Waterhouseite Mineral Data

General Waterhouseite Information
Chemical Formula:	Mn7(PO4)2(OH)8
Composition:	Molecular Weight = 727.16 gm
	Manganese 55.00 % Mn 71.02 % MnO
	Vanadium 0.28 % V 0.50 % V₂O₅
	Arsenic 0.72 % As 1.11 % As₂O₅
	Phosphorus 7.71 % P 17.67 % P₂O₅
	Hydrogen 1.08 % H 9.67 % H₂O
	Oxygen 35.20 % O
	______ ______
	100.00 % 99.97 % = TOTAL OXIDE
Empirical Formula:	Mn²⁺_7.28P_1.81As_0.07V⁵⁺_0.041.92(O₄)(OH)_7.81O_0.51
Environment:	Occurs in cavities in a matrix consisting of hematite, hausmannite, barite, manganoan calcite and rhodochrosite from the 130-meter level on the eastern side of the Iron Monarch mine , a Proterozoic sedimentary iron ore d
IMA Status:	Approved IMA 2004 (Dana # Added)
Locality:	Iron Monarch quarry, Iron Knob, South Australia Link to MinDat.org Location Data.
Name Origin:	Named after Frederick George Waterhouse (1815-1898), first Director of the South Australian Museum (Adelaide) and celebrates the continuing work of the Waterhouse Club,
Synonym:	IMA2004-035