Meaning of NEPOUITE in English

NEPOUITE

General Information:

Chemical Formula:

Ni3Si2O5(OH)4

Composition:

(Molecular Weight = 380.27 gm)

Silicon 14.77 % Si

Nickel 46.30 % Ni

Hydrogen 1.06 % H

Oxygen 37.87 % O

Empirical Formula:

Ni3Si2O5(OH)4

Environment:

Nickel-bearing laterite deposits.

Locality:

Reis II mine, Nepoui, New Caledonia.

Name Origin:

Named after its locality.

Physical Properties:

Cleavage:

[001] Good, [010] Good

Color:

pale green or deep green.

Density:

2.5 - 3.2, Average = 2.85

Diaphaniety:

Translucent to subtranslucent

Habits:

Platy - Sheet forms (e.g. micas)., Pseudo Hexagonal - Crystals show a hexagonal outline.,

Hardness:

2-2.5 - Gypsum-Finger Nail

Luster:

Vitreous - Pearly

Streak:

greenish white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .