Meaning of ALIETTITE in English

ALIETTITE

General Information:

Chemical Formula:

(Mg,Fe++)3Si4O10(OH)2(Ca,Na)0.2-0.3(Mg,Fe++)3(Si,Al)4O10(OH)2·4(H2O)

Environment:

Low temperature environments in ancient lake sediments. Also found in low-grade Mg-rich metamorphic rocks.

IMA Status:

Approved IMA

Locality:

TL: Italy, Monte Chiaro, Taro valley. Amargosa desert region, Death Valley, California, USA.

Name Origin:

Named for Andrea Alietti (1923-), clay mineralogist.

Physical Properties:

Cleavage:

[???] Perfect

Color:

white, dark green, or buff.

Habits:

Microscopic Crystals - Crystals visible only with microscopes., Platy - Sheet forms (e.g. micas).,

Hardness:

1-2 - Between Talc and Gypsum

Luster:

Earthy (Dull)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .