ZOISITE


Meaning of ZOISITE in English

General Information:

Chemical Formula:

Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)

Composition:

(Molecular Weight = 427.38 gm)

Calcium 18.76 % Ca

Aluminum 12.63 % Al

Silicon 19.71 % Si

Hydrogen 0.24 % H

Oxygen 48.67 % O

Empirical Formula:

Ca2Al2Si3O12(OH)

Environment:

Metamorphic and pegmatite rocks.

Locality:

Rauris and Saualpe, Austria.

Name Origin:

Named after the Austrian natural scientist, S. Zois (1747-1819).

Physical Properties:

Cleavage:

[001] Perfect

Color:

gray, apple green, brown, blue, or rose red.

Density:

3.3

Diaphaniety:

Transparent to subtranslucent

Habits:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Striated - Parallel lines on crystal surface or cleavage face., Columnar - Forms columns

Hardness:

6.5 - Pyrite

Luminescence:

None.

Luster:

Vitreous - Pearly

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .