Meaning of ALUMINITE in English

ALUMINITE

General Information:

Chemical Formula:

Al2(SO4)(OH)4·7(H2O)

Composition:

(Molecular Weight = 230.13 gm)

Aluminum 11.72 % Al

Hydrogen 4.82 % H

Sulfur 13.93 % S

Oxygen 69.52 % O

Empirical Formula:

Al(SO4)(OH)·5(H2O)

Name Origin:

Named after its chemical composition.

Physical Properties:

Cleavage:

None

Color:

white or grayish white.

Density:

1.66 - 1.7, Average = 1.68

Diaphaniety:

Opaque

Habits:

Mammillary - Larger "breast-like" rounded forms resembling botryoidal (e.g. malachite)., Botryoidal - "Grape-like" rounded forms (e.g.. malachite)., Earthy - Dull, clay-like texture w ith no visible crystalline affinities, (

Hardness:

1 - Talc

Luminescence:

Fluorescent.

Luster:

Earthy (Dull)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .