General Information:
Chemical Formula:
BaCa2Al6Si9O30·2(H2O)
Composition:
(Molecular Weight = 1,148.15 gm)
Barium 11.96 % Ba
Calcium 6.98 % Ca
Aluminum 14.10 % Al
Silicon 22.02 % Si
Hydrogen 0.35 % H
Oxygen 44.59 % O
Empirical Formula:
BaCa2Al6Si9O30·2(H2O)
Environment:
Silicate mineral found in Ba-rich hydrothermal veins or fissures.
Locality:
Armen Mine, Kongsberg, Norway.
Name Origin:
The name origin for Armenite is the type locality.
Physical Properties:
Cleavage:
[010] Perfect, [110] Distinct
Color:
colorless, gray green, or white.
Density:
2.76
Diaphaniety:
Translucent
Hardness:
7.5 - Garnet
Luster:
Vitreous (Glassy)
Streak:
white
More details...