Tosudite Mineral Data

General Tosudite Information
Chemical Formula:	Na0,5(Al,Mg)6(Si,Al)8O18(OH)12•5(H2O)
Composition:	Molecular Weight = 973.76 gm
	Sodium 1.18 % Na 1.59 % Na₂O
	Magnesium 4.99 % Mg 8.28 % MgO
	Aluminum 13.85 % Al 26.18 % Al₂O₃
	Silicon 20.19 % Si 43.19 % SiO₂
	Hydrogen 2.28 % H 20.35 % H₂O
	Oxygen 57.51 % O
	______ ______
	100.00 % 99.59 % = TOTAL OXIDE
Empirical Formula:	Na_0.5Al₄Mg₂Si₇AlO₁₈(OH)₁₂•5(H₂O)
Environment:	Hydrothermal alteration product of tuffs, andesites, sediments, and so on.
IMA Status:	Approved IMA 1963
Locality:	Al-tosudite - Alushta, Crimea, Russia. Mg-tosudite - Kamakita mine, Aomori Prefecture, Japan. Li-tosudite - Himalaya pegmatite, San Diego County, Californina, USA. Link to MinDat.org Location Data.
Name Origin:	Named for Toshio Sudo (1911-), Japanese mineralogist and crystallographer, University of Tokyo, Japan.
Name Pronunciation:	Tosudite
Synonym:	Alushtite
	Chlorite