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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Fukuchilite Mineral Data
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General Fukuchilite Information
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Chemical Formula: |
Cu3FeS8 |
Composition: |
Molecular Weight = 503.01 gm |
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Iron 11.10 % Fe |
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Copper 37.90 % Cu |
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Sulfur 51.00 % S |
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100.00 % |
Empirical Formula: |
Cu3Fe2+S8 |
Environment: |
Found in an ore body of gypsum-anhydrite, occurring in interstices of small masses consisting of barite, covellite, and pyrite. |
IMA Status: |
Approved IMA 1969 |
Locality: |
Hanawa mine, Akita Prefecture, Honshu, Japan. Link to MinDat.org Location Data. |
Name Origin: |
For Nobuyo Fukuchi (1877-1934). |
Name Pronunciation: |
Fukuchilite + Pronunciation |
Synonym: |
ICSD 74217 |
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PDF 24-365 |
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Fukuchilite Image |
Images:
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Fukuchilite Crystallography
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Cell Dimensions: |
a = 5.58, Z = 1; V = 173.74 Den(Calc)= 4.81 |
Crystal System: |
Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3 |
X Ray Diffraction: |
By Intensity(I/Io): 2.789(1), 1.685(0.8), 3.21(0.8), |
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Physical Properties of Fukuchilite
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Color: |
Gray. |
Density: |
4.9 |
Diaphaneity: |
Opaque |
Hardness: |
6 - Orthoclase |
Luster: |
Sub Metallic |
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Optical Properties of Fukuchilite
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RL Color: |
Pinkish brown, similar bornite. |
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Calculated Properties of Fukuchilite
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Electron Density: |
Bulk Density (Electron Density)=4.61 gm/cc note: Specific Gravity of Fukuchilite =4.81 gm/cc. |
Fermion Index: |
Fermion Index = 0.0061786006 Boson Index = 0.9938213994 |
Photoelectric: |
PEFukuchilite = 22.82 barns/electron U=PEFukuchilite x rElectron Density= 105.17 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Fukuchilite is Not Radioactive |
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Fukuchilite Classification
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Dana Class: |
02.12.01.07 (02)Sulfides - Including Selenides and Tellurides |
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(02.12)where Am Bn Xp, with (m+n):p=1:2 |
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(02.12.01)Pyrite Group (Isometric: Pa3) |
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02.12.01.01 Pyrite FeS2 P a3 2/m 3 |
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02.12.01.02 Vaesite NiS2 P a3 2/m 3 |
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02.12.01.03 Cattierite CoS2 P a3 2/m 3 |
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02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3 |
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02.12.01.05 Trogtalite CoSe2 P a3 2/m 3 |
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02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3 |
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02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3 |
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02.12.01.08 Krutaite CuSe2 P a3 2/m 3 |
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02.12.01.09 Hauerite MnS2 P a3 2/m 3 |
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02.12.01.10 Laurite RuS2 P a3 2/m 3 |
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02.12.01.11 Aurostibite AuSb2 P a3 2/m 3 |
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02.12.01.12 Krutovite NiAs2 P a3 2/m 3 |
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02.12.01.13 Sperrylite PtAs2 P a3 2/m 3 |
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02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3 |
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02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3 |
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02.12.01.16 Erlichmanite OsS2 P a3 2/m 3 |
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02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3 |
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02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3 |
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02.12.01.19 Mayingite IrBiTe P a3 2/m 3 |
Strunz Class: |
02.EB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.E - Metal Sulfides, M:S � 1:2 |
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02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc. |
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02.EB.05a Aurostibite AuSb2 P a3 2/m 3 |
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02.EB.05a Cattierite CoS2 P a3 2/m 3 |
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02.EB.05a Hauerite MnS2 P a3 2/m 3 |
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02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3 |
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02.EB.05a Dzharkenite FeSe2 P a3 2/m 3 |
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02.EB.05a Erlichmanite OsS2 P a3 2/m 3 |
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02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3 |
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02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3 |
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02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3 |
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02.EB.05a Laurite RuS2 P a3 2/m 3 |
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02.EB.05a Krutaite CuSe2 P a3 2/m 3 |
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02.EB.05a Pyrite FeS2 P a3 2/m 3 |
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02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3 |
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02.EB.05a Sperrylite PtAs2 P a3 2/m 3 |
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02.EB.05a Vaesite NiS2 P a3 2/m 3 |
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02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3 |
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02.EB.05a Trogtalite CoSe2 P a3 2/m 3 |
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Other Fukuchilite 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 Fukuchilite :
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Fukuchilite Specimen Label here :
Fukuchilite
Cu3FeS8
Dana No: 02.12.01.07 Strunz No: 02.EB.05a
Locality:
Notes:
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