Galena from Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria Bright metallic galena crystals with mirror-like surface luster with mino...

Sculptural formation of sharp, distinct copper crystals from Jiujiang Co., Jiangxi Province, China. The copper looks beautiful under magnification...

From Shanhua Pu Mine, Xianghualing, Hunan Province, China Lustrous transparent green cubic fluorite crystals covered with colorless calcite crystal...

From West Boltsburn Mine, Rockhope District, Weardale, England Beautiful specimen of purple fluorite crystals  covered with overgrowth of siderite ...

This specimen is a piece of Mexican Amber, also know as Mexican Mayan Amber. It is harder than most other ambers, which makes it less fragile and i...

Mosasaurs are an extinct group of large marine reptiles. Mosasaur teeth come in various sizes and from various species.  This specimen is a large, ...

This genuine single Flexicalymene Trilobite fossil is from the early Cambrian period (roughly 520 million years ago), and was found in the Tazzarin...

This Mosasaur Tooth with Root features a large, high-grade fossil from a Mosasaurus beaugei. This species is the largest of six known in the Maastr...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Large specimen of silvery metallic luster arsenopyrite crystals in a subparall...

From San Pedro Mine, San Pedro Corralitos, Chihuahua, Mexico Well defined undamaged specimen of olive yellow-green ball aggregates of mimetite crys...

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

From Mina Navidad, 19 km northwest of Abasolo, Durango, Mexico Lustrous transparent colorless spherical clusters of radiating orange creedite cryst...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of many intersecting yellow mimetite crystals. Very lustrous, good color....

From Jalgaon District, Maharashtra, India  Classic example of cream colored cluster of bowtie stilbite crystal on matrix. Stilbite crystals are tra...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Large v-formation of transparent slightly smoky cerussite crystals with no attached ma...

From Agrigento Province, Sicily, Italy Classic and beautiful plate of bright gemmy translucent rich yellow sulphur crystals over translucent white ...

Brenham is a pallasite meteorite found near Haviland, a small town in Kiowa County, Kansas, United States. Pallasites are a type of stony–iron mete...

Genuine Muonionalusta Meteorite Slice from Norrbotten, Sweden. The Muonionalusta is a meteorite classified as fine octahedrite, type IVA (Of) which...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Momin Akhada, near Rahuri, 50 km north of Ahmednagar, Maharashtra, India Radiating clusters of transparent green Fluorapophyllite crystals on...

From Edong Mining District, Daye, Hubei, Chinarict, Kosovo This extraordinary Calcite specimen discovered in China features an impressive, one-of-a...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, MoroccoTranslucent golden cerussite crystals scattered over orange...