-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
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
- Unit price
- per
-
Vendor:UnderGround Treasures
Erythrite
A beautiful, well-formed spray of deep-wine colored Erythrite on a dark, contrasting matrix. The color, the crystal formation, the luster and the contrast are all impressive. In excellent condition. Location: Agodual Quarry, Bou Azzer, Ouarzazate Province, Morocco Size: 5.2 x 4.4 x 2.7 cm- $275.00
- $275.00
- Unit price
- per
-
Vendor:UnderGround Treasures
Fluorapatite
This piece features numerous transparent, yellow crystals of Apatite on with white Quartz matrix. The two main converging Apatite crystals at the front of the piece are quite gemmy with glassy luster and sharp terminations. Nice contrast and in excellent condition. Location: Cerro de Mercado,...- $260.00
- $260.00
- Unit price
- per
-
Vendor:UnderGround Treasures
Prehnite with Epidote
A large specimen featuring numerous spherical formations of translucent green prehnite on dark green Epidote crystals. These Prehnite spheres are aggregates of slender, radiating crystals clearly seen in the closeup of a contacted sphere. This is a very fine specimen with excellent color and...- $350.00
- $350.00
- Unit price
- per
-
Vendor:UnderGround Treasures
Dioptase
A large piece of matrix with light-blue Shattuckite hosting some large, lustrous, translucent, sharp, deep-green Dioptase crystals lining a shallow vug. The large, focal Dioptase crystals is nearly 2 cm in size. There is also a light Dioptase druse on a portion of the...- $560.00
- $560.00
- Unit price
- per
-
Vendor:UnderGround Treasures
Chrysocolla
This is a large, colorful specimen of Chrysocolla rough - it is completely natural and unaltered. On the “front” surface you can even see a botryoidal formation. Chrysocolla is a semi-precious stone used for jewelry, carving and more. This particular rough is an example...- $90.00
- $90.00
- Unit price
- per
-
Vendor:UnderGround Treasures
Dioptase
A large specimen hosting translucent, lustrous, vibrant-green Dioptase crystals on matrix. In addition to the fully crystallized front, there are numerous Dioptase veins throughout the matrix. It is a beautiful piece and the deep, lustrous green color is certainly eye-catching. In great condition. Location: Altyn-Tyube...- $295.00
- $295.00
- Unit price
- per
-
Vendor:UnderGround Treasures
Dioptase on Calcite
A beautiful specimen of intergrown, cream-colored Calcite rhombohedrons with a dusting of vibrant green, microcrystalline Dioptase. It’s as if the Calcite has been sprinkled with green glitter - just amazing! This is a spectacular specimen and in excellent condition. Location: Tsumeb Mine, Tsumeb, Otjikoto Region,...- $675.00
- $675.00
- Unit price
- per