Specimens

Reneville, Pool Department, Republic of the Congo

Dioptase

Reneville, Pool Department, Republic of the Congo

Dioptase

N'tola Mine, Mindouli Dist., Pool Department, Republic of the Congo

Dioptase, Quartz

Reneville, Pool Department, Republic of the Congo

Dioptase

N'tola Mine, Mindouli Dist., Pool Department, Republic of the Congo

Dioptase, Quartz

Reneville, Pool Department, Republic of the Congo

Dioptase

N'tola Mine, Mindouli Dist., Pool Department, Republic of the Congo

Dioptase

Reneville, Pool Department, Republic of the Congo

Dioptase

N'tola Mine, Mindouli Dist., Pool Department, Republic of the Congo

Mimetite, Dioptase

Palabanda quarries, Mfouati, Bouenza Department, Republic of the Congo

Hemimorphite

Yanga Koubenza, Mfouati, Bouenza Department, Republic of the Congo

Smithsonite, Aurichalcite

Yanga Koubenza, Mfouati, Bouenza Department, Republic of the Congo

Smithsonite

Yanga Koubenza, Mfouati, Bouenza Department, Republic of the Congo

Smithsonite

Yanga Koubenza, Mfouati, Bouenza Department, Republic of the Congo

Smithsonite

Palabanda quarries, Mfouati, Bouenza Department, Republic of the Congo

Hemimorphite

Rogerley Mine, Durham, England

Fluorite

Reed Station, Tiburon, Marin Co., California, USA

Lawsonite

Sedalia Mine, Chaffee Co., Colorado, USA

Almandine

Merelani Hills, Arusha, Tanzania

Graphite, Diopside

Mahenge, Morogoro, Tanzania

Spinel

Maynard Mine, Thomas Range, Juab Co., Utah, USA

Topaz

Coyote Front Range, Bishop, Inyo Co., California, USA

Grossular

Stak Nala, Skardu, Pakistan

Merelani Hills, Arusha, Tanzania

Prehnite

Garnet Hill Mine, Calaveras Co., California, USA

Andradite, Quartz