Meaning of CORDIERITE in English

CORDIERITE

General Information:

Chemical Formula:

Mg2Al4Si5O18

Composition:

(Molecular Weight = 584.95 gm)

Magnesium 8.31 % Mg

Aluminum 18.45 % Al

Silicon 24.01 % Si

Oxygen 49.23 % O

Empirical Formula:

Mg2Al4Si5O18

Environment:

Magmatic, metamorphic, and pegmatitic rocks.

Locality:

Bodenmais, Germany.

Name Origin:

From the French mining engineer and geologist P. L. A. Cordier (1777-1861).

Physical Properties:

Cleavage:

[010] Poor

Color:

colorless, pale blue, violet, yellow, or gray.

Density:

2.55 - 2.75, Average = 2.65

Diaphaniety:

Transparent to translucent

Habits:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Massive - Granular - Common texture observed in granite and other igneous rock.,

Hardness:

7 - Quartz

Luminescence:

None.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .