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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Heteromorphite Mineral Data
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General Heteromorphite Information
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Chemical Formula: |
Pb7Sb8S19 |
Composition: |
Molecular Weight = 3,033.65 gm |
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Antimony 32.11 % Sb |
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Lead 47.81 % Pb |
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Sulfur 20.08 % S |
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______ |
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100.00 % |
Empirical Formula: |
Pb7Sb8S19 |
Environment: |
Hydrothermal vein deposits. |
IMA Status: |
Valid Species (Pre-IMA) 1876 |
Locality: |
Wolfsberg in the Hartz Mountains. Link to MinDat.org Location Data. |
Name Origin: |
From the Greek many - 'hetero' and form - 'morphos.' |
Name Pronunciation: |
Heteromorphite + Pronunciation |
Synonym: |
ICSD 100295 |
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PDF 22-649 |
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Heteromorphite Image |
Images:
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Heteromorphite Crystallography
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Axial Ratios: |
a:b:c =1.141:1:1.7822 |
Cell Dimensions: |
a = 13.628, b = 11.943, c = 21.285, Z = 4; beta = 90.92° V = 3,463.88 Den(Calc)= 5.82 |
Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
X Ray Diffraction: |
By Intensity(I/Io): 2.8897(1), 3.411(0.9), 3.295(0.88), |
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Physical Properties of Heteromorphite
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Cleavage: |
{112} Good |
Color: |
Black. |
Density: |
5.73 |
Diaphaneity: |
Opaque |
Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Hardness: |
2.5-3 - Finger Nail-Calcite |
Luster: |
Metallic |
Streak: |
black |
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Calculated Properties of Heteromorphite
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Electron Density: |
Bulk Density (Electron Density)=4.93 gm/cc note: Specific Gravity of Heteromorphite =5.82 gm/cc. |
Fermion Index: |
Fermion Index = 0.1 Boson Index = 0.9 |
Photoelectric: |
PEHeteromorphite = 978.25 barns/electron U=PEHeteromorphite x rElectron Density=4,827.03 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Heteromorphite is Not Radioactive |
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Heteromorphite Classification
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Dana Class: |
03.06.20.03 (03)Sulfides - Sulfosalts |
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(03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.06.20)Fuloppite Group (Monoclinc: C2/c containing Pb, Sb) |
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03.06.20.01 Fuloppite Pb3Sb8S15 C 2/c 2/m |
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03.06.20.02 Plagionite Pb5Sb8S17 C 2/c 2/m |
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03.06.20.03 Heteromorphite Pb7Sb8S19 C 2/c 2/m |
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03.06.20.04 Semseyite Pb9Sb8S21 C 2/c 2/m |
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03.06.20.05 Rayite (Ag,Tl)2Pb8Sb8S21 C 2/c 2/m |
Strunz Class: |
02.HC.10c 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.HC -With only Pb |
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02.HC.10c Heteromorphite Pb7Sb8S19 C 2/c 2/m |
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Other Heteromorphite Information
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References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Heteromorphite :
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
Search for Heteromorphite using:
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[WebCrawler]
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Ask about Heteromorphite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
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Print or Cut-and-Paste your Heteromorphite Specimen Label here :
Heteromorphite
Pb7Sb8S19
Dana No: 03.06.20.03 Strunz No: 02.HC.10c
Locality:
Notes:
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