Denisovite Mineral Data

General Denisovite Information
Chemical Formula:	(K,Na)Ca2Si3O8(F,OH)
Composition:	Molecular Weight = 345.98 gm
	Potassium 8.48 % K 10.21 % K₂O
	Sodium 1.66 % Na 2.24 % Na₂O
	Calcium 23.17 % Ca 32.42 % CaO
	Silicon 24.35 % Si 52.10 % SiO₂
	Hydrogen 0.07 % H 0.65 % H₂O
	Oxygen 38.15 % O
	Fluorine 4.12 % F 4.12 % F
	- % F -1.73 % -O=F₂
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	K_0.75Na_0.25Ca₂Si₃O₈F_0.75(OH)_0.25
Environment:	In nepheline syenite in a di�erentiated alkalic massif.
IMA Status:	Approved IMA 1984
Locality:	Mts. Eveslogchorr and Yukspor, Khibiny massif, Kola Peninsula, and in the Murun massif, southwest of Olekminsk, Yakutia, Russia. Link to MinDat.org Location Data.
Name Origin:	Named for Aleksander Petrovich Denisov (1918-1972), Russian specialist in X-ray investigations of minerals, of the Kola Scientific Center, Russia.
Name Pronunciation:	Denisovite + Pronunciation