Specimens

Flambeau Mine, Ladysmith, Wisconsin, USA

Chalcocite

Los Lamentos, Chihuahua, Mexico

Wulfenite

Carson Hill Gold Mine, Calaveras Co., California, USA

Ankerite

Mozambique

Zircon

Landani, Tanzania

Iron, Calcite, Quartz

Killa Saifullah, Balochistan, Pakistan

Brucite

Quiruvilca Mine, Quiruvilca District, La Libertad, Peru

Pyrite

Kagoro, Kaduna State, Nigeria

Spinel

Kagoro, Kaduna State, Nigeria

Spinel

Kagoro, Kaduna State, Nigeria

Spinel

Kagoro, Kaduna State, Nigeria

Spinel

Kagoro, Kaduna State, Nigeria

Spinel

Kagoro, Kaduna State, Nigeria

Spinel

Red Embers Mine, Erving, Massachusetts, USA

Graphite, Dravite

Cobalt, Ontario, Canada

Silver, Safflorite

Kagoro, Kaduna State, Nigeria

Spinel

Brazil

Quartz

Teller Co., Colorado, USA

Vanadinite

Yakutia, Russia

Charoite

Merelani Hills, Arusha, Tanzania

Graphite, Pyrite, Grossular

Merelani Hills, Arusha, Tanzania

Grossular

Australia

Opal

Commander Mine, Nadonjukin, Simanjiro, Tanzania

Iron, Calcite

Milford, Utah, USA

Malachite, Chrysocolla

Utah, USA

Variscite