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

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 ...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

A beautiful classic specimen of lustrous Thunder Bay amethyst with rich inclusions  of brick red hematite. Distinctive solid even brick red color t...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

This amethyst stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. The gemstone is tra...

From Mogok, Sagaing Division, Myanmar (Burma) An excellent complex crystal of red Spinel crystals with deep cherry-red to translucent strawberry-re...

From Pamir Mountains, Badakshan, Afghanistan Beautiful gemmy purple Scapolite crystal on feldspar matrix. Scapolite crystal have excellent color an...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of brigh...

Museum quality, 5" tall stone containing many small ammonite fossils. The ammonites are of the species Promicroceras marstonense and are Lower Jura...

Large cluster of lustrous cubic fluorite crystals with surfaces composed of many smaller parallel cubic faces. The fluorite crystals have medium-pu...

From Aurangabad, Maharashtra, India Large pale whale tail chalcedony calcite pseudomorph crystal of gem transparent calcite crystals coated with sp...

From Nasik District, Maharashtra, India Large lustrous cluster of intersecting acicular sprays of scolectite crystals with matrix. The scolecite cr...

From Jeffrey Mine, Asbestos, Québec, Canada Sparkling cluster of large cluster of violet-colored vesuvianite crystals crystallized all around on gr...

From Pingwu beryl mine, Huya township, Mount Little Xuebaoding, Pingwu Co., Mianyang, Sichuan, China Yellowish-brown rhombohedral siderite crystals...

From Nasik District, Maharashtra, India Large lustrous cluster of an acicular sprays of scolectite crystals on pink stilbite. The scolecite crystal...

From Nasik District, Maharashtra, India Large lustrous cluster of an acicular sprays of scolectite crystals on pink stilbite. The scolecite crystal...

From Nasik District, Maharashtra, India Large lustrous cluster of an acicular sprays of scolectite crystals on pink stilbite. The scolecite crystal...

From Nasik District, Maharashtra, India Large lustrous cluster of an acicular sprays of scolectite crystals on pink stilbite. The scolecite crystal...