Meaning of PHILIPSBORNITE in English

PHILIPSBORNITE

General Information:

Chemical Formula:

PbAl3(AsO4)2(OH)5·(H2O)

Composition:

(Molecular Weight = 669.04 gm)

Aluminum 12.10 % Al

Arsenic 22.40 % As

Hydrogen 1.05 % H

Lead 30.97 % Pb

Oxygen 33.48 % O

Empirical Formula:

PbAl3(AsO4)2(OH)5·(H2O)

Environment:

Associated with crocoite.

IMA Status:

Approved IMA 1982

Locality:

Dundas district, TAS, Australia.

Name Origin:

Named for Helut von Philipsborn (1892-1983), Mineralogist, University of Bonn, Germany.

Physical Properties:

Cleavage:

None

Color:

colorless or gray green.

Density:

4.33

Diaphaniety:

Transparent

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).,

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous (Glassy)

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .