Mineralogy Database

Heteromorphite Mineral Data

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General Heteromorphite Information

Help on Chemical  Formula: Chemical Formula: Pb7Sb8S19
Help on Composition: Composition: Molecular Weight = 3,033.65 gm
   Antimony  32.11 %  Sb
   Lead      47.81 %  Pb
   Sulfur    20.08 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb7Sb8S19
Help on Environment: Environment: Hydrothermal vein deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1876
Help on Locality: Locality: Wolfsberg in the Hartz Mountains. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek many - 'hetero' and form - 'morphos.'
Help on Name Pronunciation: Name Pronunciation: Heteromorphite + Pronunciation Say HETEROMORPHITE
Help on Synonym: Synonym: ICSD 100295
  PDF 22-649

Heteromorphite Image

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Comments: Steel gray metallic acicular crystal mat of heteromorphite on clear calcite crystals.
Location: Wolfsberg, Harz Mountains, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Heteromorphite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.141:1:1.7822
Help on Cell Dimensions: Cell Dimensions: a = 13.628, b = 11.943, c = 21.285, Z = 4; beta = 90.92° V = 3,463.88 Den(Calc)= 5.82
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.8897(1), 3.411(0.9), 3.295(0.88),

Physical Properties of Heteromorphite

Help on Cleavage: Cleavage: {112} Good
Help on Color: Color: Black.
Help on Density: Density: 5.73
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black

Calculated Properties of Heteromorphite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.93 gm/cc
note: Specific Gravity of Heteromorphite =5.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEHeteromorphite = 978.25 barns/electron
U=PEHeteromorphite x rElectron Density=4,827.03 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Heteromorphite is Not Radioactive

Heteromorphite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.20)Fuloppite Group (Monoclinc: C2/c containing Pb, Sb) Fuloppite Pb3Sb8S15 C 2/c 2/m Plagionite Pb5Sb8S17 C 2/c 2/m Heteromorphite Pb7Sb8S19 C 2/c 2/m Semseyite Pb9Sb8S21 C 2/c 2/m Rayite (Ag,Tl)2Pb8Sb8S21 C 2/c 2/m
Help on  Strunz Class: Strunz Class: 02.HC.10c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.H - Sulfosalts of SnS Archetype
  02.HC -With only Pb
02.HC.10c Heteromorphite Pb7Sb8S19 C 2/c 2/m

Other Heteromorphite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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

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Dana No: Strunz No: 02.HC.10c





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