Native aluminium

Aluminium
General
Category Native metal
Formula
(repeating unit)		 Al
Crystal system Cubic
Crystal class Hexoctahedral (m3m)
H-M symbol: (4/m 3 2/m)
Space group Fm3m
Identification
Color Grayish-white
Crystal habit Granular to massive, platy, scaly
Tenacity Malleable
Mohs scale hardness 2 - 3.5
Luster Metallic
Diaphaneity Opaque
References [1][2][3][4]

Native aluminium (IMA1980-085a) is a natural occurrence of aluminium metal. Its (co)-type localities are the Billeekh intrusion and the dike OB-255, Sakha Republic.

In the a gabbro-dolerite of the Billeekh intrusion it occurs with copper, zinc, tin, lead, cadmium, iron, antimony and moissanite. In the occurrence in the Tolbachik volcano in Russia it occurs with magnetite, ilmenite, hematite, pyrite and native iron. In the Getang, Guizhou Province, China, occurrence it occurs with copper, sulfur and jarosite.[4]

References

  1. ↑ "Aluminium". Mindat.org. Retrieved 2016-05-26.
  2. ↑ Webmineral.com
  3. ↑ Mineralienatlas.de
  4. 1 2 Handbook of Mineralogy
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