Meaning of ALBITE in English

ALBITE

General Information:

Chemical Formula:

NaAlSi3O8

Composition:

(Molecular Weight = 263.02 gm)

Sodium 8.30 % Na

Calcium 0.76 % Ca

Aluminum 10.77 % Al

Silicon 31.50 % Si

Oxygen 48.66 % O

Empirical Formula:

Na0.95Ca0.05Al1.05Si2.95O8

Environment:

Magmatic and pegmatitic rocks.

Locality:

TL: USA, VA, Amelia. Bourg d'Oisans and Isere, France.

Name Origin:

From the Latin, albus, in allusion to the common color.

Physical Properties:

Cleavage:

[001] Perfect, [010] Good

Color:

white, gray, greenish gray, bluish green, or gray.

Density:

2.61 - 2.63, Average = 2.62

Diaphaniety:

Transparent to translucent to subtranslucent

Habits:

Blocky - Crystal shape tends to be equant (e.g. feldspars)., Striated - Parallel lines on crystal surface or cleavage face., Granular - Generally occurs as anhedral to subhedral cryst als in matrix.

Hardness:

7 - Quartz

Luminescence:

None.

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .