Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turon...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Large single crystal of transparent sherry colored Topaz with sharp complex basal...

Lustrous transparent deep golden calcite crystal on matrix. Large double terminated scalenohedral twinned on the C-axis with well defined re-entran...

From Aurangabad, Maharashtra, India Large pale snow white pseudomorph crystal of gem transparent calcite crystals coated with sparkling quartz micr...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Large single crystal of transparent sherry colored Topaz with sharp complex basal...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a co...

Large 3 inch chocolate brown translucent huelandite crystal double terminated in a u shape on druzy quartz var. chalcedony in small stalactitic for...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, NamibiaTop quality specimen of translucent, colorless rhombic calcite crystals in a stacked fo...

 from Dalnegorsk, Primorskiy Kray, Russia   Large cabinet specimen of a sparkling cluster of highly lustrous jet black sphalerite crystals in aggre...

Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

Top AAA quality polished Strawberry Quartz sphere from Madagascar. It has color ranges from light pink, strawberry pink, to raspberry pink. Strawb...

Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

This 14.5 lb AAA quality Large Septarian Druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as we...

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

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

AAA quality, rare find translucent perfect bullseye yellow Aragonite stalactite slice. Polished on front and rear sides. Aragonite is a naturally o...

AAA quality, rare find translucent perfect bullseye yellow Aragonite stalactite slice. Polished on front and rear sides. Aragonite is a naturally o...

Fully terminated single crystal of transparent gem quality spodumene var. Kunzite. The crystal faces are composed of smaller lustrous parallel crys...

From Wulashan Au deposit, Wulashan mining district, Binhe New District, Baotou City (Baotou Prefecture), Inner Mongolia, China. Beautiful specimen ...

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