| |
 |
Argentotennantite Mineral Data
|
|
|
General Argentotennantite Information
|
 Chemical Formula: |
(Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 |
| Composition: |
Molecular Weight = 1,857.26 gm |
| |
Zinc 5.28 % Zn |
| |
Iron 1.50 % Fe |
| |
Copper 8.55 % Cu |
| |
Silver 43.56 % Ag |
| |
Antimony 6.56 % Sb |
| |
Arsenic 12.10 % As |
| |
Sulfur 22.44 % S |
| |
______ |
| |
100.00 % |
| Empirical Formula: |
Ag7.5Cu2.5Zn1.5Fe2+0.5As3SbS13 |
| Environment: |
In a polymetallic deposit. |
| IMA Status: |
Approved IMA 1986 |
| Locality: |
In the Kvartsitoviye Gorki deposit, northern Kazakhstan, USSR. Link to MinDat.org Location Data. |
| Name Origin: |
For the chemical composition and by analogy to tennantite. |
| Name Pronunciation: |
Argentotennantite + Pronunciation  |
| Synonym: |
ICSD 39692 |
| |
PDF 45-1351 |
| |
Argentotennantite Crystallography
|
| Cell Dimensions: |
a = 10.584, Z = 2; V = 1,185.63 Den(Calc)= 5.20 |
| Crystal System: |
Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: I 43m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.06(1), 1.869(0.8), 1.595(0.4), |
| |
Physical Properties of Argentotennantite
|
| Cleavage: |
None |
| Color: |
Gray, Black. |
| Diaphaneity: |
Opaque |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Resinous |
| Streak: |
red brown |
| |
Optical Properties of Argentotennantite
|
| RL Color: |
Light gray to greenish gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Argentotennantite in Air
| λ |
R |
 |
∑ R(λ) |
| 400 nm |
30.90 |
 |
|
| 420 nm |
30.90 |
 |
| 440 nm |
30.80 |
 |
| 460 nm |
30.70 |
 |
| 480 nm |
30.50 |
 |
| 500 nm |
30.40 |
 |
| 520 nm |
30.40 |
 |
| 540 nm |
30.40 |
 |
| 560 nm |
30.40 |
 |
| 580 nm |
30.30 |
 |
| 600 nm |
29.90 |
 |
| 620 nm |
29.40 |
 |
| 640 nm |
28.80 |
 |
| 660 nm |
28.40 |
 |
| 680 nm |
28.20 |
 |
| 700 nm |
27.80 |
 |
Calculated Relative Intensity Colors of Argentotennantite in Air
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
300% |
| R |
|
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Argentotennantite
|
| Electron Density: |
Bulk Density (Electron Density)=4.71 gm/cc
note: Specific Gravity of Argentotennantite =5.20 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.0041673796
Boson Index = 0.9958326204 |
| Photoelectric: |
PEArgentotennantite = 148.07 barns/electron
U=PEArgentotennantite x rElectron Density= 697.30 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Argentotennantite is Not Radioactive |
| |
Argentotennantite Classification
|
| Dana Class: |
03.03.06.07 (03)Sulfides - Sulfosalts |
| |
(03.03)where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
| |
(03.03.06)Tetrahedrite Group (Isometric: I-43m) |
| |
03.03.06.01 Tetrahedrite (Cu,Fe)12Sb4S13 I 43m 4 3m |
| |
03.03.06.02 Tennantite (Cu,Fe)12As4S13 I 43m 4 3m |
| |
03.03.06.03 Freibergite (Ag,Cu,Fe)12(Sb,As)4S13 I 43m 4 3m |
| |
03.03.06.04 Hakite (Cu,Hg)3(Sb,As)(Se,S)3 I 43m 4 3m |
| |
03.03.06.05 Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13 I 43m 4 3m |
| |
03.03.06.06 Goldfieldite Cu12(Te,Sb,As)4S13 I 43m 4 3m |
| |
03.03.06.07 Argentotennantite (Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 I 43m 4 3m |
| Strunz Class: |
02.GB.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
| |
02.G - Sulfarsenites, sulfantimonites, sulfbismuthites |
| |
02.GB -Neso-sulfarsenites, etc |
| |
02.GB.05 Argentotennantite (Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 I 43m 4 3m |
| |
02.GB.05 Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13 I 43m 4 3m |
| |
02.GB.05 Goldfieldite Cu12(Te,Sb,As)4S13 I 43m 4 3m |
| |
02.GB.05 Freibergite (Ag,Cu,Fe)12(Sb,As)4S13 I 43m 4 3m |
| |
02.GB.05 Hakite (Cu,Hg)3(Sb,As)(Se,S)3 I 43m 4 3m |
| |
02.GB.05 Tennantite (Cu,Fe)12As4S13 I 43m 4 3m |
| |
02.GB.05 Tetrahedrite (Cu,Fe)12Sb4S13 I 43m 4 3m |
| |
Other Argentotennantite Information
|
| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.73,p439,1988) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Argentotennantite :
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
Search for Argentotennantite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Argentotennantite :
Ask about Argentotennantite 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
Espaņol
Print or Cut-and-Paste your Argentotennantite Specimen Label here :
|
Argentotennantite
(Ag,Cu)10(Zn,Fe)2(As,Sb)4S13
Dana No: 03.03.06.07 Strunz No: 02.GB.05
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.