General Information:
Chemical Formula:
Al12V++++2V+++++6O37·30(H2O)
Composition:
(Molecular Weight = 1,863.75 gm)
Aluminum 17.37 % Al
Vanadium 21.87 % V
Hydrogen 3.24 % H
Oxygen 57.52 % O
Empirical Formula:
Al12V4+2V5+6O37·30(H2O)
IMA Status:
Approved IMA 1959
Locality:
Kurumsak, Kara-Tau, Kazakhstan.
Name Origin:
Named for Kanysh I. Satpaev (1899-1964), Kazakh geologist.
Physical Properties:
Cleavage:
[???] Perfect, [???] Perfect
Color:
greenish yellow or dull yellow.
Density:
2.4
Habits:
Massive - Lamellar - Distinctly foliated fine-grained forms., Granular - Generally occurs as anhedral to subhedral crystals in matrix.,
Hardness:
1.5 - Between Talc and Gypsum
Luster:
Pearly
Streak:
yellow
More details...