Polhemusite Mineral Data + 
|
[Newest Minerals] [Minerals for Sale] [Tsumeb Mine] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa and Mastercard are Welcome
- 2.8.3.1 Polhemusite (Zn,Hg)S P 4/n 4/m
- II/C.01-10 Sphalerite (Zn,Fe)S F43m 4 3m
- II/C.01-20 Hawleyite CdS F43m 4 3m
- II/C.01-30 Metacinnabar HgS F43m 4 3m
- II/C.01-40 Stilleite ZnSe F43m 4 3m
- II/C.01-50 Tiemannite HgSe F43m 4 3m
- II/C.01-60 Coloradoite HgTe F43m 4 3m
- II/C.01-70 Polhemusite (Zn,Hg)S P 4/n 4/m
General Polhemusite Information |
|||
 Chemical Formula: |
(Zn,Hg)S | ||
| Composition: |
Molecular Weight = 131.26 gm | ||
| Zinc 37.36 % Zn | |||
| Mercury 38.21 % Hg | |||
| Sulfur 24.43 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Zn0.75Hg0.25S | ||
| Environment: |
As part of a replacement deposit of stibnite. | ||
| IMA Status: |
Approved IMA 1978 | ||
| Locality: |
B and B deposit, Big Creek district, Valley County, Idaho, USA Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Clyde Polhemus Ross, American economic geologist. | ||
Search for Polhemusite Images | |||
|
Images:
|
|
||
Polhemusite Crystallography |
|||
| Axial Ratios: |
a:c = 1:1.6923 | ||
| Cell Dimensions: |
a = 8.71, c = 14.74, Z = 24; V = 1,118.24 Den(Calc)= 4.68 | ||
| Crystal System: |
Tetragonal - DipyramidalH-M Symbol (4/m) Space Group: P 4/n | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.08(1), 1.888(0.8), 3.16(0.7), | ||
Physical Properties of Polhemusite |
|||
| Cleavage: |
[???] Indistinct | ||
| Color: |
Black. | ||
| Density: |
4.93 | ||
| Hardness: |
4.5 - Between Fluorite and Apatite | ||
| Luster: |
Adamantine - Resinous | ||
Optical Properties of Polhemusite |
|||
| RL Anisotrophism: |
Moderate in air, strong in oil. | ||
| RL Color: |
Gray, with intense red internal reflections. | ||
| RL Pleochroism: |
Very slightly brownish gray to slightly lavender-gray. | ||
Calculated Properties of Polhemusite |
|||
| Electron Density: |
relectron=4.17 gm/cc |
||
| Fermion Index |
Fermion Index = 0.13253 Boson Index = 0.86747 |
||
| Photoelectric: |
PEPolhemusite = 628.11 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Polhemusite is Not Radioactive |
||
Polhemusite Classification |
|||
| Dana Class: |
2.8.3.1 (2)Sulfides - Including Selenides and Tellurides | ||
| (2.8)where Am Bn Xp, with (m+n):p=1:1 | |||
| (2.8.3)Dana Group | |||
| Strunz Class: |
II/C.01-70 II - Sulfides and sulphosalts | ||
| II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1 | |||
| II/C.01 - Sphalerite group and related compounds (with Leutite) | |||
Other Polhemusite Information |
|||
| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Polhemusite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Polhemusite using: Visit our Advertisers for Polhemusite : Translate Polhemusite Mineral Data : Ask about Polhemusite here : Print or Cut-and-Paste your Polhemusite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |