A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

Large cluster of silver-metallic arsenopyrite crystals with highly reflective luster with unusual parallel growth aggregates with small isolated ro...

From Sweetwater Mine, Reynolds Co., Missouri USALarge, classic thumbnail specimen of cubic galena crystal with overgrowth of octahedral galena crys...

From Nagar, Hunza Valley, Gilgit District, Gilgit-Baltistan, PakistanLarge lustrous terminated transparent aquamarine crystal, the blue gem variety...

An exquisite, pristine formation of Ram’s Horns calcite, hard to find and very rare. It is a complete floater in perfect condition.    Weight: 1.4 ...

From Ozark-Mahoning No. 1 Mine, Cave-in-Rock District, Hardin County, Illinois Lustrous crystal cluster of yellow fluorite. The fluorite crystals a...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Slender plate of lustrous yellow metallic chalcopyrite microcrystals on matrix....

Lustrous transparent yellow-brown barite crystals completely covering one side of a double-sided plate of matrix. Yellow-metallic pyrite or chalcop...

Large cluster of transparent reddish orange quartz crystals with coloration caused by microscopic spherical hematite inclusions on matrix lined wit...

From Dulong Mine, Maguan, Yunnan, China Large plate of bright blue hemimorphite with botryoidal hemimorphite crystals coating brown matrix. The hem...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of...

Xianghualing-Xianghuapu Mines, Hunan, China Unusual, unique one of a kind specimen of calcite on purple green fluorite. Cubic fluorite crystals in ...

From Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan Prismatic blue afghanite crystals exposed on the face o...

Lustrous transparent deep golden brown calcite crystal on large sphalerite matrix. Large 6" double terminated scalenohedral twinned on the C-axis w...

Nice old time piece with crystal groupings of white silky okenite, throughout this open pocket with smaller crystals of gyrolite. In very good cond...

Half of a hollow geode lined on the inner surfaces with lustrous purple amethyst quartz crystals. All of the amethyst crystals are clean and lustro...

From near Pantai Manakarra, Mamuju, Sulawesi, Indonesia Double-sided cluster of translucent grape purple quartz agate in spherical formations with ...

From Huanggang Mine, No. 6 Shaft, Keshiketeng Qi, Chifeng, Inner Mongolia, China Transparent dark-blue fluorite crystals covering front of gray qua...

Lustrous rich translucent green cubic halite crystals on matrix.     Weight: 1.85 lbs, Dimensions: 8 x 3.5 x 3.5 inches

This genuine Quartz geode from Morocco showcases stunning, see-through white crystals with a sparkling appearance. The perfectly shaped, pure white...