|
|
|
|
|
|
|
|
||
|
|
|||
|
|
|||
|
|
|
Name: |
erythrite |
|
|||
|
Class: |
Phosphates/Arsenates/Vanadates |
||||
|
Chemistry: |
Co3(AsO4)2 * 8H2O Hydrous Cobalt Arsenate |
||||
|
Color(s): |
peach blossom red, red-violet, magenta |
||||
|
Hardness: |
1.5-2.5 |
SpecGrav: |
3.07-3.18 |
||
|
Fracture: |
uneven |
Cleavage: |
perfect |
||
|
Crystal: |
Monoclinic (prismatic, tabular, acicular) sometimes massive |
||||
|
Envronment: |
found in oxidized zone of cobalt rich deposits, formed through alteration of cobaltite, and skutterudite. |
||||
|
Association: |
cobaltite, annabergite, malachite, azurite |
||||
|
Locals: |
| Idaho, USA | USSR | Morocco | Germany | India | South England | Canada | |
||||
|
Misc: |
From the Greek word "erythos", meaning "red". It is soluble in hot nitric acid. |
||||
|
Photos |
|||||
|
1.) Mt. Colbalt, Queensland, Aus. |
|||||
|
|
|
|
|
|
|
|
|
|
