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Hakite Mineral Data
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General Hakite Information
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 Chemical Formula: |
(Cu,Hg)3(Sb,As)(Se,S)3 |
| Composition: |
Molecular Weight = 606.78 gm |
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Copper 26.18 % Cu |
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Mercury 16.53 % Hg |
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Antimony 16.05 % Sb |
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Arsenic 3.70 % As |
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Selenium 33.83 % Se |
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Sulfur 3.70 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu2.5Hg0.5Sb0.8As0.3Se2.6S0.7 |
| Environment: |
Epithermal calcite veins. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
At Bukov and Predborice, Czechoslovakia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Jaroslav Hak, mineralogist, Institute of Ore Research, Kutna Hora, Czechoslovakia. |
| Name Pronunciation: |
Hakite  |
| Synonym: |
ICSD 400652 |
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PDF 25-297 |
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Hakite Image |
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Images:
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Chrisstanleyite Hakite
Comments: Polished section showing chrisstanleyite (chr) is present as a single grain intergrown with clausthalite (cl) and eucairite (eu). cp (chalcopyrite), ha (hakite), di (selenian digenite), bo (bornite). (CanMin, v43:689).
Location: Low-temperature selenium-rich assemblage at Predborice, Czech Republic.
Scale: See Image.
© Canadian Mineralogist |
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Images:
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Giraudite Hakite
Comments: Polished Section image of giraudite-hakite (gir-hak) with berzelianite (bzl ) and galena (gln). (CanMin, v40:1161).
Location: Niederschlema-Alberoda uranium deposit, Erzgebirge, Germany.
Scale: See Image.
© Canadian Mineralogist |
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Hakite Crystallography
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| Cell Dimensions: |
a = 10.88, Z = 8; V = 1,287.91 Den(Calc)= 6.26 |
| Crystal System: |
Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: I 43m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.14(1), 1.925(0.9), 1.639(0.8), |
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Physical Properties of Hakite
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| Cleavage: |
None |
| Color: |
Gray brown. |
| Density: |
6.3 |
| Diaphaneity: |
Opaque |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
white |
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Optical Properties of Hakite
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| RL Color: |
Creamy white to clear brown. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Hakite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
31.80 |
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| 420 nm |
32.50 |
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| 440 nm |
33.20 |
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| 460 nm |
33.60 |
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| 480 nm |
33.70 |
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| 500 nm |
33.70 |
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| 520 nm |
33.50 |
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| 540 nm |
33.40 |
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| 560 nm |
33.40 |
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| 580 nm |
33.50 |
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| 600 nm |
33.60 |
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| 620 nm |
33.60 |
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| 640 nm |
33.60 |
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| 660 nm |
33.50 |
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| 680 nm |
33.50 |
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| 700 nm |
33.40 |
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Calculated Relative Intensity Colors of Hakite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
| R |
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Calculated Properties of Hakite
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| Electron Density: |
Bulk Density (Electron Density)=5.42 gm/cc
note: Specific Gravity of Hakite =6.26 gm/cc.
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| Fermion Index: |
Fermion Index = 0.07
Boson Index = 0.93 |
| Photoelectric: |
PEHakite = 367.66 barns/electron
U=PEHakite x rElectron Density=1,993.62 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hakite is Not Radioactive |
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Hakite Classification
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| Dana Class: |
03.03.06.04 (03)Sulfides - Sulfosalts |
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(03.03)where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.03.06)Tetrahedrite Group (Isometric: I-43m) |
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03.03.06.01 Tetrahedrite (Cu,Fe)12Sb4S13 I 43m 4 3m |
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03.03.06.02 Tennantite (Cu,Fe)12As4S13 I 43m 4 3m |
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03.03.06.03 Freibergite (Ag,Cu,Fe)12(Sb,As)4S13 I 43m 4 3m |
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03.03.06.04 Hakite (Cu,Hg)3(Sb,As)(Se,S)3 I 43m 4 3m |
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03.03.06.05 Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13 I 43m 4 3m |
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03.03.06.06 Goldfieldite Cu12(Te,Sb,As)4S13 I 43m 4 3m |
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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 |
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02.G - Sulfarsenites, sulfantimonites, sulfbismuthites |
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02.GB -Neso-sulfarsenites, etc |
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02.GB.05 Argentotennantite (Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 I 43m 4 3m |
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02.GB.05 Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13 I 43m 4 3m |
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02.GB.05 Goldfieldite Cu12(Te,Sb,As)4S13 I 43m 4 3m |
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02.GB.05 Freibergite (Ag,Cu,Fe)12(Sb,As)4S13 I 43m 4 3m |
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02.GB.05 Hakite (Cu,Hg)3(Sb,As)(Se,S)3 I 43m 4 3m |
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02.GB.05 Tennantite (Cu,Fe)12As4S13 I 43m 4 3m |
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02.GB.05 Tetrahedrite (Cu,Fe)12Sb4S13 I 43m 4 3m |
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Other Hakite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Hakite :
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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Hakite
(Cu,Hg)3(Sb,As)(Se,S)3
Dana No: 03.03.06.04 Strunz No: 02.GB.05
Locality:
Notes:
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