| |
 |
Erlichmanite Mineral Data
|
|
|
General Erlichmanite Information
|
 Chemical Formula: |
OsS2 |
| Composition: |
Molecular Weight = 254.33 gm |
| |
Osmium 74.78 % Os |
| |
Sulfur 25.22 % S |
| |
______ |
| |
100.00 % |
| Empirical Formula: |
OsS2 |
| Environment: |
Found in noble metal placers. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
MacIntosh mine, Willow Creek, Humbolt Co. California. Link to MinDat.org Location Data. |
| Name Origin: |
For Joseph Erlichman, electron probe analyst, who analyzed a number of new minerals. |
| Name Pronunciation: |
Erlichmanite + Pronunciation  |
| Synonym: |
ICSD 300224 |
| |
PDF 19-882 |
| |
Erlichmanite Image |
|
Images:
|
|
Erlichmanite
Comments: Large gray fractured grain of erlichmanite. Polished section in reflected light.
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia.
Scale: Picture size 0.25 mm.
© Thomas Witzke / Abraxas-Verlag |
|
Erlichmanite Crystallography
|
| Cell Dimensions: |
a = 5.6196, Z = 4; V = 177.47 Den(Calc)= 9.52 |
| Crystal System: |
Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3 |
| X Ray Diffraction: |
By Intensity(I/Io): 3.24(1), 1.694(0.85), 2.81(0.85), |
| |
Physical Properties of Erlichmanite
|
| Color: |
Gray white. |
| Density: |
9.59 |
| Diaphaneity: |
Opaque |
| Hardness: |
4.5-5.5 - Near Apatite |
| Luster: |
Metallic |
| |
Optical Properties of Erlichmanite
|
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Erlichmanite in Air
| λ |
R |
 |
∑ R(λ) |
| 400 nm |
43.70 |
 |
|
| 420 nm |
43.70 |
 |
| 440 nm |
43.70 |
 |
| 460 nm |
43.70 |
 |
| 480 nm |
43.60 |
 |
| 500 nm |
43.40 |
 |
| 520 nm |
43.20 |
 |
| 540 nm |
42.90 |
 |
| 560 nm |
42.70 |
 |
| 580 nm |
42.40 |
 |
| 600 nm |
42.10 |
 |
| 620 nm |
41.70 |
 |
| 640 nm |
41.20 |
 |
| 660 nm |
40.80 |
 |
| 680 nm |
40.30 |
 |
| 700 nm |
39.90 |
 |
Calculated Relative Intensity Colors of Erlichmanite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
| R |
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Erlichmanite
|
| Electron Density: |
Bulk Density (Electron Density)=8.09 gm/cc
note: Specific Gravity of Erlichmanite =9.52 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.13
Boson Index = 0.87 |
| Photoelectric: |
PEErlichmanite =1,039.75 barns/electron
U=PEErlichmanite x rElectron Density=8,406.55 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Erlichmanite is Not Radioactive |
| |
Erlichmanite Classification
|
| Dana Class: |
02.12.01.16 (02)Sulfides - Including Selenides and Tellurides |
| |
(02.12)where Am Bn Xp, with (m+n):p=1:2 |
| |
(02.12.01)Pyrite Group (Isometric: Pa3) |
| |
02.12.01.01 Pyrite FeS2 P a3 2/m 3 |
| |
02.12.01.02 Vaesite NiS2 P a3 2/m 3 |
| |
02.12.01.03 Cattierite CoS2 P a3 2/m 3 |
| |
02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3 |
| |
02.12.01.05 Trogtalite CoSe2 P a3 2/m 3 |
| |
02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3 |
| |
02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3 |
| |
02.12.01.08 Krutaite CuSe2 P a3 2/m 3 |
| |
02.12.01.09 Hauerite MnS2 P a3 2/m 3 |
| |
02.12.01.10 Laurite RuS2 P a3 2/m 3 |
| |
02.12.01.11 Aurostibite AuSb2 P a3 2/m 3 |
| |
02.12.01.12 Krutovite NiAs2 P a3 2/m 3 |
| |
02.12.01.13 Sperrylite PtAs2 P a3 2/m 3 |
| |
02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3 |
| |
02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3 |
| |
02.12.01.16 Erlichmanite OsS2 P a3 2/m 3 |
| |
02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3 |
| |
02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3 |
| |
02.12.01.19 Mayingite IrBiTe P a3 2/m 3 |
| Strunz Class: |
02.EB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
| |
02.E - Metal Sulfides, M:S � 1:2 |
| |
02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc. |
| |
02.EB.05a Aurostibite AuSb2 P a3 2/m 3 |
| |
02.EB.05a Cattierite CoS2 P a3 2/m 3 |
| |
02.EB.05a Hauerite MnS2 P a3 2/m 3 |
| |
02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3 |
| |
02.EB.05a Dzharkenite FeSe2 P a3 2/m 3 |
| |
02.EB.05a Erlichmanite OsS2 P a3 2/m 3 |
| |
02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3 |
| |
02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3 |
| |
02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3 |
| |
02.EB.05a Laurite RuS2 P a3 2/m 3 |
| |
02.EB.05a Krutaite CuSe2 P a3 2/m 3 |
| |
02.EB.05a Pyrite FeS2 P a3 2/m 3 |
| |
02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3 |
| |
02.EB.05a Sperrylite PtAs2 P a3 2/m 3 |
| |
02.EB.05a Vaesite NiS2 P a3 2/m 3 |
| |
02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3 |
| |
02.EB.05a Trogtalite CoSe2 P a3 2/m 3 |
| |
Other Erlichmanite Information
|
| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Erlichmanite :
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 Erlichmanite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Erlichmanite :
Ask about Erlichmanite 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
Español
Print or Cut-and-Paste your Erlichmanite Specimen Label here :
|
Erlichmanite
OsS2
Dana No: 02.12.01.16 Strunz No: 02.EB.05a
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.