Putoranite Mineral Data

Putoranite Mineral Data +

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General Putoranite Information

Chemical Formula:

Cu1.1Fe1.2S2

Composition:

Molecular Weight = 201.05 gm

Iron 33.33 % Fe

Copper 34.77 % Cu

Sulfur 31.90 % S

______

100.00 %

Empirical Formula:

Cu_1.1Fe²⁺_1.2S₂

Environment:

In massive mooihoekite ores.

IMA Status:

Approved IMA 1980

Locality:

Oktyabr mine, Talnakh, Norilsk, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Putoran Mountains, Siberia.

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Putoranite Crystallography

Cell Dimensions:

a = 5.3, Z = 2; V = 148.88 Den(Calc)= 4.48

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: P n3n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.05(1), 1.874(0.9), 1.597(0.6),

Physical Properties of Putoranite

Cleavage:

[???] Good

Color:

Brass yellow.

Density:

4.48

Diaphaniety:

Opaque

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Crystalline - Coarse - Occurs as well-formed coarse sized crystals.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Metallic

Streak:

black

Optical Properties of Putoranite

RL Anisotrophism:

Nickelian variety distinctly anisotropic.

RL Color:

Light yellow.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Putoranite in Air**
λ	R	∑ R(λ)
460 nm	24.40
480 nm	25.10
500 nm	30.00
520 nm	31.80
540 nm	38.00
560 nm	40.00
580 nm	41.20
600 nm	41.20
620 nm	41.90
640 nm	41.90
660 nm	41.60
680 nm	41.20
700 nm	41.00

**Calculated Relative Intensity Colors of Putoranite in Air**
Relative Intensity	0%	40%	80%	100%	120%	160%	200%	240%	280%	320%	340%
R

Calculated Properties of Putoranite

Electron Density:

r_electron=4.24 gm/cc
note: r_Putoranite=4.48 gm/cc.

Fermion Index

Fermion Index = 0.00945
Boson Index = 0.99055

Photoelectric:

PE_Putoranite= 27.42 barns/electron
U=PE_Putoranite x r_electron= 116.23 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Putoranite is Not Radioactive

Putoranite Classification

Dana Class:

2.9.7.1 (2)Sulfides - Including Selenides and Tellurides

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

(2.9.7)Dana Group

2.9.7.1 Putoranite Cu1.1Fe1.2S2 P n3n 4/m 3 2/m

Strunz Class:

II/C.04-30 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.04 - Chalcopyrite group, Mooihoekite - Orickite series

II/C.04-10 Mooihoekite Cu9Fe9S16 P 4₂m- 4 2m

II/C.04-20 Haycockite Cu4Fe5S8 P 222 2 2 2

II/C.04-30 Putoranite Cu1.1Fe1.2S2 P n3n 4/m 3 2/m

II/C.04-35 Isochalcopyrite* Cu8Fe9S16 Unk Cubic

II/C.04-40 Talnakhite Cu9(Fe,Ni)8S16 I 43m 4 3m

II/C.04-50 Isocubanite CuFe2S3 F m3m 4/m 3 2/m

II/C.04-60 Orickite CuFeS2·(H2O) Unk Hex

Other Putoranite Information

References:

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

See Also:

Links to other databases for Putoranite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Putoranite

Cu1.1Fe1.2S2
Dana No: 2.9.7.1 Strunz No: II/C.04-30
Locality:

Notes: