Nabalamprophyllite Mineral Data

General Nabalamprophyllite Information
Chemical Formula:	Ba(Na,Ba){Na3Ti[Ti2O2Si4O14](OH,F)2}
Composition:	Molecular Weight = 810.56 gm
	Potassium 0.77 % K 0.93 % K₂O
	Barium 21.86 % Ba 24.40 % BaO
	Sodium 8.37 % Na 11.28 % Na₂O
	Strontium 0.54 % Sr 0.64 % SrO
	Calcium 0.25 % Ca 0.35 % CaO
	Magnesium 0.21 % Mg 0.35 % MgO
	Titanium 16.84 % Ti 28.09 % TiO₂
	Manganese 0.88 % Mn 1.14 % MnO
	Aluminum 0.23 % Al 0.44 % Al₂O₃
	Iron 0.55 % Fe 0.71 % FeO
	Silicon 13.58 % Si 29.06 % SiO₂
	Hydrogen 0.21 % H 1.84 % H₂O
	Oxygen 34.52 % O
	Fluorine 1.20 % F 1.20 % F
	- % F -0.50 % -O=F₂
	______ ______
	100.00 % 99.91 % = TOTAL OXIDE
Empirical Formula:	Ba_1.29Mn²⁺_0.13Na_0.11Sr_0.05Ca_0.05Na_2.84K_0.16Ti_0.85Fe²⁺_0.08Mg_0.07Ti₂O₂Si_3.92Al_0.07 O_13.83(OH)_1.66F_0.51
Environment:	Found in a peralkaline pegmatite. (lamprophyllite group; structure).
IMA Status:	Approved IMA 2004 (Dana # Added)
Locality:	Inagli alkaline-ultrabasic massif, Yakutia, Russia. Also in the Kovdor alkaline-ultrabasic massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:	Named as the Na & Ba dominant analogue of lamprophyllite.
Synonym:	IMA2001-060