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Multi Generational Calcite and Quartz Formation

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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

Antique 15th Century and Earlier Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Rare Tabletop Amethyst Formation with Calcite Goethite & Quartz
Located in London, GB
A very rare and exquisite table-top amethyst formation. The long fromation preserves a prominent golden calcite crystal on a bed of deep purple amethyst and is particularly sculptura...
Category

Antique 15th Century and Earlier 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

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
Bordered by a thick, blueish agate layer, this wonderful slice preserves an interior of large white quartz crystals with a prominent centr...
Category

Antique 15th Century and Earlier Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

Rough Amethyst Calcite Formation Surrounded by Green Celadonite and White Quartz
Located in London, GB
In this piece, the rough amethyst's rich purple colouration is brilliantly pierced by the matt cream calcite formation that is bordered by a green celad...
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 stunning piece’s shape resembles a “Cascade” or “waterfa...
Category

Antique 15th Century and Earlier Uruguayan Natural Specimens

Materials

Agate, Amethyst, Quartz

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Small Amethyst Geode with Rare Quartz after Calcite and Flower Formations
Located in Ametista Do Sul, BR
Sculptural and full of special features, this small yet gorgeous geode brings rarity at every point. Intact formations create an impressive landscape, resembling a natural cave or aquascape, with minerals that develop into a beautifully aesthetic composition. This rare combination makes it a standout piece for crystal aficionados, collectors, and décor artists seeking something truly extraordinary. The whole geode commands attention, and the first thing we notice is the calcite. It formed in different ways, with some perfectly crystallized formations adding a delicate touch to the specimen. The main calcite in this piece is a crystal after calcite, which could be a specimen in itself. Looking closely at it, on the back part of the geode, we find beautiful small amethyst rosettes...
Category

2010s Brazilian Natural Specimens

Materials

Crystal, Quartz, Rock Crystal

Scepter Quartz Formation - 145g
Located in New York, NY
This extraordinary Scepter Quartz Formation is a testament to the natural artistry of geological processes. Hailing from Colombia, this piece showcases a striking scepter formation w...
Category

2010s Colombian Natural Specimens

Materials

Quartz

Purple Amethyst Geode with Rare Sparkly Flower-Like Druzy Formation and Calcite
Located in Ametista Do Sul, BR
An Amethyst Geode that brings rarely seen dual-zoned purple Amethyst druzy, gorgeous aesthetics, and rare calcite inclusions, this is a piece of natural artistry. This geode is a cen...
Category

2010s Brazilian Natural Specimens

Materials

Agate, Amethyst, Crystal, Rock Crystal

Deep Purple Amethyst Geode with Rare Flower-Like Druzy Formation and Calcite
Located in Ametista Do Sul, BR
An Amethyst Geode that brings rarely seen dual-zoned purple Amethyst druzy, gorgeous aesthetics, and rare double-terminated calcite inclusions, this is a piece of natural artistry. T...
Category

2010s Brazilian Natural Specimens

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Agate, Amethyst, Crystal, Rock Crystal

Calcite with Epidote, Ferroaxinite, and Quartz From Pakistan
Located in New York, NY
This singular formation from Pakistan features translucent calcite accented by blades of deep green epidote and purple ferroaxinite with quartz crystals on the bottom of the specimen...
Category

2010s Pakistani Natural Specimens

Materials

Crystal, Quartz

Pair of Purple Amethyst Geodes with Rare Flower-Like Druzy Formation and Calcite
Located in Ametista Do Sul, BR
A pair of Amethyst Geodes, each bringing the rarely seen dual-zoned purple Amethyst druzy, gorgeous aesthetics, and rare calcite inclusions, are pieces of natural artistry. These geo...
Category

2010s Brazilian Natural Specimens

Materials

Agate, Amethyst, Crystal, Rock Crystal

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