Ernienickelite Mineral Data

General Ernienickelite Information
Chemical Formula:	NiMn++++3O7•3(H2O)
Composition:	Molecular Weight = 389.55 gm
	Manganese 42.31 % Mn 66.95 % MnO₂
	Nickel 15.07 % Ni 19.17 % NiO
	Hydrogen 1.55 % H 13.87 % H₂O
	Oxygen 41.07 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	NiMn⁴⁺₃O₇•3(H₂O)
Environment:	Cavities in chalcedony in a laterized dunite.
IMA Status:	Approved IMA 1994
Locality:	SM7 open pit N of Siberia, Kalgoorlie district, WA, Australia. Link to MinDat.org Location Data.
Name Origin:	Named for Ernest (Ernie) Henry Nickel (1925-), Canadian-Australian mineralogist, Commonwealth Scientific and Industrial Research Organization (CISRO) and International Mineralogical Association (IMA).
Name Pronunciation:	Ernienickelite + Pronunciation
Synonym:	IMA1993-002