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

An ineradicable, large Crotalocephalina gibba, Crotalocephalina trilobite is an extinct genus of trilobite in the order Phacopida found in Morocco....

An ineradicable, large Crotalocephalina gibba, Crotalocephalina trilobite is an extinct genus of trilobite in the order Phacopida found in Morocco....

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

Natural its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and the group produced som...

Genuine Rose Quartz clustered gemstone tree with faux tree trunk set on a large rose quartz crystal clustered matrix - handmade in Brazil.  “Uncond...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

This Brazilian clear quartz crystal point is of top museum quality, with a polished mirror finish on all sides. Known as the "stone of power," it a...

From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

From Mina el Potosí, Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico Here is a very aesthetic specimen with transparent, colorless diverg...

From Elk Creek, Meade County, South Dakota. Cluster of translucent yellow-brown barite on botryoidal crystals.  Weight: 1.9 lbs, Dimensions: 4 x 2 ...

From Ganzhou, Jinagxi, China Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed ov...

Discovered in Graves Mountain, Lincoln County, Georgia, the Lazulite crystals are nestled in a milky quartz matrix, with additional partial crystal...

From Ahouli Mines, Aouli, 7 km northeast of Mibladen, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Floater nodule of blue azurite crystals i...

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

Translucent yellow botryoidal yellow fluorite inside the quartz var. amethyst geode. Both portions of the geode are present. The exposed edge of th...

From Reb Embers Mine Erving, Franklin County, Massachusetts USA Three large almandine garnet in silvery graphite matrix. The almandine garnet is we...

From Huaron District, Cerro de Pasco Province, Pasco Department, Peru Complex cluster of colorless quartz crystals inter grown with metallic yellow...

This Genuine Amethyst Cluster Geode from Uruguay is a top quality natural formation of gem amethyst. The half geode cathedral decor features lustro...