This large fossil plate is incredibly unique, featuring a long Diplomystus dentatus along with two Cockerellites (Priscacara) liops, fossilized in ...

This is a gorgeous, colorful doubly polished Malachite and Chrysocolla slice from the Congo. Boasting intricate and artistic textures consisting of...

From Huanggang Mine, No. 6 Shaft, Keshiketeng Qi, Chifeng, Inner Mongolia, China Transparent dark-blue fluorite crystals covering front of gray qua...

From Jalgaon, Aurangabad District, Maharastra, India Very aesthetic, Lustrous transparent bi-colored apophyllite crystals with translucent pink sti...

From Greenlaws Mine, Victoria Flatt, Weardale, County Durham, England Lustrous transparent-to-translucent purple-gray cubic fluorite crystals. The ...

from Paprok, Kamdesh District, Nuristan Province, Afghanistan Superb specimen of lustrous Rubellite var. pink tourmaline crystals fully terminated ...

From Jalgaon,  Maharashtra, India   Large cabinet specimen of rich golden yellow calcite crystal cluster partially covered in lustrous gem apophyll...

From Cave-in-Rock District, Hardin County, Illinois Very aesthetic large transparent cubic fluorite crystals with white barite overgrown on yellow ...

This flawless 227.5ct museum quality, all natural Citrine gemstone has extraordinary color of the finest quality, which is known as Madiera or Cogn...

from Jalgaon,  Maharashtra, India   Large specimen of lustrous green apophyllite crystals in isolated clusters on druzy chalcedony matrix. The apop...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Scintillating formation of spherical aggregates of quartz with translucent green conic...

From Wagholi Quarry, Maharashtra, India Vibrant royal blue cavansite crystals in spherical aggregates on quartz microcrystal-coated matrix with sma...

Museum quality, rare undulating formation of a gemmy transparent amethyst cluster with a cluster of spherical purple fluorite. These amethyst cryst...

Sculptural formation of sharp, distinct copper crystals from Daye Co., Hubei Province, China.  The copper looks beautiful under magnification. A l...

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

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

From Guatomo Mine, near Tham Thalu, south of Hat Yai, Yala Province, Thailand Well defined undamaged specimen of olive yellow-green ball aggregates...

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

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

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

From Ray Mine, Mineral Creek District, Pinal County, Arizona Bright blue micro crystal coating of chrysocolla over quartz crystal Custer matrix. T...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Several intersecting doubly terminated quartz crystals colored green by inclusi...

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

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