Specimens

Kagoro, Kaduna State, Nigeria

Iron, Spinel

Kagoro, Kaduna State, Nigeria

Iron, Spinel

Kagoro, Kaduna State, Nigeria

Iron, Spinel

California, USA

Mina Oujela, Mapimi, Durango, Mexico

Adamite

Mina Oujela, Mapimi, Durango, Mexico

Adamite

Darwin, Inyo Co., California, USA

Scheelite

Jeffrey Mine, Asbestos, Quebec, Canada

Grossular

79 Mine, Gila Co., Arizona, USA

Wulfenite

Melissa Mine (?), Trigo Mtns., Yuma Co., Arizona, USA

Wulfenite

Bad Bleiberg, Carinthia, Austria

Wulfenite

Kongsberg, Norway

Silver

T&G Prospect, Pine Canyon, Grant Co., New Mexico, USA

Fluorite

Gem Mine, San Benito Co., California, USA

Benitoite, Neptunite

Pulsifer Quarry, Maine, USA

Silverton, Colorado, USA

Rhodochrosite, Quartz

Hall's Gap, Lincoln Co., Kentucky, USA

Millerite

Rowley Mine, Maricopa Co., Arizona, USA

Wulfenite

Zacatecas, Mexico

Arsenopyrite

Schlaggenwald, Bohemia, Czeckoslovakia

Chalcopyrite, Fluorite

Sapucaia Mine, Galileia, Minas Gerais, Brazil

Quartz

Rancho Laguna, Chihuahua, Mexico

Quartz

Sapucaia Mine, Galileia, Minas Gerais, Brazil

Quartz

Brumado Mine, Bahia, Brazil

Epidote

Minas Gerais, Brazil

Rutile, Quartz