Litvinskite Mineral Data

Greenside Minerals

General Litvinskite Information
Chemical Formula:	Na2([ ],Na,Mn)Zr[Si6O12(OH,O)6]
Composition:	Molecular Weight = 618.88 gm
	Sodium      9.29 %  Na   12.52 % Na2O
	Zirconium  14.74 %  Zr   19.91 % ZrO2
	Manganese   1.33 %  Mn    1.72 % MnO
	Silicon    27.23 %  Si   58.25 % SiO2
	Hydrogen    0.88 %  H     7.86 % H2O
	Oxygen     46.53 %  O
	______        ______
	100.00 %      100.26 % = TOTAL OXIDE
Empirical Formula:	Na2Na0.5Mn2+0.15ZrSi6O12.6(OH)5.4
Environment:	Hyperagpaitic pegmatite. Lovozerite group
IMA Status:	Approved IMA 1999 (Dana # Added)
Locality:	Mount Alluaiv, Lovozero alkaline massif, Kola Penninsula, Russia. Link to MinDat.org Location Data.
Name Origin:	Named for Galina P. Litvinskaya (1920-1994), former crystallographer of the Moscow State University.
Synonym:	IMA1999-017
Litvinskite Image
Images:	Litvinskite Comments: Dark cherry-red litvinskite in matrix. Location: Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Litvinskite Crystallography
Axial Ratios:	a:b:c =1.0364:1:0.7198
Cell Dimensions:	a = 10.589, b = 10.217, c = 7.355, Z = 2; beta = 92.91° V = 794.70 Den(Calc)= 2.59
Crystal System:	Monoclinic - DomaticH-M Symbol (m) Space Group: Cm
X Ray Diffraction:	By Intensity(I/Io): 3.238(1)(130,221,112), 5.29(1)(111,200), 3.329(0.74)(112,310),7.37(0.44)(110,001), 2.981(0.39)(131,022,311)2.553(0.37)(040,222), 3.674(0.32),
Physical Properties of Litvinskite
Cleavage:	[110] Imperfect
Color:	Dark cherry red, Dark reddish brown.
Density:	2.61
Diaphaniety:	Transparent
Fracture:	Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Habit:	Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Hardness:	5 - Apatite
Luster:	Vitreous (Glassy)
Streak:	white
Optical Properties of Litvinskite
Gladstone-Dale:	CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.005 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2181,KPDmeas= 0.2165,KC= 0.2171
Optical Data:	Biaxial (-), a=1.546, b=1.574, g=1.575, bire=0.0290
Calculated Properties of Litvinskite
Electron Density:	relectron=2.57 gm/cc note: rLitvinskite =2.61 gm/cc.
Fermion Index	Fermion Index = 0.02947 Boson Index = 0.97053
Photoelectric:	PELitvinskite = 20.80 barns/electron U=PELitvinskite x relectron= 53.46 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Litvinskite is Not Radioactive
Litvinskite Classification
Dana Class:	61.1.2b.4 (61)Cyclosilicate Six-Membered Rings
	(61.1)with [Si6O18] rings; possible (OH) and Al substitution
	(61.1.2b)Lovozerite group (Ortho and MON subgroup)
	61.1.2b.1 Imandrite Na12Ca3Fe2Si12O36 Pnnm 2/m 2/m 2/m
	61.1.2b.2 Koashvite Na6(Ca,Mn)(Ti,Fe)Si6O18·(H2O) Pmnb 2/m 2/m 2/m
	61.1.2b.3 Petarasite Na5Zr2Si6O18(Cl,OH)·2(H2O) P 21/m 2/m
	61.1.2b.4 Litvinskite ! Na2([],Na,Mn)Zr[Si6O12(OH,O)6] Cm m
Strunz Class:	VIII/E.16-25 VIII - Silicates
	VIII/E - Cyklosilicates, six rings [Si6O18]12-
	VIII/E.16 - Lovozerite group
	VIII/E.16-10 Imandrite Na12Ca3Fe2Si12O36 Pnnm 2/m 2/m 2/m
	VIII/E.16-20 Kazakovite Na6MnTiSi6O18 R 3m 3 2/m
	VIII/E.16-23 Kapustinite! Na5.5Mn0.25ZrSi6O16(OH)2 C 2/m 2/m
	VIII/E.16-25 Litvinskite Na2([],Na,Mn)Zr[Si6O12(OH,O)6] Cm m
	VIII/E.16-30 Lovozerite H4Na2Ca(Zr,Ti)[Si6O18] R 3m 3 2/m
	VIII/E.16-40 Zirsinalite Na6(Ca,Mn,Fe)Zr[Si6O18] R 3m 3 2/m
	VIII/E.16-50 Koashvite Na6(Ca,Mn)(Ti,Fe)Si6O18·(H2O) Pmnb 2/m 2/m 2/m
	VIII/E.16-60 Tisinalite Na3H3(Mn,Ca,Fe)TiSi6(O,OH)18·2(H2O) R 3m 3 2/m
	VIII/E.16-70 Petarasite Na5Zr2Si6O18(Cl,OH)·2(H2O) P 21/m 2/m
Other Litvinskite Information
References:	NAME( AmMin, v 86, p 377) PHYS. PROP.(AmMin, v 86, p 377) OPTIC PROP.(AmMin, v 86, p 377)
See Also:	Links to other databases for Litvinskite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas 10 - WWW-MINCRYST Search for Litvinskite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Litvinskite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Litvinskite Mineral Data : Ask about Litvinskite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español Print or Cut-and-Paste your Litvinskite Specimen Label here : Litvinskite Na2([ ],Na,Mn)Zr[Si6O12(OH,O)6] Dana No: 61.1.2b.4 Strunz No: VIII/E.16-25 Locality:   Notes: