GAULTITE


Meaning of GAULTITE in English

General Information:

Chemical Formula:

Na4Zn2Si7O18·5(H2O)

Composition:

(Molecular Weight = 797.40 gm)

Sodium 11.53 % Na

Zinc 16.40 % Zn

Silicon 24.65 % Si

Hydrogen 1.26 % H

Oxygen 46.15 % O

Empirical Formula:

Na4Zn2Si7O18·5(H2O)

Environment:

In a cavity in a sodalite syenite xenolith near a contact of hornfels and nepheline-sodalite syenite.

IMA Status:

Approved IMA

Locality:

Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada.

Name Origin:

Named after Robert Allan Gault (1943- ) of the Canadian Museum of Nature.

Physical Properties:

Cleavage:

[101] Perfect, [010] Perfect, [021] Poor

Color:

colorless or pale mauve.

Density:

2.52

Diaphaniety:

Transparent

Habits:

Crystalline - Fine - Occurs as well-formed fine sized crystals., ,

Hardness:

6 - Orthoclase

Luminescence:

Fluorescent, Short UV=bright green.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .