Specimens

Apex mine, San Carlos, Manuel Benavides Municipality, Chihuahua, Mexico

Vanadinite

Ruaha, near Mahenge, Morogoro, Tanzania

Spinel

Ximeng County, Pu'er, Yunnan, China

Cassiterite

Blue Chihuahua Mine, Iron Spring Mountain, Riverside Co., California, USA

Elbaite

Himalaya Mine, Mesa Grande, San Diego Co., California, USA

Garnet Ledge, Wrangell Island, Alaska, USA

Almandine

War Eagle Mine, near Barstow, San Bernardino Co., California, USA

Brochantite, Linarite

Butte, Silverbow Co., Montana, USA

Covellite

Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA

Kolwezi Mining District, Lualaba, DR Congo

Azurite

Amelia Mine, Santa Rosalia, Baja Sur, Mexico

Garnet Ledge, Wrangell Island, Alaska, USA

Almandine

Himalaya Mine, Mesa Grande, San Diego Co., California, USA

Himalaya Mine, Mesa Grande, San Diego Co., California, USA

Himalaya Mine, Mesa Grande, San Diego Co., California, USA

Albite

Mamuju, Sulawesi, Indonesia

Quartz

Champion Mine, Mono Co., California, USA

Svanbergite

Mindouli District, Pool Department, Congo

Dioptase

Astillero Mine, Mapimí, Mapimí Municipality, Durango, Mexico

Turquoise

Leizhou Co., Zhanjiang Pref., Guangdong Prov., China

Mogok, Myanmar

Spinel

Mahenge, Morogoro, Tanzania

Spinel

Mt Xuebaoding, Ping Wu, Sichuan Prov., China

Scheelite

Charcas, San Luis Potosi, Mexico

Danburite, Quartz

San Benito Co., California, USA

Natrolite