Idaite Mineral Data (original) (raw)

General Idaite Information

Help on Chemical Formula: Chemical Formula:

Cu5FeS6

Help on Composition: Composition:

Molecular Weight = 565.97 gm

Iron 9.87 % Fe

Copper 56.14 % Cu

Sulfur 33.99 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Cu5Fe2+S6

Help on Environment: Environment:

A lamellar decomposition product of bornite, commonly associated with fine spindles of chalcopyrite, apparently of secondary origin as the first product of enrichment.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1958

Help on Locality: Locality:

Ida mine, Khan, and Tsumeb, Namibia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Name Pronunciation: Name Pronunciation:

Idaite Say IDAITE

Help on Synonym: Synonym:

ICSD 16552 ?

PDF 13-161

Idaite Image

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Idaite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:4.34615

Help on Cell Dimensions: Cell Dimensions:

a = 3.9, c = 16.95, Z = 1; V = 223.27 Den(Calc)= 4.21

Help on Crystal System: Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.134(1), 2.818(0.8), 1.887(0.65),

Physical Properties of Idaite

Help on Color: Color:

Brown, Copper red, Red.

Help on Density: Density:

4.2

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Inclusions - Generally found as inclusions in other minerals.

Help on Habit: Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Help on Hardness: Hardness:

2.5-3.5 - Finger Nail-Copper Penny

Help on Luster: Luster:

Metallic

Optical Properties of Idaite

Help on RL Anisotrophism: RL Anisotrophism:

Strong, reddish orange to reddish brown.

Help on RL Color: RL Color:

Coppery red to pinchbeck brown.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Idaite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
400 nm 13.90 17.70
420 nm 14.80 18.50
440 nm 15.70 19.30
460 nm 16.90 21.00
480 nm 18.40 23.20
500 nm 20.50 25.50
520 nm 23.20 27.80
540 nm 26.10 29.40
560 nm 28.90 30.60
580 nm 30.60 31.40
600 nm 31.90 31.60
620 nm 32.80 31.90
640 nm 33.50 32.20
660 nm 34.10 32.80
680 nm 34.70 33.20
700 nm 35.20 33.70

Calculated Relative Intensity Colors of Idaite in Air

RelativeIntensity 0% 60% 100% 120% 180% 240% 300% 360% 420% 480% 530%
R1
R2

Calculated Properties of Idaite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.97 gm/cc
note: Specific Gravity of Idaite =4.21 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0046414341
Boson Index = 0.9953585659

Help on Photoelectric: Photoelectric:

PEIdaite = 29.94 barns/electron
U=PEIdaite x rElectron Density= 118.91 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Idaite is Not Radioactive

Idaite Classification

Help on Dana Class: Dana Class:

02.09.14.01 (02)Sulfides - Including Selenides and Tellurides

(02.09)where Am Bn Xp, with (m+n):p=1:1

(02.09.14)Dana Group

02.09.14.01 Idaite Cu5FeS6 P 63/mmc 6/m 2/m 2/m

02.09.14.02 Catamarcaite! Cu6GeWS8 P 63mc 6/m 2/m 2/m

Help on Strunz Class: Strunz Class:

02.CB.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.C - Metal Sulfides, M:S = 1:1 (and similar)

02.CB -With Zn, Fe, Cu, Ag, Au, etc

02.CB.15a Cernyite Cu2CdSnS4 I 42m 4 2m

02.CB.15a Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m

02.CB.15a Kesterite Cu2(Zn,Fe)SnS4 I 4 4

02.CB.15a Hocartite Ag2FeSnS4 I 42m 4 2m

02.CB.15a Idaite Cu5FeS6 P 63/mmc 6/m 2/m 2/m

02.CB.15a Kuramite Cu3SnS4 I 42m 4 2m

02.CB.15a Pirquitasite Ag2ZnSnS4 I 42m 4 2m

02.CB.15a Stannite Cu2FeSnS4 I 42m 4 2m

02.CB.15a Velikite Cu2HgSnS4 I 42m 4 2m

Other Idaite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)

Help on See Also: See Also:

Links to other databases for Idaite :
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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Ask about Idaite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa�ol

Print or Cut-and-Paste your Idaite Specimen Label here :

Idaite

Cu5FeS6
Dana No: 02.09.14.01 Strunz No: 02.CB.15a
Locality:

Notes: