Tazheranite Mineral Data
General Tazheranite Information
Chemical Formula:
CaTiZr2O8
Composition:
Molecular Weight = 398.40 gm
Calcium 10.06 % Ca 14.08 % CaO
Zirconium 45.80 % Zr 61.86 % ZrO2
Titanium 12.02 % Ti 20.05 % TiO2
Oxygen 32.13 % O
______ ______
100.00 % 95.98 % = TOTAL OXIDE
Empirical Formula:
CaTiZr2 O8
Environment:
Within bands of periclase-brucite marbles. Cubic modification of baddeleyite (ZrO2).
IMA Status:
Approved IMA 1969
Locality:
Tazheran alkalic massif., W of Lake Baikal, Siberia, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Name Pronunciation:
Tazheranite + Pronunciation
Synonym:
Arkelite - Tazheranite, name originally used for synthetic material.
Tazheranite Image
Images:
Tazheranite
Comments: Brown grain of tazheranite in matrix.
Location: Tazheran Massif, Lake Baikal area, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia.
Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag
Tazheranite Crystallography
Cell Dimensions:
a = 5.111, Z = 1; V = 133.51 Den(Calc)= 4.95
Crystal System:
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
X Ray Diffraction:
By Intensity(I/Io ): 1.539(1), 1.804(1), 2.94(1),
Physical Properties of Tazheranite
Cleavage:
None
Color:
Yellow orange, Cherry red, Red, Red orange.
Density:
5.01
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
7.5 - Garnet
Luminescence:
Non-fluorescent.
Luster:
Adamantine - Greasy
Magnetism:
Nonmagnetic
Streak:
white
Optical Properties of Tazheranite
Gladstone-Dale:
CI meas = -0.128 (Poor) - where the CI = (1-KPDmeas /KC ) CI calc = -0.142 (Poor) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2727,KPDmeas = 0.2695,KC = 0.2389 Ncalc = 2.18 - 2.2
Optical Data:
Isotropic, n=2.35.
Calculated Properties of Tazheranite
Electron Density:
Bulk Density (Electron Density)=4.68 gm/cc note: Specific Gravity of Tazheranite =5.01 gm/cc.
Fermion Index:
Fermion Index = 0.06 Boson Index = 0.94
Photoelectric:
PETazheranite = 66.40 barns/electronU=PETazheranite x r Electron Density= 310.64 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tazheranite is Not Radioactive
Tazheranite Classification
Dana Class:
04.04.13.01 (04) Simple Oxides
(04.04) with a cation charge of 4+ (A++++ O2)
(04.04.13) Dana Group
04.04.13.01 Tazheranite CaTiZr2O8 F m3m 4/m 3 2/m
04.04.13.02 Srilankite (Ti,Zr)O2 P bcn 2/m 2/m 2/m
Strunz Class:
04.DL.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
04.D - Metal:Oxygen = 1:2 and similar
04.DL -With large (� medium-sized) cations; fluorite-type structures
04.DL.10 Calzirtite CaZr3TiO9 P bca 2/m 2/m 2/m
04.DL.10 Hiarneite ! (Ca,Mn,Na)2(Zr,Mn)5(Sb,Ti,Fe)2O16 I 41 /acd 4/m 2/m 2/m
04.DL.10 Tazheranite CaTiZr2O8 F m3m 4/m 3 2/m
Other Tazheranite Information
References:
NAME( Dana8) PHYS. PROP.(AmMin, V84) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Tazheranite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
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Print or Cut-and-Paste your Tazheranite Specimen Label here :
Tazheranite
CaTiZr2O8
Dana No: 04.04.13.01 Strunz No: 04.DL.10
Locality:
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