NORBERGITE


Meaning of NORBERGITE in English

General Information:

Chemical Formula:

Mg3(SiO4)(F,OH)2

Composition:

(Molecular Weight = 202.00 gm)

Magnesium 36.10 % Mg

Silicon 13.90 % Si

Hydrogen 0.25 % H

Oxygen 35.64 % O

Fluorine 14.11 % F

Empirical Formula:

Mg3(SiO4)F1.5(OH)0.5

Locality:

Ostanmosoa iron mine, Norberg, Vastmanland, Sweden.

Name Origin:

Named after its locality.

Physical Properties:

Cleavage:

[???] Distinct

Color:

white, yellow, brown, or red.

Density:

3.1 - 3.2, Average = 3.15

Diaphaniety:

Transparent to translucent

Hardness:

6-6.5 - Orthoclase-Pyrite

Luminescence:

Fluorescent.

Luster:

Vitreous - Resinous

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .