Bieberite

A variety of Minerals

Bieberite specimen - rock identification

What is Bieberite?

Bieberite (CoSO4 · 7H2O) is a pinkish red colored sulfate mineral high in cobalt content. The name is derived from the type locality at the copper deposit in Bieber, Hesse, Germany. It has been described and reported as far back as the 1700s. Bieberite primarily occurs as a secondary mineral, forming in cobalt-bearing arsenide and sulfide deposits through oxidation. Natural bieberite crystals may have a small amount of cobalt lattice sites instead occupied by magnesium and copper (Palache et al., 1960).

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Bieberite Localities Map

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North ZoneCentral RidgeSouth Basin

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Quick Facts

Physical Properties

Color
Red-pink, flesh-red; colourless to pale rose in transmitted light.
Hardness (Mohs)
2
Density
1.83 g/cm³

Chemical Properties

Chemical Formula
CoSO4 · 7H2O
Elements
Co, H, O, S

Also Known As

BieberiteBiebriteCobalt-melanteriteRhodhalite
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