Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

From Huanggang Fe-Sn deposit, Hexigten Banner, Inner Mongolia, China   Well defined specimen of sharp well defined bladed shear-shaped Lollingite c...

From Kolwezi, Katanga, Democratic Republic of the Congo (Zaire) Large polished free form botryoidal specimen of solid chrysocolla and malachite bu...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural velvet botryoidal formation of solid velvet...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...