Aluminite Mineral Data

General Aluminite Information
Chemical Formula:	Al2(SO4)(OH)4•7(H2O)
Composition:	Molecular Weight = 344.16 gm
	Aluminum 15.68 % Al 29.63 % Al₂O₃
	Hydrogen 5.27 % H 47.11 % H₂O
	Sulfur 9.32 % S 23.26 % SO₃
	Oxygen 69.73 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Al₂(SO₄)(OH)₄•7(H₂O)
Environment:	Formed in recent or Tertiary clays, marls, and lignites by the action of sulfate solutions derived from the alteration of pyrite or marcasite on aluminous silicates.
IMA Status:	Valid Species (Pre-IMA) 1807
Locality:	Halle, Saxony, Germany. Link to MinDat.org Location Data.
Name Origin:	Named after its chemical composition.
Name Pronunciation:	Aluminite + Pronunciation
Synonym:	ICSD 2234
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