Home Erythrite
VII - Arsenates
Crystal habit of Erythrite Erythrite

Name   Erythrite
(Cobalt Bloom)
Chemistry   Co3[AsO4]2·8H2O
Hardness   2
Lustre   vitreous, pearly
Colour   colourless, violet red, light pink, purple red
Streak   pinkish red 
Density [g/cm3]   3.0
Crystal habit   monoclinic, crystals small, acicular
Cleavage, Fracture   [010] perfect, fracture uneven
other characteristics and occurrences   alteration product of cobalt minerals

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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