Specimens

Cave-in-Rock, Hardin Co., Illinois, USA

Fluorite

Cave-in-Rock, Hardin Co., Illinois, USA

Fluorite

Huanggang Mine, Inner Mongolia, China

Calcite, Hedenbergite, Quartz

Kertch, Crimea, Ukraine

Vivianite

Western Sahara, Morocco

Western Sahara, Morocco

Blue on Black Claim, Crystal Peak, Teller Co., Colorado, USA

Microcline

Imilchil, Errachidia, Morocco

Patagonia, Argentina

Quartz

El Gaudro Mine, Talampaya, La Rioja Prov., Argentina

Fluorite

Bou Azzer, Oarzazate Prov., Morocco

Calcite

Tamber Springs, NSW, Australia

Quartz, Stellerite

Acari Mine, Caraveli Prov., Peru

Chrysocolla, Quartz

Siglo Veinte Mine, Llallagua, Potosi Dept., Bolivia

Vivianite

Alacam Mine, Dursunbey, Marmara Region, Turkey

Calcite, Quartz

Mina Navidad, Rodeo, Durango, Mexico

Fluorite, Creedite

Itos Mine, Oruro, Bolivia

Franckeite, Zinkenite

Catamarca, Argentina

Rhodochrosite

Gordonsville Mine, Smith Co., Tennessee, USA

Sphalerite, Fluorite

Ichocollo Mine, Monserrat-Antequera mining district, Poopo Province, Oruro, Bolivia

Vivianite

Cut 62, Twin Creeks Mine, Humboldt Co., Nevada, USA

Orpiment

Mina Ojuela, Mapimi, Durango, Mexico

Adamite

Buick Mine, Viburnum Trend, Missouri, USA

Galena

Mina Ojuela, Mapimi, Durango, Mexico

Mimetite

Green's Farm locality, Roxbury, Litchfield Co., Connecticut, USA

Almandine