Yafsoanite Mineral Data

Yafsoanite Mineral Data
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General Yafsoanite Information

Help on Chemical Formula: Chemical Formula: Ca3Te2Zn3O12
Help on Composition: Composition: Molecular Weight = 763.60 gm
   Calcium    15.75 %  Ca   22.03 % CaO
   Zinc       25.69 %  Zn   31.98 % ZnO
   Tellurium  33.42 %  Te   41.80 % TeO2
   Oxygen     25.14 %  O
             ______        ______ 
             100.00 %       95.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Te2Zn3O12
Help on Environment: Environment: Tellurium-bearing gold quartz deposit in dolomite-calcite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Kuranakh gold deposit, near Aldan, southern Sakha, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Yakutskii Filial Sibirskogo Otdeleniya Akademii Nauk (Yakut Filial, Siberian Branch, Academy of Sciences, YAFSOAN in Russian).
Help on Name Pronunciation: Name Pronunciation: Yafsoanite + Pronunciation Say YAFSOANITE
Help on Synonym: Synonym: ICSD 64791
  PDF 35-661
 

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Yafsoanite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 12.632, Z = 8; V = 2,015.66 Den(Calc)= 5.03
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.683(1), 2.58(1), 2.82(0.9),
Click Here for Large Yafsoanite Structure Window Crystal Structure:

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Rozhdestvenskaya I V , Zajakina N V , Kim A A , Mineralogiceskij Zhurnal , 6 (1984) p.75-79, Crystal structure of a zinc calcium tellurate - yafsoanite

 

Physical Properties of Yafsoanite

Help on Color: Color: Light brown, Dark brown.
Help on Density: Density: 5.55
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Yafsoanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.203 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.12 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.159,KPDmeas= 0.1441,KC= 0.1808
Ncalc = 1.91 - 2
Help on Optical Data: Optical Data: Isotropic, n=1.8.
 

Calculated Properties of Yafsoanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.61 gm/cc
note: Specific Gravity of Yafsoanite =5.03 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEYafsoanite = 127.37 barns/electron
U=PEYafsoanite x rElectron Density= 587.31 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Yafsoanite is Not Radioactive
 

Yafsoanite Classification
Help on Dana Class: Dana Class: 07.02.14.01 (07)Multiple Oxides
  (07.02)(A+ B++)2 X4 Spinel group
  (07.02.14)Dana Group
 
07.02.14.01 Yafsoanite Ca3Te2Zn3O12 I a3d 4/m 3 2/m
Help on Strunz Class: Strunz Class: 04.CC.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CC -With large and medium-sized cations
 
04.CC.25 Yafsoanite Ca3Te2Zn3O12 I a3d 4/m 3 2/m
 

Other Yafsoanite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Yafsoanite :
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
15 - WWW-MINCRYST

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Print or Cut-and-Paste your Yafsoanite Specimen Label here :

Yafsoanite

Ca3Te2Zn3O12
Dana No: 07.02.14.01 Strunz No: 04.CC.25
Locality:

 

Notes: