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Kutinaite Mineral Data
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General Kutinaite Information
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 Chemical Formula: |
Cu14Ag6As7 |
| Composition: |
Molecular Weight = 2,086.72 gm |
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Copper 43.85 % Cu |
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Silver 31.02 % Ag |
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Arsenic 25.13 % As |
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______ |
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100.00 % |
| Empirical Formula: |
Cu14.4Ag6As7 |
| Environment: |
In carbonate-rich hydrothermal veins. New unit cell data from synthetic material. |
| IMA Status: |
Approved IMA 1970 |
| Locality: |
Cerny Dul, Czech Republic. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Jan Kutina (1924-), Czech mineralogist. |
| Name Pronunciation: |
Kutinaite + Pronunciation  |
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Kutinaite Crystallography
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| Cell Dimensions: |
a = 11.78079, Z = 4; V = 1,635.02 Den(Calc)= 8.48 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.078(1), 2.259(1), 2.702(0.9), |
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Physical Properties of Kutinaite
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| Cleavage: |
None |
| Color: |
Silver gray. |
| Density: |
8.38 |
| Diaphaneity: |
Opaque |
| Fracture: |
Elastic - Fragments which spring back after bending. |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
4.5 - Between Fluorite and Apatite |
| Luster: |
Metallic |
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Optical Properties of Kutinaite
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| RL Color: |
Grayish white to light blue-gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Kutinaite in Air
| λ |
R |
 |
∑ R(λ) |
| 400 nm |
49.60 |
 |
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| 420 nm |
48.80 |
 |
| 440 nm |
48.00 |
 |
| 460 nm |
46.80 |
 |
| 480 nm |
45.60 |
 |
| 500 nm |
44.50 |
 |
| 520 nm |
43.50 |
 |
| 540 nm |
42.60 |
 |
| 560 nm |
42.00 |
 |
| 580 nm |
41.40 |
 |
| 600 nm |
41.10 |
 |
| 620 nm |
40.80 |
 |
| 640 nm |
40.50 |
 |
| 660 nm |
40.40 |
 |
| 680 nm |
40.50 |
 |
| 700 nm |
40.90 |
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Calculated Relative Intensity Colors of Kutinaite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
| R |
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Calculated Properties of Kutinaite
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| Electron Density: |
Bulk Density (Electron Density)=7.56 gm/cc
note: Specific Gravity of Kutinaite =8.48 gm/cc.
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| Fermion Index: |
Fermion Index = 0
Boson Index = 1 |
| Photoelectric: |
PEKutinaite = 118.05 barns/electron
U=PEKutinaite x rElectron Density= 892.90 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kutinaite is Not Radioactive |
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Kutinaite Classification
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| Dana Class: |
02.02.02.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.02)where Am Bn Xp, with (m+n):p=3:1 |
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(02.02.02)Domeykite Group |
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02.02.02.01 Domeykite Cu3As I 43d 4 3m |
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02.02.02.02 Kutinaite Cu14Ag6As7 P m3m 4/m 3 2/m |
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02.02.02.03 Dienerite? Ni3As I 43d 4 3m |
| Strunz Class: |
02.AA.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.A - Simple Sulfides, Selenides, etc |
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02.AA -Alloys of metalloids with Cu, Ag, Sn, Au |
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02.AA.25 Kutinaite Cu14Ag6As7 P m3m 4/m 3 2/m |
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Other Kutinaite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v 88, p 1179) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Kutinaite :
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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Print or Cut-and-Paste your Kutinaite Specimen Label here :
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Kutinaite
Cu14Ag6As7
Dana No: 02.02.02.02 Strunz No: 02.AA.25
Locality:
Notes:
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