Coskrenite-(Ce) Mineral Data

General Coskrenite-(Ce) Information
Chemical Formula:	(Ce,Nd,La)2(SO4)2(C2O4)•8(H2O)
Composition:	Molecular Weight = 706.61 gm
	Lanthanum 5.90 % La 6.92 % La₂O₃
	Cerium 21.81 % Ce 25.55 % Ce₂O₃
	Hydrogen 2.28 % H 20.40 % H₂O
	Carbon 3.40 % C 10.19 % C₂O₃
	Sulfur 9.08 % S 22.66 % SO₃
	Neodymium 12.25 % Nd 14.29 % Nd₂O₃
	Oxygen 45.28 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Ce_1.1Nd_0.6La_0.3(SO₄)₂(C₂O₄)•8(H₂O)
Environment:	Associated with epsomite and "hair salts" in soil sheltered by an overhanging bluff. The sulfate is from the oxidation of pyritiferous shales in the bedrock.
IMA Status:	Approved IMA 1996 (Dana # Added)
Locality:	Alum Cave Bluff, Tennessee, USA. Link to MinDat.org Location Data.
Name Origin:	Named for T. Dennis Coskren (1942-), geologist from Columbia, Maryland, whose work was instrumental in the discovery to the mineral.
Synonym:	IMA1996-056