Khomyakovite Mineral Data

General Khomyakovite Information
Chemical Formula:	Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3 (OH,Cl)2
Composition:	Molecular Weight = 3,349.55 gm
	Sodium 8.24 % Na 11.10 % Na₂O
	Strontium 7.85 % Sr 9.28 % SrO
	Calcium 7.18 % Ca 10.05 % CaO
	Zirconium 8.17 % Zr 11.04 % ZrO₂
	Iron 5.00 % Fe 6.43 % FeO
	Silicon 20.96 % Si 44.84 % SiO₂
	Hydrogen 0.07 % H 0.61 % H₂O
	Tungsten 5.49 % W 6.92 % WO₃
	Chlorine 0.53 % Cl 0.53 % Cl
	- % Cl -0.12 % -O=Cl₂
	Oxygen 36.52 % O
	______ ______
	100.00 % 100.68 % = TOTAL OXIDE
Empirical Formula:	Na₁₂Sr₃Ca₆Fe²⁺₃Zr₃WSi₂₅O_74.2(OH)_2.25Cl_0.5
IMA Status:	Approved IMA 1999 (Dana # Added)
Locality:	Link to MinDat.org Location Data.
Name Origin:	Named after Alexander Petrovich Khomyakov (b. 1933), of the Institute of Mineralogy, Geochemistry and Crystal Chemistry of Rare Elements, Moscow, Russia, for his extensive contribut ions to the mineralogy and geochemistr
Synonym:	IMA1998-042