Hodrushite Mineral Data (original) (raw)
General Hodrushite Information
Chemical Formula:
Cu8Bi12S22
Composition:
Molecular Weight = 3,721.58 gm
Copper 13.66 % Cu
Bismuth 67.38 % Bi
Sulfur 18.96 % S
______
100.00 %
Empirical Formula:
Cu8Bi12S22
Environment:
In polymetallic ore deposits of subvolcanic type, in a quartz vein system developed in propylitized pryoxenite andesite.
IMA Status:
Approved IMA 1970
Locality:
Hodursa, Czechoslovakia. Link to MinDat.org Location Data.
Name Origin:
Named after its locality.
Name Pronunciation:
Hodrushite + Pronunciation 
Synonym:
ICSD 24462
PDF 25-267
Hodrushite Image
Images:
 |
Hodrushite Cupromakovickyite Comments: Kup?cíkite (ku) and hodrushite (ho) partly replaced by bismuthinite derivative (bd56) with relict lamellae of low-Cu (4P) and cupromakovickyite [4P(Cu,Pb)]. (CanMin, 41:1165). Location: Scheelite deposit of Felbertal, Austria.Scale: Scale Bar 100 µm. © Canadian Mineralogist |
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Hodrushite Crystallography
Axial Ratios:
a:b:c =6.9236:1:4.4732
Cell Dimensions:
a = 27.21, b = 3.93, c = 17.58, Z = 2; beta = 92.15° V = 1,878.60 Den(Calc)= 6.58
Crystal System:
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: A2/m
X Ray Diffraction:
By Intensity(I/Io): 3.102(1), 2.715(0.8), 3.62(0.8),
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
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| | Topa D , Makovicky E , Balic-Zunic T , The Canadian Mineralogist , 41 (2003) p.1481-1501, Crystal structures and crystal chemistry of members of the cuprobismutite, homologous series of sulfosalts, Locality: Felbertal Austria View Additional jPOWD Structure files for Hodrushite [1] | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Hodrushite
Cleavage:
None
Color:
Brown, Brownish bronze, Steel gray.
Density:
6.45
Diaphaneity:
Opaque
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Hardness:
4-5 - Fluorite-Apatite
Luster:
Metallic
Streak:
grayish black
Optical Properties of Hodrushite
RL Anisotrophism:
Very feeble, in grays.
RL Color:
Creamy with very slight pinkish tint.
RL Pleochroism:
Very weak.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Hodrushite in Air
| λ | R1 | R 2 |  |
∑ R1(λ) | ∑ R2(λ) |
|---|---|---|---|---|---|
| 400 nm | 36.20 | 39.80 |  |
||
| 420 nm | 36.20 | 40.40 |  |
||
| 440 nm | 36.20 | 41.00 |  |
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| 460 nm | 36.30 | 41.60 |  |
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| 480 nm | 36.40 | 42.00 |  |
||
| 500 nm | 36.60 | 42.40 |  |
||
| 520 nm | 36.90 | 42.60 |  |
||
| 540 nm | 37.40 | 42.80 |  |
||
| 560 nm | 37.60 | 43.00 |  |
||
| 580 nm | 37.80 | 43.20 |  |
||
| 600 nm | 37.90 | 43.30 |  |
||
| 620 nm | 38.00 | 43.50 |  |
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| 640 nm | 38.00 | 43.70 |  |
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| 660 nm | 38.00 | 43.70 |  |
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| 680 nm | 37.90 | 43.60 |  |
||
| 700 nm | 37.80 | 43.40 |  |
Calculated Relative Intensity Colors of Hodrushite in Air
| RelativeIntensity | 0% | 30% | 60% | 90% | 100% | 120% | 150% | 180% | 210% | 240% | 250% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R1 | |||||||||||
| R2 |
Calculated Properties of Hodrushite
Electron Density:
Bulk Density (Electron Density)=5.59 gm/cc
note: Specific Gravity of Hodrushite =6.58 gm/cc.
Fermion Index:
Fermion Index = 0.0014223504
Boson Index = 0.9985776496
Photoelectric:
PEHodrushite =1,285.05 barns/electron
U=PEHodrushite x rElectron Density=7,179.69 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hodrushite is Not Radioactive
Hodrushite Classification
Dana Class:
03.08.04.01 (03)Sulfides - Sulfosalts
(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
(03.08.04)Dana Group
03.08.04.01 Hodrushite Cu8Bi12S22 A2/m 2/m
03.08.04.02 Paderaite Cu7((Cu,Ag)0.33Pb1.33Bi11.33)13S22 P 21/m 2/m
Strunz Class:
02.JA.10c 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
02.J - Sulfosalts of PbS Archetype
02.JA -Galena derivatives with little or no Pb
02.JA.10c Hodrushite Cu8Bi12S22 A2/m 2/m
Other Hodrushite Information
References:
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
See Also:
Links to other databases for Hodrushite :
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 Hodrushite Specimen Label here :
Hodrushite
Cu8Bi12S22
Dana No: 03.08.04.01 Strunz No: 02.JA.10c
Locality:
Notes: