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Abramovite Mineral Data
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General Abramovite Information
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 Chemical Formula: |
Pb2SnInBiS7 |
| Composition: |
Molecular Weight = 1,066.44 gm |
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Indium 11.41 % In |
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Tin 12.13 % Sn |
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Bismuth 17.44 % Bi |
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Lead 37.30 % Pb |
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Selenium 0.96 % Se |
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Sulfur 20.75 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Pb1.92Sn1.09In1.06Bi0.89S6.9Se0.13 |
| Environment: |
Found as a fumarole crust at 600-620°C. Cylindrite family. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Kudryavy volcano, Iturup Island, Kurile Islands, Russia Link to MinDat.org Location Data. |
| Name Origin: |
Named for Dmitry Abramov, Russian mineralogist. |
| Synonym: |
IMA2006-016 |
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Abramovite Image |
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Images:
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Abramovite
Comments: Fragments of feathery abramovite crystals (RRUFF ID R070037), co-type sample..
Location: Kudriavy, Iturup Island, Russia.
Scale: See Image.
© Rruff Database |
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Abramovite Crystallography
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| Axial Ratios: |
a:b:c =4.0554:1:1.0103 |
| Cell Dimensions: |
a = 23.4, b = 5.77, c = 5.83, Z = 4; alpha = 89.1°, beta = 89.9°, gamma = 91.5° V = 786.79 Den(Calc)= 9.00 |
| Crystal System: |
Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.9(1), 3.84(0.71), 5.9(0.36),2.921(0.33), 3.166(0.26), 2.186(0.18), 2.902(0.16), 2.329(0.15), |
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Physical Properties of Abramovite
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| Color: |
Silver gray. |
| Diaphaneity: |
Opaque |
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Abramovite
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| RL Anisotrophism: |
Distinct without color effects. |
| RL Bireflectance: |
Weak. |
| RL Color: |
White with a yellowish gray hue. |
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Calculated Properties of Abramovite
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| Electron Density: |
Bulk Density (Electron Density)=7.64 gm/cc
note: Specific Gravity of Abramovite =9.00 gm/cc.
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| Fermion Index: |
Fermion Index = 0.1
Boson Index = 0.9 |
| Photoelectric: |
PEAbramovite =1,081.69 barns/electron
U=PEAbramovite x rElectron Density=8,262.78 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Abramovite is Not Radioactive |
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Abramovite Classification
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| Dana Class: |
03.01.04.05 (03)Sulfides - Sulfosalts |
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(03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.01.04)Cylindrite Group |
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03.01.04.01 Cylindrite Pb3Sn4FeSb2S14 P1 1 |
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03.01.04.02 Franckeite (Pb,Sn)6FeSn2Sb2S14 P1 1 |
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03.01.04.03 Incaite Pb4Sn4FeSb2S15 P1 ? 1 |
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03.01.04.04 Potosiite Pb6Sn2FeSb2S14 P 1 ? 1 |
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03.01.04.05 Abramovite! Pb2SnInBiS7 P1 1 |
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03.01.04.06 Coiraite! (Pb,Sn)12.5As3Sn5FeS28 Unk Mono |
| Strunz Class: |
02.HF.25a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.H - Sulfosalts of SnS Archetype |
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02.HF -With SnS and PbS archetype structure units |
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02.HF.25a Cylindrite Pb3Sn4FeSb2S14 P1 1 |
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02.HF.25a Levyclaudite Pb8Sn7Cu3(Bi,Sb)3S28 A2 ? 2 |
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02.HF.25a Abramovite! Pb2SnInBiS7 P1 1 |
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Other Abramovite Information
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| References: |
NAME( Geology of Ore Deposits, v50:551) PHYS. PROP.(Geology of Ore Deposits, v50:551) OPTIC PROP.(Geology of Ore Deposits, v50:551) |
| See Also: |
Links to other databases for Abramovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Abramovite
Pb2SnInBiS7
Dana No: 03.01.04.05 Strunz No: 02.HF.25a
Locality:
Notes:
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