Fluoro-alumino-magnesiotaramite Mineral Data

General Fluoro-alumino-magnesiotaramite Information
Chemical Formula:	Na(CaNa)(Mg3Al2)(Si6Al2)O22F2
Composition:	Molecular Weight = 882.71 gm
	Sodium 4.58 % Na 6.18 % Na₂O
	Calcium 5.49 % Ca 7.69 % CaO
	Magnesium 5.84 % Mg 9.68 % MgO
	Titanium 0.16 % Ti 0.27 % TiO₂
	Manganese 0.12 % Mn 0.16 % MnO
	Aluminum 9.29 % Al 17.56 % Al₂O₃
	Iron 11.45 % Fe 9.20 % FeO / 6.15 % Fe₂O₃
	Silicon 19.09 % Si 40.84 % SiO₂
	Hydrogen 0.11 % H 0.98 % H₂O
	Oxygen 41.62 % O
	Fluorine 2.24 % F 2.24 % F
	- % F -0.94 % -O=F₂
	______ ______
	100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:	Mn²⁺_0.02Na_0.99Fe²⁺_0.02Na_0.77Ca_1.21Fe²⁺_1.11Mg_2.12Al_1.04Fe³⁺_0.68Ti_0.03Si₆Al₂ O₂₂F_1.04(OH)_0.96
Environment:	Replaced the amphibole formed under high-P eclogite facies conditions (floronyb�ite) when uplift and retrogression toward amphibolite-facies conditions occurred. Amphibole group
IMA Status:	Approved IMA 2006 (Dana # Added)
Locality:	Jianchang, Su-Lu coesite-eclogite province, China Link to MinDat.org Location Data.
Name Origin:	Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Synonym:	IMA2006-025