Fluocerite-(La) Mineral Data

General Fluocerite-(La) Information
Chemical Formula:	(La,Ce)F3
Composition:	Molecular Weight = 196.02 gm
	Lanthanum 63.78 % La 74.79 % La₂O₃
	Cerium 7.15 % Ce 8.37 % Ce₂O₃
	Fluorine 29.08 % F 29.08 % F
	- % F -12.24 % -O=F₂
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	La_0.9Ce_0.1F₃
Environment:	In hydrothermal quartz veins in granite.
IMA Status:	Approved IMA 1969
Locality:	Central Kazakhstan. Link to MinDat.org Location Data.
Name Origin:	Named after its chemical composition containing fluorine (Latin, fluere = "to flow") and cerium (Named after the asteroid Ceres) with the modifier La-lanthanum (Greek, lanthanein = "to lie hidden").
Name Pronunciation:	Fluocerite-(La) + Pronunciation
Synonym:	Fluocerite
	ICSD 3
	PDF 32-483