Kochsandorite Mineral Data

General Kochsandorite Information
Chemical Formula:	CaAl2(CO3)2(OH)4•H2O
Composition:	Molecular Weight = 295.50 gm
	Calcium 12.21 % Ca 17.08 % CaO
	Aluminum 18.26 % Al 34.50 % Al₂O₃
	Hydrogen 2.25 % H 20.12 % H₂O
	Carbon 7.72 % C 28.30 % CO₂
	Oxygen 59.56 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Ca_0.9Al₂(CO₃)_1.9(OH)₄•1.3(H₂O)
Environment:	Formed from the weathering of b�hmite, pyrite, and calcite and occur as spherical aggregates that form pale brown strings in Eocene brown coal deposits. Dresserite group.
IMA Status:	Approved IMA 2004 (Dana # Added)
Locality:	M�ny coal deposit, Tatab�nya, Hungary Link to MinDat.org Location Data.
Name Origin:	Named after S�ndor Koch, (1896-1983), professor in the Department of Mineralogy, Petrography and Geochemistry Josef Atilla University.
Synonym:	IMA2004-037