Specimens

San Vicente Mine, Guanajuato, Mexico

Calcite, Quartz

Globe, Arizona, USA

Malachite, Chrysocolla, Quartz

Yanwuping Mine, Tongren, Guizhou, China

Cinnabar, Quartz

Miandrivazo, Fianarantsoa Province, Madagascar

Fluorite, Quartz

Miandrivazo, Fianarantsoa Province, Madagascar

Fluorite, Quartz

Miandrivazo, Fianarantsoa Province, Madagascar

Fluorite, Quartz

Miandrivazo, Fianarantsoa Province, Madagascar

Fluorite, Quartz

Miandrivazo, Fianarantsoa Province, Madagascar

Fluorite, Quartz

Santa Eulalia, Chihuahua, Mexico

Mahenge, Morogoro, Tanzania

Spinel

Mahenge, Morogoro, Tanzania

Spinel, Pargasite

Ruaha, near Mahenge, Morogoro, Tanzania

Spinel

Merelani Hills, Arusha, Tanzania

Graphite, Grossular

Namalulu, Tanzania

Mahenge, Morogoro, Tanzania

Spinel

Merelani Hills, Arusha, Tanzania

Diopside

Commander Mine, Nadonjukin, Simanjiro, Tanzania

Iron

Landani, Tanzania

Iron

Mashewa, Tanga Region, Tanzania

Zircon

Merelani Hills, Arusha, Tanzania

Grossular, Diopside

Merelani Hills, Arusha, Tanzania

Pyrite, Grossular

Merelani Hills, Arusha, Tanzania

Pyrite, Grossular

Merelani Hills, Arusha, Tanzania

Pyrite, Grossular, Diopside

Pakistan

Quartz

Dolcoath Mine, Camborne, Cornwall, England

Bismuth, Fluorite