PACHNOLITE


Meaning of PACHNOLITE in English

General Information:

Chemical Formula:

NaCaAlF6·(H2O)

Composition:

(Molecular Weight = 222.06 gm)

Sodium 10.35 % Na

Calcium 18.05 % Ca

Aluminum 12.15 % Al

Hydrogen 0.91 % H

Oxygen 7.21 % O

Fluorine 51.33 % F

Empirical Formula:

NaCaAlF6·(H2O)

Environment:

Aleration product of cryolite.

Locality:

Greenland, Ural Mountains, Russia.

Physical Properties:

Cleavage:

[001] Poor

Color:

colorless or white.

Density:

2.98

Diaphaniety:

Transparent

Habits:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Twinning Common - Crystals are usually twinned., Pseudo Orthorhombic - Crystals show an orthorhombic shape.

Hardness:

3 - Calcite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Greasy

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .