Native aluminium

Aluminium
Tiny speck of native aluminium
General
CategoryNative metal
Formula
(repeating unit)
Al
Crystal systemCubic
Crystal classHexoctahedral (m3m)
H-M symbol: (4/m 3 2/m)
Space groupFm3m
Identification
ColorGrayish-white
Crystal habitGranular to massive, platy, scaly
TenacityMalleable
Mohs scale hardness2 - 3.5
LusterMetallic
DiaphaneityOpaque
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 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

[edit]
  1. ^ "Aluminium". Mindat.org. Retrieved 2016-05-26.
  2. ^ Webmineral.com
  3. ^ Mineralienatlas.de
  4. ^ a b Handbook of Mineralogy