Carlos Barbosa

Herderite image

John & Claudia Watson

Cuprite, Copper, Talc, Magnesite image

Cuprite, Copper, Talc, Magnesite

Harvard Mineralogical and Geological Museum

Florencite-(Ce) image

Florencite-(Ce)

Magnesite image

Sellaite image

Pink Topaz, Tessin-habit Quartz image

Pink Topaz, Tessin-habit Quartz

Federico Picciani

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Tremolite image

Edson Ferreira dos Santos