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Vendor:UnderGround Treasures
Sulfur
Deep yellow, transparent, lustrous complex Sulfur crystals on matrix. These sulfur crystals are striking - their color, luster and crystal formation are outstanding - a very aesthetic piece in excellent condition. Location: El Desierto Mine, San Pablo de Napa, Daniel Campos Province, Potosi Department, Bolivia...- $155.00
- $155.00
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Vendor:UnderGround Treasures
Sulfur
Deep yellow, transparent, lustrous complex Sulfur crystals on matrix. These sulfur crystals are striking - their color, luster and crystal formation are outstanding - a very aesthetic piece in excellent condition. Location: El Desierto Mine, San Pablo de Napa, Daniel Campos Province, Potosi Department, Bolivia...- $110.00
- $110.00
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Vendor:UnderGround Treasures
Fluorite
This large and aesthetic piece features two parallel rows of intersecting transparent purple cubic Fluorite crystals set on a sandy colored and textured matrix. Darker purple zoning can be seen in the Fluorite crystals. The striking contrast of color and texture along with amazing...- $575.00
- $575.00
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Vendor:UnderGround Treasures
Celestine with Fluorite
A very aesthetic piece featuring a protective vug lined with lustrous “root beer” Fluorite crystals and hosting large Celestine crystal blades. A classic combo piece with great crystal formation, contrast, symmetry and luster. In excellent condition. Location: White Rock Quarry, Clay Center, Ohio, USA Size: 12.5...- $220.00
- $220.00
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Vendor:UnderGround Treasures
Amethyst Geode
This is a striking, large, lustrous, deep-purple Amethyst Geode, that can only come from Uruguay. In addition, the contour of the Geode is protruding rather than hollow - making for a very unique presentation. A spectacular piece in excellent condition. Location: Artigas, Uruguay Size: 12 x...- $340.00
- $340.00
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Vendor:UnderGround Treasures
Malachite
A unique piece featuring deep-green micro-botryoidal Malachite with minor Chrysocolla on matrix. The Malachite has a miniature stalactitic-like formation - very uncommon. Great color, contrast and formation. In excellent condition. Location: Mashamba West Mine, Kolwezi, Katanga Province, DR Congo Size: 11.5 x 7.5 x 7.5 cm...- $120.00
- $120.00
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Vendor:UnderGround Treasures
Quartz with Pyrite
A large plate densely covered with colorless transparent Quartz “needles” with numerous lustrous metallic-gold Pyrite crystals. This combination creates a very lustrous and aesthetic specimen that sparkles due to the myriad of reflective faces. In excellent condition. Location: Huaron Mine, Pasco Department, Peru Size: 10.5 x...- $140.00
- $140.00
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Vendor:UnderGround Treasures
Epidote
A lustrous dark-green cluster of Epidote crystals with striations and wedge-shaped terminations on a matrix of crystallized massive Epidote. Under lighting, the classic pistachio-green can be clearly seen. A very aesthetic specimen of Epidote in excellent condition. Location: Pampa Blanca, Castrovirreyna District, Huancavelica Department, Peru...- $135.00
- $135.00
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Vendor:UnderGround Treasures
Aegirine with Microcline
An uncommon specimen featuring intersecting crystals of burnt orange-colored Microcline hosting clusters of long and large, lustrous, deep-green Aegirine crystals along with thick and stubby crystals and dense clusters of thin crystals. A unique and collectable piece with great contrast, symmetry, and a wide...- $285.00
- $285.00
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Vendor:UnderGround Treasures
Silver
A striking specimen featuring Native Silver on Calcite. The Calcite has been etched revealing the beautiful, dendritic formations of the Native Silver (Dendrite: a crystal aggregate composed of branching skeletal or tree-like formations. Minerals.net). The dense crystal formations on the top/center are stunning -...- $160.00
- $160.00
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Vendor:UnderGround Treasures
Selenite on matrix
A very large and exceptional display piece featuring large, transparent colorless Selenite crystals on a dark Basalt matrix with minor Malachite. The Selenite is water clear. Note: This piece is all natural, not the Selenite “sculptures” that glue a slab of Selenite to a...- $285.00
- $285.00
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Vendor:UnderGround Treasures
Heulandite Geode
A nice, large aesthetic piece featuring a geode lined with lustrous, pink-orange Heulandite crystals. The crystals are well defined with a pearly, almost glassy luster - this piece sparkles. Excellent condition. Location: Aurangabad, India Size: 19.5 x 10.5 x 11.5 cm- $225.00
- $225.00
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Vendor:UnderGround Treasures
Chrysocolla with Malachite
This is a beautiful eye-catching piece of turquoise-blue Chrysocolla over botryoidal Malachite in a vug, with the layering nicely displayed on the edges. A very aesthetic specimen of Chrysocolla in excellent condition. Location: L'Etoile du Congo Mine, Lubumbashi, Katanga, DR Congo Size: 8.5 x 7 x...- $145.00
- $145.00
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Vendor:UnderGround Treasures
Actinolite in Quartz
A very large piece featuring dense clusters of reticulated, slender dark-green Actinolite crystals in clear Quartz. From a new find in Shigar Valley, Pakistan, this piece is densely populated on all sides and all the way thru. An eye-catching piece for its sheer density...- $285.00
- $285.00
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Vendor:UnderGround Treasures
Kunzite
A beautiful, lustrous, transparent and gemmy pink Kunzite crystal. Kunzite is the pink gem variety of the mineral Spodumene and has become increasingly popular in the gemstone market. Striking color and clarity. Location: Pech, Kunar Province, Afghanistan Size: 6.5 x 1.5 x 9.7 cm- $330.00
- $330.00
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Vendor:UnderGround Treasures
Kunzite
A large, beautiful, lustrous, transparent and gemmy pink Kunzite crystal. Kunzite is the pink gem variety of the mineral Spodumene and has become increasingly popular in the gemstone market. Striking color and clarity. Location: Pech, Kunar Province, Afghanistan Size: 3.2 x 2 x 11 cm- $290.00
- $290.00
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Vendor:UnderGround Treasures
Barite on Sulfur
A very aesthetic piece featuring a matrix of massive yellow Sulfur hosting a dense layer of transparent, golden-brown tapered Barite crystals. The density of the Barite crystals is striking, as well as the vitreous luster. An amazing specimen in excellent condition. Location: Machow Mine, Tarnobrzeg,...- $295.00
- $295.00
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Vendor:UnderGround Treasures
Spessartine Garnet
A matrix of white Albite with Schorl Tourmaline and Muscovite hosting an unusually large, complete, lustrous deep wine-red trapezohedral Garnet crystal nicely centered on the matrix. The focal Garnet is whole with clean and smooth faces. A striking piece with great color, crystal formation,...- $630.00
- $630.00
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Vendor:UnderGround Treasures
Aegirine with Microcline
An uncommon specimen featuring intersecting crystals of buff-colored Microcline hosting dense clusters of thin, lustrous, deep-green Aegirine crystals. A unique and collectable piece with great contrast and symmetry. In excellent condition. Location: Girardville, Québec, Canada Size: 5.5 x 3.5 x 4 cm- $50.00
- $50.00
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Vendor:UnderGround Treasures
Aegirine with Microcline
An uncommon specimen featuring intersecting crystals of buff-colored Microcline hosting dense clusters of thin, lustrous, deep-green Aegirine crystals. A unique and collectable piece with great contrast and symmetry. In excellent condition. Location: Girardville, Québec, Canada Size: 5 x 4 x 4.5 cm- $55.00
- $55.00
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Vendor:UnderGround Treasures
Aegirine with Microcline
An uncommon specimen featuring intersecting crystals of buff-colored Microcline hosting dense clusters of thin, lustrous, deep-green Aegirine crystals. A unique and collectable piece with great contrast and symmetry. In excellent condition. Location: Girardville, Québec, Canada Size: 7 x 4 x 4.5 cm- $65.00
- $65.00
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Vendor:UnderGround Treasures
Calcite
A large stacked cluster of highly translucent to transparent golden rhombohedral Calcite crystals - with its golden color, silky luster and stair-stepped form, this is a unique and aesthetic piece. In excellent condition. Location: Saint-Philippe Quarry, Saint-Philipp, Roussillon RCM, Montérégie, Québec, Canada Size: 13 x 8...- $175.00
- $175.00
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Vendor:UnderGround Treasures
Calcite
A large stacked cluster of highly translucent to transparent golden rhombohedral Calcite crystals. With its golden color, silky luster and stair-stepped form, this is a unique and aesthetic piece. In excellent condition. Location: Saint-Philippe Quarry, Saint-Philipp, Roussillon RCM, Montérégie, Québec, Canada Size: 10 x 8 x...- $225.00
- $225.00
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Vendor:UnderGround Treasures
Thomsonite
A large, colorful and aesthetic piece featuring numerous intersecting spherical aggregates of golden Thomsonite on a plate of miniature beige Stilbite crystals. The Thomsonite spheres really pop on the Stilbite crystal plate making for a striking specimen with great color and contrast. In excellent...- $375.00
- $375.00
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Vendor:UnderGround Treasures
Vanadinite
A exceptionally large specimen of deep-red Vanadinite crystals on black Goethite matrix. The crystals are large, sharp, lustrous and translucent and contrast nicely with the dark Goethite matrix. Very aesthetic piece in excellent condition. Location: Mibladen, Midelt, Morocco Size: 17.5 x 7.5 x 18 cm- $250.00
- $250.00
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Vendor:UnderGround Treasures
Vanadinite
A large specimen of deep-red Vanadinite crystals on black Goethite matrix. The crystals are large, sharp, lustrous and translucent and contrast nicely with the dark Goethite matrix. Very aesthetic piece in excellent condition. Location: Mibladen, Midelt, Morocco Size: 18 x 9 x 11 cm- $225.00
- $225.00
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Vendor:UnderGround Treasures
Scolecite on Apophyllite, Stilbite
A very aesthetic combination piece featuring numerous large, lustrous green modified Apophyllite cubes and beige Stilbite crystals on matrix hosting a large, focal colorless to white, satiny Scolecite spray along with numerous miniature acicular sprays of Scolecite. The contrast, crystal formation and symmetry is...- $110.00
- $110.00
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Vendor:UnderGround Treasures
Stellerite
A unique and rare piece featuring a translucent, cream-colored Stellerite crystal sphere in a well protected Basalt vug lined with white Chalcedony. An exceptional and hard to find specimen with striking crystal formation, contrast and rarity. In excellent condition. Location: Aurangabad District, Maharashtra, India Size: 9...- $145.00
- $145.00
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Vendor:UnderGround Treasures
Agate pseudomorph after Coral
A very aesthetic and beautiful matched pair of coral halves that have been pseudomorphed by Chalcedony/Agate. Chalcedony, in this rounded, banded form, is referred to as Agate. This piece was sawn in half and the faces polished, displaying the brown, banded Agate lining and...- $145.00
- $145.00
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Vendor:UnderGround Treasures
Agate pseudomorph after Coral
A very aesthetic and beautiful matched pair of coral halves that have been pseudomorphed by Chalcedony/Agate. Chalcedony, in this rounded, banded form, is referred to as Agate. This piece was sawn in half and the faces polished, displaying the brown, banded Agate lining and...- $120.00
- $120.00
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