FRIEDELITE


Meaning of FRIEDELITE in English

General Information:

Chemical Formula:

Mn8Si6O15(OH,Cl)10

Composition:

(Molecular Weight = 1,064.20 gm)

Manganese 41.30 % Mn

Silicon 15.83 % Si

Hydrogen 0.71 % H

Chlorine 8.33 % Cl

Oxygen 33.83 % O

Empirical Formula:

Mn2+8Si6O15(OH)7.5Cl2.5

Environment:

Metamorphosed manganese ore deposits.

Locality:

Adervielle, Hautes Pyrenees, France.

Physical Properties:

Cleavage:

[010] Perfect

Color:

brown, brown red, yellow, light pink, or dark red.

Density:

3.07

Diaphaniety:

Transparent to translucent

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., Tabular - Form dimensions are thin in one direction.,

Hardness:

4-5 - Fluorite-Apatite

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

pink

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .