Fukuchilite Mineral Data (original) (raw)
General Fukuchilite Information
Chemical Formula:
Cu3FeS8
Composition:
Molecular Weight = 503.01 gm
Iron 11.10 % Fe
Copper 37.90 % Cu
Sulfur 51.00 % S
______
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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Fukuchilite Image
Images:
Fukuchilite Crystallography
Cell Dimensions:
a = 5.58, Z = 1; V = 173.74 Den(Calc)= 4.81
Crystal System:
Isometric - DiploidalH-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),
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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| | Bayliss P , American Mineralogist , 74 (1989) p.1168-1176, Crystal chemistry and crystallography of some minerals within the pyrite group | | -------------------------------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Fukuchilite
Color:
Gray.
Density:
4.9
Diaphaneity:
Opaque
Hardness:
6 - Orthoclase
Luster:
Sub Metallic
Optical Properties of Fukuchilite
RL Color:
Pinkish brown, similar bornite.
Calculated Properties of Fukuchilite
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
Fukuchilite Classification
Dana Class:
02.12.01.07 (02)Sulfides - Including Selenides and Tellurides
(02.12)where Am Bn Xp, with (m+n):p=1:2
(02.12.01)Pyrite Group (Isometric: Pa3)
02.12.01.01 Pyrite FeS2 P a3 2/m 3
02.12.01.02 Vaesite NiS2 P a3 2/m 3
02.12.01.03 Cattierite CoS2 P a3 2/m 3
02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3
02.12.01.05 Trogtalite CoSe2 P a3 2/m 3
02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3
02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3
02.12.01.08 Krutaite CuSe2 P a3 2/m 3
02.12.01.09 Hauerite MnS2 P a3 2/m 3
02.12.01.10 Laurite RuS2 P a3 2/m 3
02.12.01.11 Aurostibite AuSb2 P a3 2/m 3
02.12.01.12 Krutovite NiAs2 P a3 2/m 3
02.12.01.13 Sperrylite PtAs2 P a3 2/m 3
02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3
02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3
02.12.01.16 Erlichmanite OsS2 P a3 2/m 3
02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3
02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3
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
02.E - Metal Sulfides, M:S � 1:2
02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
02.EB.05a Aurostibite AuSb2 P a3 2/m 3
02.EB.05a Cattierite CoS2 P a3 2/m 3
02.EB.05a Hauerite MnS2 P a3 2/m 3
02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3
02.EB.05a Dzharkenite FeSe2 P a3 2/m 3
02.EB.05a Erlichmanite OsS2 P a3 2/m 3
02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3
02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3
02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3
02.EB.05a Laurite RuS2 P a3 2/m 3
02.EB.05a Krutaite CuSe2 P a3 2/m 3
02.EB.05a Pyrite FeS2 P a3 2/m 3
02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3
02.EB.05a Sperrylite PtAs2 P a3 2/m 3
02.EB.05a Vaesite NiS2 P a3 2/m 3
02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3
02.EB.05a Trogtalite CoSe2 P a3 2/m 3
Other Fukuchilite Information
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: