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Isochalcopyrite Mineral Data
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General Isochalcopyrite Information
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 Chemical Formula: |
Cu8Fe9S16 |
| Composition: |
Molecular Weight = 1,524.05 gm |
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Iron 32.98 % Fe |
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Copper 33.36 % Cu |
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Sulfur 33.66 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu8Fe2+9S16 |
| Environment: |
Deep sea, anoxic sediments. Generally regarded as isocubanite. |
| IMA Status: |
Discredited IMA 2006 |
| Locality: |
Atlantis II Deep, Red Sea. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the cubic variety of chalcopyrite. |
| Synonym: |
ICSD 24254 |
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Isochalcopyrite Image |
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Images:
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Isocubanite Isochalcopyrite
Comments: SEM image of an aggregate of idiomorphic grains of isocubanite (formerly known as isochalcopyrite) associated with minor pyrite.
Location: Submarine sulphide deposits of the East Pacific Rise (EPR) and the Red Sea.
Scale: See Image.
© Mineralogical Magazine |
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Images:
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Isochalcopyrite Isocubanite
Comments: Polished section showing isocubanite (formerly isochalcopyrite) with exsolved chalcopyrite infilling and replacing cross-bedded turbiditic hydrothermally altered sandstone.
Location: Unit VI, Deep Copper Zone, Bent Hill Massive Sulfide Deposit, Middle Valley, Northern Juan de Fuca Ridge.
Scale: See Image.
© National Resouces of Canada |
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Isochalcopyrite Crystallography
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| Crystal System: |
Isometric Space Group: Unk |
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Physical Properties of Isochalcopyrite
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| Color: |
Yellow. |
| Diaphaneity: |
Opaque |
| Luster: |
Metallic |
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Calculated Properties of Isochalcopyrite
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| Fermion Index: |
Fermion Index = 0.0095164569
Boson Index = 0.9904835431 |
| Photoelectric: |
PEIsochalcopyrite = 26.75 barns/electron
U=PEIsochalcopyrite x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Isochalcopyrite is Not Radioactive |
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Isochalcopyrite Classification
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| Dana Class: |
02.00.00.00 (02)Sulfide Minerals |
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(02.00)Without Dana Classification Numbers |
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(02.00.00)Sulfide |
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02.00.00.00 Argentite* Ag2S I m3m 4/m 3 2/m |
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02.00.00.00 Bayankhanite? Cu6HgS4 Unk Hex |
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02.00.00.00 Bismutoplagionite* 5PbS.4Bi2S3 Unk Ortho |
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02.00.00.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3 |
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02.00.00.00 Colimaite K3VS4 P nma 2/m 2/m 2/m |
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02.00.00.00 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m |
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02.00.00.00 Dilithium* Li2Te P 222 2 2 2 |
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02.00.00.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3 |
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02.00.00.00 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m |
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02.00.00.00 Fersilicite* FeSi P 213 2 3 |
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02.00.00.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m |
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02.00.00.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm |
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02.00.00.00 Imgreite? NiTe P 63/mmc 6/m 2/m 2/m |
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02.00.00.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic |
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02.00.00.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic |
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02.00.00.00 Jaipurite* CoS P 63/mmc 6/m 2/m 2/m |
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02.00.00.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono |
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02.00.00.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic |
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02.00.00.00 Plumosite* Pb2Sb2S5 Mono |
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02.00.00.00 Protojoseite* Bi4TeS2(?) R 3m 3 2/m |
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02.00.00.00 Samaniite Cu2Fe5Ni2S8 P 41/mmm 4mm |
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02.00.00.00 Stibioenargite* Cu3(Sb,As)S4 Unk Ortho |
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02.00.00.00 Sztrokayite* Bi3TeS2 Trig ? Trig |
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02.00.00.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 42m-,P 4212 Tetra |
| Strunz Class: |
02.XX.00 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.X - Unclassified Strunz SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarse |
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02.XX -Sulfide |
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02.XX.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic |
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02.XX.00 Bayankhanite? Cu6HgS4 Unk Hex |
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02.XX.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3 |
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02.XX.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3 |
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02.XX.00 Dilithium* Li2Te P 222 2 2 2 |
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02.XX.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m |
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02.XX.00 Horsfordite? Cu5Sb Unk Cubic |
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02.XX.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 43n Cubic |
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02.XX.00 Imgreite? NiTe P 63/mmc 6/m 2/m 2/m |
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02.XX.00 Matraite? ZnS R 3m 3m |
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02.XX.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic |
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02.XX.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono |
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02.XX.00 Jeromite? As(S,Se)2 None |
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02.XX.00 Parajamesonite? Pb4FeSb6S14 Unk Ortho |
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02.XX.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 42m-,P 4212 Tetra |
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02.XX.00 Prassoite Rh17S15(?) P m3m 4/m 3 2/m |
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02.XX.00 Sakharovaite? (Pb,Fe)(Bi,Sb)2S4 Mono |
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02.XX.00 Samaniite Cu2Fe5Ni2S8 P 41/mmm 4mm |
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02.XX.00 Tazieffite! Pb20Cd2(As,Bi)22S50Cl10 C 2/c 2/m |
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02.XX.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm |
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Other Isochalcopyrite Information
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| References: |
PHYS. PROP.(Am.Min.,Vol.75,p432,1990) |
| See Also: |
Links to other databases for Isochalcopyrite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
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Isochalcopyrite
Cu8Fe9S16
Dana No: 02.00.00.00 Strunz No: 02.XX.00
Locality:
Notes:
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