General Information:
Chemical Formula:
Fe+++2(SO4)3·6(H2O)
Composition:
(Molecular Weight = 507.98 gm)
Iron 21.99 % Fe
Hydrogen 2.38 % H
Sulfur 18.94 % S
Oxygen 56.69 % O
Empirical Formula:
Fe3+2(SO4)3·6(H2O)
Environment:
Formed as the result of a mine fire.
Locality:
United Verde mine, Jerome, Arizona, USA.
Name Origin:
Named for Carl Lausen, U. S. Mining engineer, who first described the species.
Physical Properties:
Color:
white.
Habits:
Fibrous - Crystals made up of fibers., ,
Luminescence:
Non-fluorescent.
Luster:
Silky
Streak:
white
More details...