Aeschynite-(Ce) Mineral Data

General Aeschynite-(Ce) Information
Chemical Formula:	(Ce,Ca,Fe)(Ti,Nb)2(O,OH)6
Composition:	Molecular Weight = 305.70 gm
	Calcium 3.93 % Ca 5.50 % CaO
	Cerium 27.50 % Ce 32.21 % Ce₂O₃
	Titanium 27.41 % Ti 45.73 % TiO₂
	Niobium 7.60 % Nb 10.87 % Nb₂O₅
	Iron 1.83 % Fe 2.35 % FeO
	Hydrogen 0.33 % H 2.95 % H₂O
	Oxygen 31.40 % O
	______ ______
	100.00 % 99.61 % = TOTAL OXIDE
Empirical Formula:	Ce_0.6Ca_0.3Fe²⁺_0.1Ti_1.75Nb_0.25O₅(OH)
Environment:	Nepheline syenite rocks.
IMA Status:	Valid Species (Pre-IMA) 1828
Locality:	Russia, Chelyabinsk, Il'men Mountians. Link to MinDat.org Location Data.
Name Origin:	Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents.
Name Pronunciation:	Aeschynite-(Ce) + Pronunciation
Synonym:	Eschynite
	ICSD 20600
	PDF 15-864