Yegorovite Mineral Data

General Yegorovite Information
Chemical Formula:	Na4[Si2O4(OH)2]2•7H2O
Composition:	Molecular Weight = 526.43 gm
	Sodium 17.47 % Na 23.55 % Na₂O
	Silicon 21.34 % Si 45.65 % SiO₂
	Hydrogen 3.45 % H 30.80 % H₂O
	Oxygen 57.75 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Na₄•7(H₂O)2(Si₂O₄)2(OH)₂
Environment:	New structure type
IMA Status:	Proposed IMA 2008 (Dana # Added)
Locality:	Palitra ("Palette") pegmatite, Kedykverpakhk area of the Karnasurt underground loparite mine, Kedykverpakhk Mountain, Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:	Named for Yuriy Klavdievich Yegorov-Tismeno (1938-2007), Russian crystal chemist.
Synonym:	IMA2008-033