Smirnite Mineral Data (original) (raw)

General Smirnite Information

Help on Chemical Formula: Chemical Formula:

Bi2Te++++O5

Help on Composition: Composition:

Molecular Weight = 625.56 gm

Bismuth 66.81 % Bi 74.49 % Bi2O3

Tellurium 20.40 % Te 25.51 % TeO2

Oxygen 12.79 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Bi2TeO5

Help on Environment: Environment:

Secondary mineral in a tellurium-bearing sulfide deposit.

Help on IMA Status: IMA Status:

Approved IMA 1984

Help on Locality: Locality:

Zod deposit, Armenia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Vladimir Ivanovich Smirnov (1910-1988), Russian economic geologist and department chairman, University of Moscow.

Help on Name Pronunciation: Name Pronunciation:

Smirnite Say SMIRNITE

Help on Synonym: Synonym:

ICSD 36446

PDF 38-420

Smirnite Image

Click Here for Larger Smirnite Image in a New Browser Window Images:

Click Here for Larger Smirnite Image Smirnite Tsumoite Comments: Grayish to olive-green crusts of smirnite over quartz and metallic-grey tsumoite. Smirnite composition is (Bi1.98Pb.02)2.00Te1.00O4.99. Location: Shilovo-Isetskii mine, Ekaterinburg (Sverdlovsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia. Ex Fedor V. Chukhrov specimen collected before WWII.Scale: Picture Size 12x10 mm. © Pavel M. Kartashov

Smirnite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =2.9833:1:2.1003

Help on Cell Dimensions: Cell Dimensions:

a = 16.447, b = 5.513, c = 11.579, Z = 8; V = 1,049.89 Den(Calc)= 7.91

Help on Crystal System: Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Cm2a

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.226(1), 2.89(0.6), 1.727(0.3),1.992(0.3), 1.996(0.3), 1.668(0.2), 2.74(0.2), 2.75(0.2),

Click Here for Large Smirnite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
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Help on Above

| | Mercurio D , El Farissi M , Frit B , Goursat P , Materials Chemistry and Physics , 9 (1983) p.467-476, Etude structurale et densification d un nouveau materiau piezoelectrique: Bi2TeO5, Locality: synthetic | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Smirnite

Help on Cleavage: Cleavage:

{001} Perfect

Help on Color: Color:

Colorless, Light gray, Light yellow.

Help on Density: Density:

7.78

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Fracture: Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Help on Habit: Habit:

Encrustations - Forms crust-like aggregates on matrix.

Help on Habit: Habit:

Tabular - Form dimensions are thin in one direction.

Help on Hardness: Hardness:

3.5-4 - Copper Penny-Fluorite

Help on Luster: Luster:

Adamantine

Help on Streak: Streak:

white

Optical Properties of Smirnite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.081 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.063 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1757,KPDmeas= 0.1787,KC= 0.1652
Ncalc = 2.29 - 2.31

Help on Optical Data: Optical Data:

Biaxial (+), a=2.35, b=2.36, g=2.46, bire=0.1100, 2V(Calc)=38, 2V(Meas)=35-40.

Help on RL Anisotrophism: RL Anisotrophism:

Strong.

Help on RL Color: RL Color:

Pale gray, darkens on exposure to sunlight.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Smirnite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
400 nm 20.70 19.10
420 nm 20.50 18.80
440 nm 20.00 18.10
460 nm 19.70 17.80
480 nm 19.40 17.50
500 nm 19.30 17.50
520 nm 19.30 17.40
540 nm 19.20 17.40
560 nm 19.10 17.30
580 nm 19.00 17.20
600 nm 18.80 17.00
620 nm 18.70 16.80
640 nm 18.50 16.70
660 nm 18.30 16.50
680 nm 18.20 16.30
700 nm 18.00 16.30

Calculated Relative Intensity Colors of Smirnite in Air

RelativeIntensity 0% 60% 100% 120% 180% 240% 300% 360% 420% 480% 520%
R1
R2

Calculated Properties of Smirnite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=6.52 gm/cc
note: Specific Gravity of Smirnite =7.91 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PESmirnite =1,379.41 barns/electron
U=PESmirnite x rElectron Density=9,000.21 barns/cc.

Help on Radioactivity: Radioactivity:

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

Smirnite Classification

Help on Dana Class: Dana Class:

34.01.08.01 (34)Selenites - Tellurites - Sulfites

(34.01)as A++ XO3

(34.01.08)Dana Group

34.01.08.01 Smirnite Bi2TeO5 Cm2a mm2

Help on Strunz Class: Strunz Class:

04.JK.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.J - Arsenites, Antimonites, Bismuthites, Sulfites,

04.JK -Tellurites without additional anions, without H2O

04.JK.40 Smirnite Bi2TeO5 Cm2a mm2

Other Smirnite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic5)

Help on See Also: See Also:

Links to other databases for Smirnite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Smirnite

Bi2Te++++O5
Dana No: 34.01.08.01 Strunz No: 04.JK.40
Locality:

Notes: