Frondelite Mineral Data

General Frondelite Information
Chemical Formula:	Mn++Fe+++4(PO4)3(OH)5
Composition:	Molecular Weight = 648.28 gm
	Manganese 8.47 % Mn 10.94 % MnO
	Iron 34.46 % Fe 49.27 % Fe₂O₃
	Phosphorus 14.33 % P 32.84 % P₂O₅
	Hydrogen 0.78 % H 6.95 % H₂O
	Oxygen 41.96 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Mn²⁺Fe³⁺₄(PO₄)₃(OH)₅
IMA Status:	Valid Species (Pre-IMA) 1949
Locality:	Sapucaia pegmatite, Conselheiro Pe�a, Galileia, Minas Gerais, Brazil Link to MinDat.org Location Data.
Name Origin:	Named for Clifford Frondel (1907-2002), one of the founders of Mineralogical Society of America and one of the authors of Dana's Mineralogy, 7th edition.
Name Pronunciation:	Frondelite + Pronunciation