General Information:
Chemical Formula:
KFe+++(SO4)2·(H2O)
Composition:
(Molecular Weight = 305.09 gm)
Potassium 12.82 % K
Iron 18.31 % Fe
Hydrogen 0.66 % H
Sulfur 21.02 % S
Oxygen 47.20 % O
Empirical Formula:
KFe3+(SO4)2·(H2O)
Environment:
Hydrothermally altered rocks.
Locality:
Sulfur Hole, near Borate Camp, Mule Canyon, Calico Mountains, San Bernardino Co., California.
Physical Properties:
Cleavage:
[???] Perfect, [???] Distinct
Color:
yellow green, light yellow, or lemon.
Density:
2.84
Diaphaniety:
Transparent
Hardness:
2.5 - Finger Nail
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
More details...