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Vendor:UnderGround Treasures
Dolomite
A colorful plate of pink-hued Dolomite crystals. In excellent condition. Location: Bou Azer, Morocco Size: 11.5 x 2.5 x 7 cm- $35.00
- $35.00
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Vendor:UnderGround Treasures
Aurichalcite
An exceptionally large piece hosting numerous radial clusters of blue-green Aurichalcite crystals throughout the red-brown matrix. There are clusters of Aurichalcite all over the matrix - you’ll enjoy exploring every nook and cranny! The color and contrast is striking - a unique and large...- $340.00
- $340.00
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Vendor:UnderGround Treasures
Chrysocolla (rough gem quality)
A large piece of rough (natural, no polishing) Chrysocolla with some matrix. This is how Chrysocolla is found from the mine before it is cut, shaped and polished. This particular piece exhibits a very rich turquoise-blue all the way through. This piece would look...- $125.00
- $125.00
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Vendor:UnderGround Treasures
Astrophyllite
This piece hosts numerous sprays of radiating, bronze-colored Astrophyllite crystals with metallic-like luster on matrix. Great symmetry and luster. Unique and aesthetic piece in excellent condition. Location: Eveslogchorr Mt., Khibiny Massif, Kola Peninsula, Russia Size: 3.5 x 2 x 3.3 cm- $40.00
- $40.00
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Vendor:UnderGround Treasures
Astrophyllite
This piece hosts numerous sprays of radiating, bronze-colored Astrophyllite crystals with metallic-like luster on matrix. Great symmetry and luster. Unique and aesthetic piece in excellent condition. Location: Eveslogchorr Mt., Khibiny Massif, Kola Peninsula, Russia Size: 5.5 x 1.7 x 5 cm- $60.00
- $60.00
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Vendor:UnderGround Treasures
Astrophyllite
This large piece hosts numerous sprays of radiating, bronze-colored Astrophyllite crystals with metallic-like luster on matrix. Great symmetry and luster. Unique and aesthetic piece in excellent condition. Location: Eveslogchorr Mt., Khibiny Massif, Kola Peninsula, Russia Size: 9.5 x 3.7 x 8.5 cm- $165.00
- $165.00
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Vendor:UnderGround Treasures
Cassiterite
Black, lustrous, sharp Cassiterite crystals on colorless to white Quartz matrix from the famous Viloco Mine in Bolivia. The Cassiterite crystals are large, very sharp and mirror-like and contrast amazingly with the white Quartz matrix. A very aesthetic piece in excellent condition. Location: Viloco Mine,...- $195.00
- $195.00
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Vendor:UnderGround Treasures
Cassiterite
This piece features a dense coating of black, lustrous, sharp Cassiterite crystals on a rust-colored matrix from the famous Viloco Mine in Bolivia. The Cassiterite crystals are large, very sharp and mirror-like and contrast amazingly with the matrix. A very aesthetic piece with great...- $45.00
- $45.00
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Vendor:UnderGround Treasures
Cassiterite
This cabinet sized piece features a dense coating of black, lustrous, sharp Cassiterite crystals on a rust-colored matrix from the famous Viloco Mine in Bolivia. The Cassiterite crystals are large, very sharp and mirror-like and contrast amazingly with the matrix. A very aesthetic piece...- $95.00
- $95.00
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Vendor:UnderGround Treasures
Astrophyllite
A large piece with dense coverage of golden-brown Astrophyllite blades on a contrasting matrix of white Quartzite. The size, contrast and metallic luster make for a unique and aesthetic specimen. In excellent condition. Location: Eveslogchorr Mt., Khibiny Massif, Murmansk Oblast, Russia Size: 6 x 3 x...- $90.00
- $90.00
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Vendor:UnderGround Treasures
Astrophyllite
A large piece with dense coverage of golden-brown Astrophyllite blades on a contrasting matrix of white Quartzite. The size, contrast and metallic luster make for a unique and aesthetic specimen. In excellent condition. Location: Eveslogchorr Mt., Khibiny Massif, Murmansk Oblast, Russia Size: 8 x 4 x...- $110.00
- $110.00
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Vendor:UnderGround Treasures
Astrophyllite
A large piece with dense coverage of golden-brown Astrophyllite blades on a contrasting matrix of white Quartzite. The size, contrast and metallic luster make for a unique and aesthetic specimen. In excellent condition. Location: Eveslogchorr Mt., Khibiny Massif, Murmansk Oblast, Russia Size: 10 x 4 x...- $120.00
- $120.00
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Vendor:UnderGround Treasures
Blue Aragonite
An extremely aesthetic specimen of botryoidal sky-blue Aragonite with needle-like (acicular) crystals throughout on dark-brown matrix. The unique sky-blue color is a result of copper inclusions, creating a unique, natural (no artificial dyes) and beautiful color. In excellent condition. Location: Yunan Province, China Size: 9.5 x...- $220.00
- $220.00
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Vendor:UnderGround Treasures
Blue Aragonite
A large and extremely aesthetic specimen of sky-blue Aragonite featuring numerous diverging sprays of needle-like (acicular) crystals. The unique sky-blue color is a result of copper inclusions, creating a unique, natural and beautiful color. In excellent condition. Location: Yunan Province, China Size: 13.5 x 7.8 x...- $290.00
- $290.00
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Vendor:UnderGround Treasures
Brochantite
A striking piece featuring deep-green, highly translucent, acicular Brochantite crystals on a dark-brown matrix from Tsumeb. At first glance it can appear to be Malachite, but the deep-green color and reflections from countless crystal faces requires a closer look. With a loupe it is...- $180.00
- $180.00
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Vendor:UnderGround Treasures
Cerrusite with Duftite
An exceptional piece featuring a large transparent, colorless glassy complex wide crystal of Cerussite hosting random clusters of olive-green Duftite microcrystals. The Cerussite crystal faces are pristine and sharp, and the contrast with the Diftite crystals is unique and striking. A great piece in...- $325.00
- $325.00
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Vendor:UnderGround Treasures
Chrysocolla (polished)
A large rough of Chrysocolla with a flat, polished face. The color, pattern and depth is exceptional. If one had the means and desire, one or two more slabs could be made from this one piece. A beautiful, aesthetic piece. Location: Omaue Mine, Kunene Region,...- $175.00
- $175.00
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Vendor:UnderGround Treasures
Cerrusite
A striking specimen of twinned crystals of glassy, striated Cerussite on a black/brown matrix. In excellent condition. Location: Tsumeb, Namibia Size: 2.5 x 2.7 x 4 cm- $475.00
- $475.00
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Vendor:UnderGround Treasures
Dioptase
A large piece of matrix with a shallow vug hosting a primary layer of white/clear Calcite rhombohedrons with a secondary layer of lustrous, emerald-green Dioptase crystals. A very aesthetic combination and great contrast not only between the white and green colors, but between the...- $210.00
- $210.00
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Vendor:UnderGround Treasures
Dioptase with Calcite
A very aesthetic combination piece from Tsumeb featuring emerald-green Dioptase crystals with colorless, lustrous transparent Calcite rhombohedrons, all on a contrasting brown matrix. Exceptional contrast, color and luster. In excellent condition. Location: Tsumeb, Namibia Size: 6.5 x 5 x 4 cm- $175.00
- $175.00
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Vendor:UnderGround Treasures
Atacamite with Quartz
A lustrous and colorful piece featuring numerous long, lustrous, dark-green crystals of Atacamite on a matrix of light-green druzy Quartz. A unique piece in excellent condition. Location: Lily Mine, Pisco Umay, Ica Department, Peru Size: 11.5 x 3 x 6 cm- $260.00
- $260.00
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Vendor:UnderGround Treasures
Aragonite, Blue
An extremely aesthetic specimen of botryoidal sky-blue Aragonite with needle-like (acicular) crystals throughout on dark-brown matrix. The unique sky-blue color is a result of copper inclusions, creating a unique, natural (no artificial dyes) and beautiful color. In excellent condition. Location: Wenshan, Yunnan Province, China Size: 10.5...- $155.00
- $155.00
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Vendor:UnderGround Treasures
Chrysocolla
An exceptional specimen of turquoise-blue, botryoidal Chrysocolla with Malachite. The Chrysocolla is perfectly smooth and where the specimen was extracted you can see the banding in the Malachite. The color is completely natural and unaltered. It’s amazing and in great condition! Location: L'Etoile du Congo...- $225.00
- $225.00
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Vendor:UnderGround Treasures
Crocoite
The vast majority of the Crocoites I see from Tasmania are on a dark brown Limonite Gossan matrix. So when I saw this piece, I was particularly drawn to the contrast of of the white (grey-white) Gibbsite with the needle-like, red-orange Crocoite crystals, all...- $425.00
- $425.00
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Vendor:UnderGround Treasures
Chrysocolla with Brochantite
An aesthetic piece featuring two spherical formations of aqua-blue Chrysocolla with a partial encrusting of Chrysocolla in a shallow cavity along the front of the matrix. In addition there are some lustrous, dark-green acicular (needle-like) Brochantite crystals that along with the Chrysocolla banding throughout the...- $165.00
- $165.00
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Vendor:UnderGround Treasures
Dioptase
A cabinet-sized specimen of matrix hosting a dense cluster of lustrous, translucent, rich-green Dioptase crystals. Truly a beautiful mineral, and this specimen hosts some of the most lustrous and richly colored Dioptase to be found! In excellent condition. Location: Altyn-Tyube Mine, Karagandy Province, Kazakhstan Size: 8...- $340.00
- $340.00
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Vendor:UnderGround Treasures
Dioptase
A cabinet-sized specimen of matrix hosting a perfectly centered dense cluster of lustrous, translucent, rich-green Dioptase crystals. Truly a beautiful mineral, and this specimen hosts some of the most lustrous and richly colored Dioptase to be found! Location: Altyn-Tyube Mine, Karagandy Province, Kazakhstan Size: 7.5 x...- $425.00
- $425.00
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Vendor:UnderGround Treasures
Corundum var. Ruby
A perfectly centered crystal of pink-red Ruby in contrasting white Marble matrix. The Ruby crystal is lustrous, highly translucent and nicely terminated. A very aesthetic specimen with a beautifully colored Ruby crystal perfectly balanced - a great piece in excellent condition.- $485.00
- $485.00
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Vendor:UnderGround Treasures
Chalcotrichite
A spectacular specimen of Chalcotrichite (a variety of Cuprite). The Chalcotrichite crystals on this piece are a lustrous and brilliant maroon color, partially coating the matrix with aggregates of fibrous, “hair-like” crystals. By simply lightly blowing on the piece you can see the fibrous...- $750.00
- $750.00
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Vendor:UnderGround Treasures
Epidote
A superb, lustrous spray of dark olive-green Epidote crystals. A beautiful and classic formation in excellent condition. Location: Pampa Blanca, Castrovirreyna District, Huancavelica Department, Peru Size: 7.8 x 5 x 2 cm- $185.00
- $185.00
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