Minerals

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

This museum quality Amethyst Crystal Cluster with calcite crystals features naturally formed, lustrous and fully terminated with highly reflective ...

From San Eugenio, Artigas Dept., Uruguay Large 7''  scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of colorless q...

Lustrous cluster of Uruguayan deep-grape Amethyst crystals - handmade and formed in shape - with a polished agate rim. This beautiful specimen come...

From Guilin, Guanxi Zhuang, China Huge cluster of elongated citrine quartz crystals. Transparent yellow quartz citrine quartz crystals with smoky p...

From Guilin, Guanxi Zhuang, China Huge cluster of elongated citrine quartz crystals. Transparent yellow quartz citrine quartz crystals with smoky p...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Transparent cluster of light green  blue fluorite crystals with glassy crystal s...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Transparent cluster of light green  blue fluorite crystals with glassy crystal s...

Here is stunning blue botyroidal formation of powder blue translucent hemimorphite on matrix. The hemimorphite has a scintillating surface composed...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

From Lushi, Henan Province, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and show intern...

From Lushi, Henan Province, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and show intern...

From near Pantai Manakarra, Mamuju, Sulawesi, Indonesia Double-sided cluster of translucent grape purple quartz agate in spherical formations with ...

A beautiful classic specimen of lustrous Thunder Bay amethyst with rich inclusions  of brick red hematite. Distinctive solid even brick red color t...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

This Pyrite from Isola d'Elba, Tuscan Archipelago, Livorno, Italy features fully crystallized, lustrous yellow-metallic crystals with a beautiful c...

From Lonavala Quarry, Pune District, Maharashtra, India Lustrous transparent-to-translucent large green apophyllite crystals overgrown on matrix. T...