Harvard Mineralogical and Geological Museum

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Euclase image

Harvard Mineralogical and Geological Museum

Cuprite, Copper, Talc, Magnesite image

Cuprite, Copper, Talc, Magnesite

Harvard Mineralogical and Geological Museum

Elbaite, Cleavelandite image

Elbaite, Cleavelandite

Harvard Mineralogical and Geological Museum

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