Lipscombite Mineral Data

General Lipscombite Information
Chemical Formula:	(Fe++,Mn)Fe+++2(PO4)2(OH)2
Composition:	Molecular Weight = 391.27 gm
	Manganese 3.51 % Mn 4.53 % MnO
	Iron 39.25 % Fe 13.77 % FeO / 40.81 % Fe₂O₃
	Phosphorus 15.83 % P 36.28 % P₂O₅
	Hydrogen 0.52 % H 4.60 % H₂O
	Oxygen 40.89 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Fe²⁺_0.75Mn²⁺_0.25Fe³⁺₂(PO₄)₂(OH)₂
Environment:	Hydrothermally altered phosphate zone of a complex granite pegmatite.
IMA Status:	Valid Species (Pre-IMA) 1953
Locality:	Sapucaia pegmatite mine, about 50 km east-southeast of Governador Valadares, Minas Gerais, Brazil Link to MinDat.org Location Data.
Name Origin:	Named for William Nunn Lipscomb (1909- ), mineralogist, University of Minnesota, Minneapolis, Minnesota, USA, who determined the crystal structure of the synthetic compound.
Name Pronunciation:	Lipscombite + Pronunciation
Synonym:	ICSD 202937
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