyst After Calcite Epimorph
Located in London, GB
amethyst crystals. to the right we see the rocket
shaped cast formed by a second generation of amethystine
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Quartz, Agate, Amethyst
Icy Calcite with Amethyst Overgrowth
Located in London, GB
This bowl shaped formation is dominated by its central icy calcite, the tip of
which is overgrown
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
"Angel” Amethyst Formation, Calcite, Agate, Quartz
Located in London, GB
. This extraordinary specimen has several large spear
shaped calcites, amethyst and goethite at the
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
Large Amethyst Cluster with Calcite Formation, Hematite and White Quartz
Located in London, GB
A breath-taking large amethyst cluster, with an incredible amethyst-overlaid calcite formation at
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 22.45 in W 18.51 in D 15.36 in
Exceptional “Angel” Amethyst Formation, Calcite, Agate, Quartz
Located in London, GB
. This extraordinary specimen has several large spear
shaped calcites, amethyst and goethite at the
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 23.63 in W 15.75 in D 10.63 in
Calcite on Amethyst Cluster from Uruguay (7" Tall, 5lbs.)
Located in New York, NY
From San Eugenio, Artigas Dept., Uruguay
Large 6'' scalenohedral transparent calcite scepter
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Crystal, Amethyst, Other
Half Amethyst Geode with Calcite Formation Overlaid by Hematite and White Quartz
Located in London, GB
combinations of amethyst, green celadonite, brown agate, white quartz, hematite and calcite formations.
The
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Amethyst, Quartz, Agate
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H 9.06 in W 17.72 in D 11.03 in
Geode Split in Two Amethyst Surrounded by White Quartz and a Calcite Formation
Located in London, GB
creates black and sparkling glimpses atop the cream calcites. This piece is particularly special as it’s
Category
Antique 15th Century and Earlier Uruguayan Natural Specimens
Materials
Agate, Amethyst, Quartz
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H 10.24 in W 9.06 in D 5.91 in
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Amethyst And Black Calcite For Sale on 1stDibs
Find many varieties of an authentic amethyst and black calcite available at 1stDibs. A amethyst and black calcite — often made from amethyst, stone and quartz — can elevate any home. Find 52 options for an antique or vintage amethyst and black calcite now, or shop our selection of 2 modern versions for a more contemporary example of this long-cherished piece. You’ve searched high and low for the perfect amethyst and black calcite — we have versions that date back to the 18th Century alongside those produced as recently as the 21st Century are available. Each amethyst and black calcite bearing modern hallmarks is very popular. Many designers have produced at least one well-made amethyst and black calcite over the years, but those crafted by Studio Greytak are often thought to be among the most beautiful.
How Much is a Amethyst And Black Calcite?
Prices for a amethyst and black calcite start at $220 and top out at $75,000 with the average selling for $6,000.
Finding the Right natural-specimens for You
Natural specimens turn things found in nature, such as rocks, crystals and timber, into art. Sometimes these specimens are hand-carved into sculptures. Other times, antique, new and vintage natural specimens themselves are best displayed in their most untouched state. These pieces range from Victorian-era objects to modern-day designs and include everything from sculptures made from animal horns to works in wood, either as sculptures or merely imposing and provocative chunks of driftwood.
Natural specimens serve as compelling decor in any collection or home. Just as any curious decorative object, such as an ancient scientific instrument or taxidermy mount, will draw attention to your carefully curated home library or mantel, natural specimens can spark interesting discussions about life and art. Whether it’s a piece of ancient pottery formed from natural clay, plants sculpted from metal, sculptures of animals or antique stone, they grant a window into all of nature’s wonders.
Natural specimen sculptures can complement many aesthetics. A rare geode makes a stunning centerpiece in a study or living room. Crystals and rock crystal spheres carved in the 1970s add a sense of etherealness and quiet beauty to any space.
Whatever your taste, the selection of antique, new and vintage natural specimens on 1stDibs includes precisely the right piece for your space.
Questions About Amethyst And Black Calcite
- 1stDibs ExpertApril 5, 2022One way to tell if your glass is black amethyst is to hold it up to the light. Black amethyst will appear black until light hits it, and then it will appear as dark purple. You’ll find a large collection of amethysts from many of the world’s top sellers on 1stDibs.
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