JADEITE


Meaning of JADEITE in English

General Information:

Chemical Formula:

Na(Al,Fe+++)Si2O6

Composition:

(Molecular Weight = 202.14 gm)

Sodium 11.37 % Na

Aluminum 13.35 % Al

Silicon 27.79 % Si

Oxygen 47.49 % O

Empirical Formula:

NaAl(Si2O6)

Environment:

Strongly metamorphosed sodium-rich serpentinous rocks

IMA Status:

Approved IMA 1987

Locality:

Clear Creek, San Benito County, California. Near Tawmaw and Hpakan villages, Upper Burma.

Name Origin:

From the Spanish, piedra de ijada, "stone of the side," because its supposed to cure kidney ailments if applied to the side of the body.

Physical Properties:

Cleavage:

[110] Good

Color:

green, white, pale bluish gray, grayish green, or pale purple.

Density:

3.25 - 3.35, Average = 3.3

Diaphaniety:

Translucent to subtranslucent

Habits:

Granular - Generally occurs as anhedral to subhedral crystals in matrix., Fibrous - Crystals made up of fibers., Massive - Fibrous - Distinctly fibrous fine-grained forms.

Hardness:

6.5 - Pyrite

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .