Tisinalite Mineral Data

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General Tisinalite Information

Chemical Formula:

Na3H3(Mn++,Ca,Fe)TiSi6(O,OH)18•2(H2O)

Composition:

Molecular Weight = 669.67 gm

Sodium 10.30 % Na 13.88 % Na₂O

Calcium 1.80 % Ca 2.51 % CaO

Titanium 5.00 % Ti 8.35 % TiO₂

Manganese 4.10 % Mn 5.30 % MnO

Iron 4.17 % Fe 2.15 % FeO / 3.58 % Fe₂O₃

Silicon 25.16 % Si 53.83 % SiO₂

Hydrogen 1.20 % H 10.76 % H₂O

Oxygen 48.26 % O

______ ______

100.00 % 100.36 % = TOTAL OXIDE

Empirical Formula:

Na₃H₃Mn²⁺_0.5Ca_0.3Fe²⁺_0.2Ti_0.7Fe³⁺_0.3Si₆O_17.4(OH)_0.6·2.2(H₂O)

Environment:

Hydrothermal alteration of lomonosovite and barytolamprophyllite in alkalic pegmatites in a differentiated alkalic massif.

IMA Status:

Approved IMA 1980

Locality:

Mt. Koashva, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

For the chemical elements Ti, Si, and Na in the formula.

Name Pronunciation:

Tisinalite + Pronunciation

Tisinalite Image

Images:

Tisinalite

Comments: Yellow tisinalite in syenite pegmatite matrix.
Location: Mount Alluaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tisinalite Crystallography

Axial Ratios:

a:c = 1:1.28994

Cell Dimensions:

a = 10.14, c = 13.08, Z = 3; V = 1,164.70 Den(Calc)= 2.86

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.6(1), 3.18(0.8), 5.19(0.7),

Crystal Structure:

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Yamnova N A , Egorov-Tismenko Y K , Pekov I V , Shchegol kova L V , Crystallography Reports , 48 (2003) p.551-556, Crystal structure of tisinalite Na2(Mn,Ca)1-x(Ti,Zr,Nb,Fe3+)[Si6O8(O,OH)10], Locality: Khibiny massif, Kola Peninsula, Russia

Physical Properties of Tisinalite

Cleavage:

None

Color:

Yellow orange.

Density:

2.69

Diaphaneity:

Transparent

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Habit:

Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.

Hardness:

5 - Apatite

Luster:

Vitreous (Glassy)

Optical Properties of Tisinalite

Gladstone-Dale:

CI meas= 0.054 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.11 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2124,KPDmeas= 0.2258,KC= 0.2388
Ncalc = 1.64 - 1.68

Optical Data:

Uniaxial (-), e=1.59-1.592, w=1.624, bire=0.0320-0.0340.

Calculated Properties of Tisinalite

Electron Density:

Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Tisinalite =2.69 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Tisinalite= 4.42 barns/electron
U=PE_Tisinalite x rElectron Density= 11.84 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tisinalite is Not Radioactive

Tisinalite Classification

Dana Class:

61.01.02a.03 (61)Cyclosilicate Six-Membered Rings

(61.01)with [Si6O18] rings; possible (OH) and Al substitution

(61.01.02a)Lovozerite group (HEX and HEX-R subgroup)

61.01.02a.01 Lovozerite H4Na2Ca(Zr,Ti)[Si6O18] R 3m 3 2/m

61.01.02a.02 Kazakovite Na6MnTiSi6O18 R 3m 3 2/m

61.01.02a.03 Tisinalite Na3H3(Mn,Ca,Fe)TiSi6(O,OH)18•2(H2O) R 3m 3 2/m

61.01.02a.04 Zirsinalite Na6(Ca,Mn,Fe)Zr[Si6O18] R 3m 3 2/m

61.01.02a.05 Combeite Na2Ca2Si3O9 P 3₂21,P 3₁21 3 2

61.01.02a.06 Kapustinite! Na5.5Mn0.25ZrSi6O16(OH)2 C 2/m 2/m

Strunz Class:

09.CJ.15 09 - SILICATES (Germanates)

09.C - Cyclosilicates

09.CJ -[Si6O18]12- 6-membered single rings (sechser-Einfachringe),

09.CJ.15 Combeite Na2Ca2Si3O9 P 3₂21,P 3₁21 3 2

09.CJ.15 Kazakovite Na6MnTiSi6O18 R 3m 3 2/m

09.CJ.15 Lovozerite H4Na2Ca(Zr,Ti)[Si6O18] R 3m 3 2/m

09.CJ.15 Zirsinalite Na6(Ca,Mn,Fe)Zr[Si6O18] R 3m 3 2/m

09.CJ.15 Kapustinite! Na5.5Mn0.25ZrSi6O16(OH)2 C 2/m 2/m

09.CJ.15 Tisinalite Na3H3(Mn,Ca,Fe)TiSi6(O,OH)18•2(H2O) R 3m 3 2/m

09.CJ.15 Litvinskite! Na2([],Na,Mn)Zr[Si6O12(OH,O)6] Cm m

Other Tisinalite Information

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Tisinalite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Tisinalite

Na3H3(Mn++,Ca,Fe)TiSi6(O,OH)18•2(H2O)
Dana No: 61.01.02a.03 Strunz No: 09.CJ.15
Locality:

Notes: