Top-quality Rainbow Aura Quartz Crystal Cluster, also known as, "Titanium Aura".  These bright and transparent quartz clusters are the finest on th...

From Elmwood Mine, Carthage, Smith County, Tennessee Transparent 3d cubic formation of bi colored purple fluorite with gem yellow core. Bright vibr...

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

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

Stunning 36.5ct custom oval cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hues. T...

Stunning 36.5ct custom Trillion cut Citrine gemstone. This gorgeous citrine gemstone is natural gemstone which is reddish-brown to orange-brown hue...

This genuine Muonionalusta meteorite pendant is a type IVA (Of) octahedrite, thought to have impacted northern Scandinavia over one million years a...

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

Extremely unique ammonite fossil exposing positive and negative with its original matrix. It displays a brilliant opalescence of pink and purple....

This simple, clear, and unique collection of sterling silver Lapis Lazuli ring is like a work of art, that makes a statement and pairs with everyth...

From Moscona Mine, Villabona District, Asturias, SpainAesthetic penetrating cubic formation of transparent to translucent golden yellow fluorite cr...

From Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri Iridescent crystals of metallic chalcopyrite on matrix. The chalcopyrite iridescenc...

Genuine Spinosaurus (Dinosaur) tooth. Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, ...

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

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...

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 Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

A beautiful and free-form shaped translucent quartz clusters from Brazil. This specimen has beautiful lustrous quartz crystals. A great gift and a ...

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

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

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

Fire corals (Millepora alcicornis) are members of the Cnidaria phylum, and although fire coral looks like coral, it is a member of the class Hydroz...

Lustrous large gem transparent crystals of blue Celestite. Has a few large crystals with prism faces and chisel-shaped terminations. This specimen ...