BULACHITE


Meaning of BULACHITE in English

General Information:

Chemical Formula:

Al2(AsO4)(OH)3·3(H2O)

Composition:

(Molecular Weight = 297.95 gm)

Aluminum 18.11 % Al

Arsenic 25.15 % As

Hydrogen 3.04 % H

Oxygen 53.70 % O

Empirical Formula:

Al2(AsO4)(OH)3·3(H2O)

Locality:

Neubulach, northern Black Forest, Germany.

Name Origin:

Named for the locality.

Physical Properties:

Cleavage:

None

Color:

colorless, white, or light green.

Density:

2.6

Diaphaniety:

Translucent

Habits:

Acicular - Occurs as needle-like crystals., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite),

Hardness:

2 - Gypsum

Luster:

Silky

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .