Meaning of AGARDITE-(LA) in English

AGARDITE-(LA)

General Information:

Chemical Formula:

(La,Ca)Cu6(AsO4)3(OH)6·3(H2O)

Composition:

(Molecular Weight = 1,068.32 gm)

Calcium 0.94 % Ca

Lanthanum 9.75 % La

Copper 35.69 % Cu

Arsenic 21.04 % As

Hydrogen 1.13 % H

Oxygen 31.45 % O

Empirical Formula:

La0.75Ca0.25Cu6(AsO4)3(OH)6·3(H2O)

IMA Status:

Approved IMA (Dana # Added)

Locality:

TL: USA, NM, Lincoln Co, Red Cloud mn

Name Origin:

Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.

Physical Properties:

Color:

colorless, yellowish green, or blue.

Density:

3.72

Diaphaniety:

Transparent

Habits:

Acicular - Occurs as needle-like crystals., ,

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous (Glassy)

Streak:

greenish white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .