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

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, Morocco Unique lustrous translucent red-orange vanadinite crystals...

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

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

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

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

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

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

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...

From Bouismas Mine, Zagora, Morocco This is an exceptional example of well crystallized native Silver on Calcite with metallic silver rhombic Cupri...

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

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

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

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

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

Moldavite (Tektite - natural glass caused by meteorite impact) from Czech Republic. Translucent green moldavite with wavy flow pattern resulting fr...