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Altaite Mineral Data
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General Altaite Information
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 Chemical Formula: |
PbTe |
| Composition: |
Molecular Weight = 334.80 gm |
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Tellurium 38.11 % Te |
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Lead 61.89 % Pb |
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______ |
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100.00 % |
| Empirical Formula: |
PbTe |
| Environment: |
Hydrothermal vein gold deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1845 |
| Locality: |
Ziryanovsk in the Altai Mountains, Siberia. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. |
| Name Pronunciation: |
Altaite  |
| Synonym: |
ICSD 38295 |
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PDF 38-1435 |
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Altaite Image |
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Images:
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Images:
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Images:
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Altaite Crystallography
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| Cell Dimensions: |
a = 6.452, Z = 4; V = 268.59 Den(Calc)= 8.28 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.23(1), 2.28(0.8), 1.442(0.5), |
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Physical Properties of Altaite
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| Cleavage: |
{001} Perfect, {010} Perfect, {100} Perfect |
| Color: |
Tin white, Yellowish tin white, Bronze yellow. |
| Density: |
8.1 - 8.2, Average = 8.14 |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
| Habit: |
Euhedral Crystals - Occurs as well-formed crystals showing good external form. |
| Habit: |
Massive - Granular - Common texture observed in granite and other igneous rock. |
| Hardness: |
2.5 - Finger Nail |
| Luminescence: |
Non-fluorescent. |
| Luster: |
Metallic |
| Magnetism: |
Nonmagnetic |
| Streak: |
black |
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Optical Properties of Altaite
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| RL Color: |
White with a delicate greenish hue. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Altaite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
65.10 |
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| 420 nm |
66.40 |
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| 440 nm |
67.70 |
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| 460 nm |
68.80 |
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| 480 nm |
69.60 |
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| 500 nm |
70.00 |
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| 520 nm |
70.00 |
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| 540 nm |
69.70 |
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| 560 nm |
68.80 |
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| 580 nm |
67.50 |
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| 600 nm |
66.00 |
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| 620 nm |
64.60 |
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| 640 nm |
63.30 |
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| 660 nm |
62.00 |
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| 680 nm |
61.00 |
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| 700 nm |
60.20 |
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Calculated Relative Intensity Colors of Altaite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
| R |
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Calculated Properties of Altaite
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| Electron Density: |
Bulk Density (Electron Density)=6.63 gm/cc
note: Specific Gravity of Altaite =8.28 gm/cc.
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| Fermion Index: |
Fermion Index = 0.16
Boson Index = 0.84 |
| Photoelectric: |
PEAltaite =1,332.84 barns/electron
U=PEAltaite x rElectron Density=8,833.98 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Altaite is Not Radioactive |
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Altaite Classification
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| Dana Class: |
02.08.01.03 (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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(02.08.01)Galena Group (Isometric: Fm3m) |
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02.08.01.01 Galena PbS F m3m 4/m 3 2/m |
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02.08.01.02 Clausthalite PbSe F m3m 4/m 3 2/m |
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02.08.01.03 Altaite PbTe F m3m 4/m 3 2/m |
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02.08.01.04 Alabandite MnS F m3m 4/m 3 2/m |
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02.08.01.05 Oldhamite (Ca,Mg,Fe)S F m3m 4/m 3 2/m |
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02.08.01.06 Niningerite (Mg,Fe,Mn)S F m3m 4/m 3 2/m |
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02.08.01.07 Borovskite Pd3SbTe4 F m3m 4/m 3 2/m |
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02.08.01.08 Crerarite (Pt,Pb)Bi3(S,Se)4-x(x~0.7) F m3m 4/m 3 2/m |
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02.08.01.09 Keilite! (Fe,Mn,Mg,Ca,Cr)S F m3m 4/m 3 2/m |
| Strunz Class: |
02.CD.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.C - Metal Sulfides, M:S = 1:1 (and similar) |
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02.CD -With Sn, Pb, Hg, etc. |
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02.CD.10 Alabandite MnS F m3m 4/m 3 2/m |
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02.CD.10 Altaite PbTe F m3m 4/m 3 2/m |
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02.CD.10 Galena PbS F m3m 4/m 3 2/m |
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02.CD.10 Clausthalite PbSe F m3m 4/m 3 2/m |
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02.CD.10 Niningerite (Mg,Fe,Mn)S F m3m 4/m 3 2/m |
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02.CD.10 Oldhamite (Ca,Mg,Fe)S F m3m 4/m 3 2/m |
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02.CD.10 Keilite! (Fe,Mn,Mg,Ca,Cr)S F m3m 4/m 3 2/m |
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Other Altaite Information
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| References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Altaite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST
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Altaite
PbTe
Dana No: 02.08.01.03 Strunz No: 02.CD.10
Locality:
Notes:
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