APJOHNITE


Meaning of APJOHNITE in English

General Information:

Chemical Formula:

MnAl2(SO4)4·22(H2O)

Composition:

(Molecular Weight = 889.49 gm)

Manganese 6.18 % Mn

Aluminum 6.07 % Al

Hydrogen 4.99 % H

Sulfur 14.42 % S

Oxygen 68.35 % O

Empirical Formula:

Mn2+Al2(SO4)4·22(H2O)

Physical Properties:

Color:

colorless, white, pale yellow, pale green, or pale pink.

Density:

1.8

Diaphaniety:

Transparent

Habits:

Fibrous - Crystals made up of fibers., Encrustations - Forms crust-like aggregates on matrix.,

Hardness:

1.5-2 - Talc-Gypsum

Luminescence:

None.

Luster:

Silky

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .