Hapkeite Mineral Data

General Hapkeite Information
Chemical Formula:	Fe2Si
Composition:	Molecular Weight = 93.65 gm
	Chromium 0.56 % Cr
	Iron 75.73 % Fe
	Silicon 18.59 % Si
	Nickel 3.13 % Ni
	Phosphorus 1.98 % P
	______
	100.00 %
Empirical Formula:	Fe⁰⁺_1.27Ni_0.05Cr_0.01Si_0.62P_0.06
Environment:	The new mineral is interpreted to have formed by impact-induced, vapor-phase deposition in lunar soil.
IMA Status:	Approved IMA 2004 (Dana # Added)
Locality:	Occurs in a regolith-breccia clast in the lunar meteorite Dhofar 280 from Oman. Link to MinDat.org Location Data.
Name Origin:	Named for Bruce Hapke (emeritus, University of Pittsburgh). who first predicted the presence of vapor-deposited elemental Fe as coatings on lunar soil grains.
Synonym:	IMA2003-014