Meaning of AGARDITE-(Y) in English

AGARDITE-(Y)

General Information:

Chemical Formula:

(Y,Ca)Cu6(AsO4)3(OH)6·3(H2O)

Composition:

(Molecular Weight = 1,030.82 gm)

Calcium 0.97 % Ca

Yttrium 6.47 % Y

Copper 36.99 % Cu

Arsenic 21.80 % As

Hydrogen 1.17 % H

Oxygen 32.59 % O

Empirical Formula:

Y0.75Ca0.25Cu6(AsO4)3(OH)6·3(H2O)

IMA Status:

Approved IMA 1969

Locality:

TL: Morocco, Bou Skour mine, Jebel Sarhro

Name Origin:

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

Physical Properties:

Color:

blue green or blue.

Density:

3.66 - 3.72, Average = 3.69

Diaphaniety:

Translucent

Habits:

Acicular - Occurs as needle-like crystals., Rosette - Bundled tabular aggregates resembling rose flower petals., Spherical - Spherical, rounded aggregates.

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous (Glassy)

Streak:

greenish white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .