From Benitoite Gem Mine, San Benito County, California, USA Several lustrous dark red-black neptunite crystals in contrasting white natrolite on gr...

From Joplin, Jasper County, Missouri, USA Lustrous large single 1 inch blue steel colored galena crystals on matrix enriched with quartz and ...

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

Top quality Brazilian Quartz point Crystal Cluster. This translucent crystal cluster has fully terminated quartz point crystals with lustrous highl...

Galena from Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria Bright metallic galena crystals with mirror-like surface luster with mino...

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

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

This substantial specimen from Gachala, Cundinamarca, Colombia, features an iron cross twin of goethite pseudomorph after pyrite. The pyrite is com...

Top quality Brazilian Quartz point Crystal Cluster. This translucent crystal cluster has fully terminated quartz point crystals with lustrous highl...

This Herkimer Quartz Cluster from Herkimer County, New York boasts impeccable quality with a visually stunning stacked formation of doubly-terminat...

Top quality Brazilian Quartz point Crystal Cluster. This translucent crystal cluster has fully terminated quartz point crystals with lustrous highl...

Top quality Brazilian Quartz point Crystal Cluster. This translucent crystal cluster has fully terminated quartz point crystals with lustrous highl...

From Nasik District, Maharashtra, India One milky calcite crystal on powder blue druzy chalcedony matrix.   Weight: 393 grams , Dimensions: 4.5 x 1...

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

This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of the sh...

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

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This u...

From Nasik District, Maharashtra, India Lustrous Large transparent yellow rhombohedral calcite crystal with textured striated crystal faces. Most o...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Classic pristine specimen of lustrous white tarnowitzite crystals ranging from small t...

This unique Pyrite Concretion from Dongchuan District, Yunnan Province, China features sparkling, sharp, modified metallic crystals arranged in con...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

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

From Bouismas Mine, Zagora, Morocco This is an exceptional example of well crystallized native Silver on Calcite with Cuprite crystals. The Silver ...

From Bouismas Mine, Zagora, Morocco This is an exceptional example of well crystallized native Silver on Calcite. The Silver exhibits a well define...