Petersite-(Y) Mineral Data

General Petersite-(Y) Information
Chemical Formula:	(Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6•3(H2O)
Composition:	Molecular Weight = 927.20 gm
	Calcium 0.43 % Ca 0.60 % CaO
	Cerium 4.53 % Ce 5.31 % Ce₂O₃
	Yttrium 4.79 % Y 6.09 % Y₂O₃
	Copper 41.12 % Cu 51.47 % CuO
	Phosphorus 10.02 % P 22.96 % P₂O₅
	Hydrogen 1.30 % H 11.66 % H₂O
	Neodymium 1.56 % Nd 1.81 % Nd₂O₃
	Oxygen 36.24 % O
	______ ______
	100.00 % 99.91 % = TOTAL OXIDE
Empirical Formula:	Y_0.5Ce_0.3Nd_0.1Ca_0.1Cu₆(PO₄)₃(OH)₆•3(H₂O)
Environment:	Brecciated hornfels in a traprock quarry.
IMA Status:	Approved IMA 1982
Locality:	Laurel (Big Snake) Hill, Secaucus, Hudson County, New Jersey, USA. Link to MinDat.org Location Data.
Name Origin:	Named for Thomas A. Peters (1947-) and Joseph Peters (1951-), curators of minerals at the Paterson, New Jersey museum and the American Museum of Natural History, New York, respecti vely.
Name Pronunciation:	Petersite-(Y) + Pronunciation