Specimens

Panasquiera, Portugal

Quartz

Katanga, Congo (DRC)

Malachite

St. Andreasberg, Harz, Lower Saxony, Germany

Pyrite, Calcite

La Viesca Mine,, La Collada, Asturias, Spain

Fluorite

La Viesca Mine,, La Collada, Asturias, Spain

Fluorite

Huanggang Mine, Inner Mongolia, China

Bornite, Arsenopyrite

Mt. Xuebaodig, Pinwu Co., Sichuan, China

Cassiterite, Muscovite

Rubtsovskiy Mine, Altaiskiy Krai, Siberia, Russia

Copper, Cuprite

Cash Mine, Gold Hill, Boulder Co., Colorado, USA

Gold, Hessite

Zagi Mountain, Peshawar, Pakistan

Okorusu Mine, Ojiwarongo, Namibia

Fluorite

Tsumeb, Namibia

Azurite, Adamite

Gosalak Mine, Darra Pech, Kunar, Afghanistan

Beryl

Barra de Salina, Minas Gerais, Brazil

Ouro Preto, Minas Gerais, Brazil

Topaz

Guinea

Corundum

Guinea

Corundum

Guinea

Corundum

Tunaberg, Nykoping, Sodermanland, Sweden

Cobaltite

Sierra Leone

Diamond

Shalman, Khyber Agency, Pakistan

Quartz

Empire Mine, Grass Valley, Nevada Co., California, USA

Gold, Quartz

Merelani Hills, Arusha, Tanzania

Prehnite

9th of September Mine, Madan, Bulgaria

Galena

Goboboseb Mtns., Brandberg area, Namibia

Quartz, Analcime