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Ingodite Mineral Data
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General Ingodite Information
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 Chemical Formula: |
Bi(S,Te) |
| Composition: |
Molecular Weight = 264.93 gm |
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Bismuth 78.88 % Bi |
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Tellurium 12.04 % Te |
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Sulfur 9.08 % S |
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______ |
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100.00 % |
| Empirical Formula: |
BiS0.75Te0.25 |
| IMA Status: |
Approved IMA 1981 |
| Locality: |
From the Ingoda deposit near the source of the Ingoda River, central Transbaikal. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality. |
| Name Pronunciation: |
Ingodite  |
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Ingodite Image |
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Images:
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Ingodite Telluronevskite Nevskite
Comments: Intergrown metallic grains of ingodite, telluronevskite, and nevskiite.
Location: Poruba pod Vihorlatom, Vihorlat Mountains, Kosice Slovak Republic.
Scale: Specimen Size 2.8 × 1.7 × 1 cm.
© Fabre Minerals |
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Ingodite Crystallography
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| Axial Ratios: |
a:c = 1:5.4661 |
| Cell Dimensions: |
a = 4.248, c = 23.22, Z = 6; V = 362.88 Den(Calc)= 7.27 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: P 3m1 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.11(1), 2.28(0.6), 2.13(0.5), |
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Physical Properties of Ingodite
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| Cleavage: |
{???} Perfect |
| Color: |
Silver white. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Hardness: |
2.5 - Finger Nail |
| Luster: |
Metallic |
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Optical Properties of Ingodite
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| RL Anisotrophism: |
Moderate. |
| RL Pleochroism: |
Noticeable in air, from creamy to grayish white. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Ingodite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 460 nm |
55.50 |
51.40 |
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| 540 nm |
57.70 |
52.50 |
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| 580 nm |
57.80 |
52.40 |
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| 660 nm |
56.90 |
51.60 |
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Calculated Relative Intensity Colors of Ingodite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
180% |
| R1 |
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| R2 |
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Calculated Properties of Ingodite
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| Electron Density: |
Bulk Density (Electron Density)=5.93 gm/cc
note: Specific Gravity of Ingodite =7.27 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEIngodite =1,602.85 barns/electron
U=PEIngodite x rElectron Density=9,500.58 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ingodite is Not Radioactive |
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Ingodite Classification
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| Dana Class: |
02.08.20.04 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.20)Tsumoite Group (Trigonal: P-3m1) |
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02.08.20.01 Tsumoite BiTe P 3m1 3 2/m |
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02.08.20.02 Sulphotsumoite Bi3Te2S P 3m1 3 2/m |
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02.08.20.03 Nevskite Bi(Se,S) P 3m1 3 2/m |
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02.08.20.04 Ingodite Bi(S,Te) P 3m1 3 2/m |
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02.08.20.05 Telluronevskite! Bi3TeSe2 P 3m1 3 2/m |
| Strunz Class: |
02.DC.05b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DC -Variable M:S |
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02.DC.05b Ingodite Bi(S,Te) P 3m1 3 2/m |
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02.DC.05b Nevskite Bi(Se,S) P 3m1 3 2/m |
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02.DC.05b Sulphotsumoite Bi3Te2S P 3m1 3 2/m |
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02.DC.05b Tsumoite BiTe P 3m1 3 2/m |
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02.DC.05b Telluronevskite! Bi3TeSe2 P 3m1 3 2/m |
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Other Ingodite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Ingodite :
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Ingodite Specimen Label here :
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Ingodite
Bi(S,Te)
Dana No: 02.08.20.04 Strunz No: 02.DC.05b
Locality:
Notes:
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