Specimens

Santa Eulalia, Chihuahua, Mexico

Calcite, Mimetite

Santa Eulalia, Chihuahua, Mexico

Calcite, Mimetite

Mindouli District, Pool Department, Republic of the Congo

Dioptase

Wheal Gorland, Gwennap, Cornwall, England

Liroconite

Mogok, Myanmar

Kolwezi Mining District, Lualaba, Dem. Rep. of Congo

Arsenopyrite, Calcite, Malachite

Colombia, Sri Lanka

Corundum, Beryl

Taraba State, Nigeria

Hematite, Quartz

Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil

Rhodonite

Sahara Desert, Egypt

Sahara Desert, Egypt

Sahara Desert, Egypt

Taraba State, Nigeria

Hematite, Quartz

Taraba State, Nigeria

Hematite, Quartz

Taraba State, Nigeria

Hematite, Quartz

Taraba State, Nigeria

Hematite, Quartz

Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil

Rhodonite

Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil

Rhodonite

Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil

Rhodonite

Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil

Rhodonite

Tin Stope, Majuba Hill Mine, Pershing Co., Nevada, USA

Clinoclase, Cornubite

Tin Stope, Majuba Hill Mine, Pershing Co., Nevada, USA

Clinoclase

Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA

Clinoclase, Cornubite

Copper Stope, Majuba Hill Mine, Pershing Co., Nevada, USA

Clinoclase, Cornubite

Champion Mine, Mono Co., California, USA

Rutile, Svanbergite, Topaz, Quartz