DURANGITE


Meaning of DURANGITE in English

General Information:

Chemical Formula:

NaAl(AsO4)F

Composition:

(Molecular Weight = 207.89 gm)

Sodium 11.06 % Na

Aluminum 12.98 % Al

Arsenic 36.04 % As

Oxygen 30.78 % O

Fluorine 9.14 % F

Empirical Formula:

NaAl(AsO4)F

Physical Properties:

Cleavage:

[???] Indistinct, [110] Distinct

Color:

light yellow, dark green, orange red, or red.

Density:

3.9

Diaphaniety:

Translucent

Hardness:

5.5 - Knife Blade

Luster:

Vitreous (Glassy)

Streak:

yellow

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .