Nepskoeite Mineral Data

General Nepskoeite Information
Chemical Formula:	Mg4Cl(OH)7•6(H2O)
Composition:	Molecular Weight = 359.82 gm
	Magnesium 27.02 % Mg 44.81 % MgO
	Hydrogen 5.32 % H 47.56 % H₂O
	Chlorine 9.85 % Cl 9.85 % Cl
	- % Cl -2.22 % -O=Cl₂
	Oxygen 57.81 % O
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Mg₄Cl(OH)₇•6(H₂O)
Environment:	Marine potash-bearing salt bed associated with anhydrite-halite rocks. Chemically similar to korshunovskite.
IMA Status:	Approved IMA 1998 (Dana # Added)
Locality:	The Asia Nepskoe salt deposit, Nepa river basin in the northern part of Lower Tunguska, Eastern Siberia, Russia. Link to MinDat.org Location Data.
Name Origin:	Named after it's location.
Synonym:	IMA1996-016