Native aluminium

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.

Aluminium
Tiny speck of native 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]

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]