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Calcite from USA

Glauberite from USA

Sulfur from Bolivia

Wavellite from USA

Chalcopyrite from Bulgaria

Plancheite from DR Congo

Fluorite from Peru

Copper from USA

Wulfenite from Namibia

Chrysocolla from DR Congo

Chalcopyrite from USA

Cobaltite from DR Congo

Fluorite from USA

Calcite from Romania

Fluorite from China

Gypsum from Poland

Cornetite from DR Congo

Labradorite from Madagascar

Calcite

Malachite from DR Congo

Hemimorphite from China