Quintinite-2H Mineral Data

General Quintinite-2H Information
Chemical Formula:	Mg4Al2(OH)12CO3•4(H2O)
Composition:	Molecular Weight = 487.34 gm
	Magnesium 19.95 % Mg 33.08 % MgO
	Aluminum 11.07 % Al 20.92 % Al₂O₃
	Hydrogen 4.14 % H 36.97 % H₂O
	Carbon 2.46 % C 9.03 % CO₂
	Oxygen 62.38 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Mg₄Al₂(OH)₁₂(CO₃)•4(H₂O)
Environment:	Related to caresite-2H, charmarite-2H and charmarite-3T.
IMA Status:	Approved IMA 1995
Locality:	Found in the Jacupiranga mine, S�o Paulo, Brazil. Link to MinDat.org Location Data.
Name Origin:	Named after Quintin Wight (b. 1935), of Ottawa, Ontario, Canada, significant contributor to mineral studies at Mont Saint-Hilaire, and author of The Complete Book of micromounting ( 1993).
Name Pronunciation:	Quintinite-2H + Pronunciation
Synonym:	IMA1992-028