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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|
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