Native aluminium

Mineral (as opposed to the chemical element)
(repeating unit)AlCrystal systemCubicCrystal classHexoctahedral (m3m)
H-M symbol: (4/m 3 2/m)Space groupFm3mIdentificationColorGrayish-whiteCrystal habitGranular to massive, platy, scalyTenacityMalleableMohs scale hardness2 - 3.5LusterMetallicDiaphaneityOpaqueReferences[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

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