Sculptural formation of sharp, distinct copper crystals from Jiujiang Co., Jiangxi Province, China. The copper looks beautiful under magnification...

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

From Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, MichiganLustrous translucent parallel scalenohedral calcite crystal...

From Kolwezi, Katanga, Democratic Republic of the Congo (Zaire) Colorful specimen of lustrous translucent blue cornetite crystals with translucent...

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

From Red Lead Mine, Dundas, Tasmania, Australia Colorful specimen of bright red-orange translucent crocoite crystals on brown gossan with minor yel...

This unique red-orange Crocoite needle-like crystals from Red Lead Mine, Dundas, Tasmania, Australia. The lustrous and clean crystals have high vis...

The Chimney Rock Quarry in Bound Brook, NJ has produced world-class specimens of native copper. Unusually large specimen of crudely crystallized n...

Genuine Amethyst clustered gemstone tree with faux tree trunk set on a large grape purple Amethyst crystal cluster on matrix - handmade in Brazil. ...

Beautiful Madagascan dendritic quartz agate freeform with an exposed cavity, lined with lustrous colorless quartz crystals. Hand polished to a mirr...

From Berg Aukas Mine, Grootfontein, Otavi Mountain Land, Namibia   This specimen has lustrous and transparent dark-brown Descloizite crystals in a ...

From Berg Aukas Mine, 16 km ENE of Grootfontein, Otavi Mountain Land, Namibia Lustrous, well crystallized black-brown descloizite crystals in arrow...

This amazing stalactite formations are the height of beauty, with glittering druzy crystalline blossoms covering a cluster of long, finger-like pro...

This stunning piece is a light violet/lilac amethyst with unique stalactite formations. The edges of this beautiful piece have been polished. Ameth...

An exquisite light grey druzy quartz stalactite cluster with details in green celadonite and white quartz. This piece is very special due to its li...

Fossilized ammonite half which reveals the internal chambers lined with calcite crystals. The ammonite has been naturally replaced by calcite with...

A perfect Faden-growth formation of transparent quartz crystal cluster. The faden line running through the crystals is very clear and dramatic, mak...

From Cerro de Mercado, Durango, Mexico   Gem transparent yellow fluorapatite crystals embedded on both sides of its gray quartz chalcedony. The flu...

From Hunza Valley, Gilgit-Baltistan, PakistanLustrous interconnected purple-gray apatite crystals with minor matrix. Color ranges from colorless to...

from Hunza Valley, Gilgit-Baltistan, Pakistan   Transparent to translucent deep pink hexagonal fluorapatite crystal on an intergrown cluster of mus...

From Momin Akhada, near Rahuri, 50 km north of Ahmednagar, Maharashtra, India Radiating clusters of transparent green Fluorapophyllite crystals on...

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

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

Transparent purple fluorite crystals with minor hemimorphite crystal matrix. The crystal is externally unblemished, and only one internal flaw, oth...