from Minas Gerais, Brazil. Several green beryl crystals on tan colored feldspar matrix. The crystal are greenish-brown color and has the typical co...

From Nandan County, Hechi, Guangxi, China Large blocky crystals of yellow-brown barite crystals in an intersecting orientation. The barites are tra...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

Carcharodontosaurus (Dinosaur) tooth in a glass display box From Tegana Formation, North Africa. Cretaceous Age 65 million years Carcharodontosauru...

Mosasaurs are an extinct group of large marine reptiles. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meus...

This well preserved tooth is 40 to 34 million years old from the Late Eocene Period. Basilosaurus was first thought to be a reptile but was later i...

This well preserved tooth is 40 to 34 million years old from the Late Eocene Period. Basilosaurus was first thought to be a reptile but was later i...

This well preserved tooth is 40 to 34 million years old from the Late Eocene Period. Basilosaurus was first thought to be a reptile but was later i...

From Tekhdi, Madhya Pradesh, India Lustrous transparent purple parallel Quartz Var. crystals with red hematite encrusted phantoms inside water clea...

From Eagle Mine, Colorado Large sparkling cluster of golden-yellow barite crystals to covers all sides, with minimal attachment point on matrix.   ...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

From Minggang Mine, Xinyang Prefecture, Henan, China Translucent purple fluorite in botryoidal formation with sculptural hemispherical aggregates c...

From Lushi, Henan Province, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and show intern...

From Nandan County, Hechi, Guangxi, China Large plate of golden barite crystals to covers all sides, with minimal attachment point on matrix.   Wei...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

From Nandan County, Hechi, Guangxi, China   Complex intersecting formation of lustrous gem translucent golden barite crystals with lustrous faces a...

From Moscona Mine, Villabona District, Asturias, Spain. Very aesthetic cluster of yellow crystals of cubic fluorite with a colorless calcite crysta...

This is a slice of fossilized dinosaur bone with one side polished to a mirror finish. This specimen is a fossilized dinosaur bone in which the ori...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...

This well preserved tooth is 40 to 34 million years old from the Late Eocene Period. Basilosaurus was first thought to be a reptile but was later i...

From Tekhdi, Madhya Pradesh, IndiaLarge cluster of translucent yellow-brown fluorite botryoidal crystals. The fluorite intersected the opposite cav...

From Leiping Mine, Guiyang, Hunan, China Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite cryst...