Mineral Information and Data:

Aluminium
Al [CNMNC approved formula]

Named as aluminum by Humphry Davy, who discovered the element.

IMA status : Approved Species 1978 (IMA1980-085a)
CLASSIFICATION 
Dana
(8th edition) :
01.01.01.05  
  (01) Native Elements
  (01.01) with metallic elements other than the platinum group
  (01.01.01) Gold group
  
Nickel-Strunz
(10th edition) :
01.AA.05
  (01) Elements
  (01.A) Metals and Intermetallic Alloys
  (01.AA) Copper-cupalite family
  
Crystal system: Cubic System
Point group (H-M): m3m (or 4/m 3 2/m) — hexoctahedral
Unit cell: a = a = 4.04 Å
Crystal Habit: Typically granular massive, may be platy or scaly, to 1 mm.
  
Color: Grayish white
Diaphaneity: Opaque
Luster: Metallic
Hardness (Mohs): 1.5
Measured Density: 2.707 g/cm3
Tenacity: Malleable
  
Geologic Setting: In a gabbro-dolerite massif (Billeekh intrusion, Russia); in aluminum-rich rocks; in high-temperature hydrothermal Sn–W deposits and their alteration zones; in volcanic ash.
Mineral Association: Cu, Zn, Sn, Pb, Cd, Fe, Sb, moissanite (Billeekh intrusive, Russia); magnetite, ilmenite, hematite, pyrite, iron (Tolbachik volcano, Russia); Cu, S, jarosite (Getang, China)
  
Synonyms/varieties: Aluminum

 

Aluminium
Micronuggets of native Aluminium (silvery white color)
in Magnetite (black) matrix.
Origin: Bulla Island (Bulli Island; Ostrov Bulla ; Khara-Zire), Caspian Sea, Qobustan (Gobustan; Kobustan) District, Azerbaijan
Photo: © Pavel M. Kartashov

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