Dzharkenite Mineral Data

Dzharkenite Mineral Data +

General Dzharkenite Information

Chemical Formula:

FeSe2

Composition:

Molecular Weight = 213.77 gm

Iron 26.13 % Fe

Selenium 73.87 % Se

______

100.00 %

Empirical Formula:

Fe²⁺Se₂

Environment:

In selenium ore associated with ferrosellite and goethite. Polymorphous with ferroselite.

IMA Status:

Approved IMA 1995

Locality:

In the Suluchekinskoye Se-U deposit, Dzharkenskaya depression, SE Kazakhstan. Link to MinDat.org Location Data.

Name Origin:

Named after its locality.

Synonym:

IMA1993-054

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Dzharkenite Crystallography

Cell Dimensions:

a = 5.783, Z = 4; V = 193.40 Den(Calc)= 7.34

Crystal System:

Isometric - DiploidalH-M Symbol (2/m 3) Space Group: P a3

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

By Intensity(I/I_o): 2.588(1), 2.364(0.8), 1.546(0.6),

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Physical Properties of Dzharkenite

Cleavage:

None

Color:

Black.

Density:

7.34

Diaphaniety:

Opaque

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Crystalline - Fine - Occurs as well-formed fine sized crystals.

Hardness:

5 - Apatite

Luster:

Metallic

Streak:

black

Optical Properties of Dzharkenite

RL Anisotrophism:

Absent.

RL Bireflectance:

Absent.

RL Color:

Pink-yellow.

RL Pleochroism:

Absent.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Dzharkenite in Air**
λ	R	∑ R(λ)
480 nm	41.70
540 nm	42.60
580 nm	45.10
660 nm	50.20

**Calculated Relative Intensity Colors of Dzharkenite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%
R

Calculated Properties of Dzharkenite

Electron Density:

r_electron=6.46 gm/cc
note: r_Dzharkenite=7.34 gm/cc.

Fermion Index

Fermion Index = 0.06168
Boson Index = 0.93832

Photoelectric:

PE_Dzharkenite= 67.56 barns/electron
U=PE_Dzharkenite x r_electron= 436.09 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Dzharkenite is Not Radioactive

Dzharkenite Classification

Dana Class:

2.12.1.17 (2)Sulfides - Including Selenides and Tellurides

(2.12)where Am Bn Xp, with (m+n):p=1:2

(2.12.1)Pyrite Group (Isometric: Pa3)

2.12.1.1 Pyrite FeS2 P a3 2/m 3

2.12.1.2 Vaesite NiS2 P a3 2/m 3

2.12.1.3 Cattierite CoS2 P a3 2/m 3

2.12.1.4 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

2.12.1.5 Trogtalite CoSe2 P a3 2/m 3

2.12.1.6 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

2.12.1.7 Fukuchilite Cu3FeS8 P a3 2/m 3

2.12.1.8 Krutaite CuSe2 P a3 2/m 3

2.12.1.9 Hauerite MnS2 P a3 2/m 3

2.12.1.10 Laurite RuS2 P a3 2/m 3

2.12.1.11 Aurostibite AuSb2 P a3 2/m 3

2.12.1.12 Krutovite NiAs2 P a3 2/m 3

2.12.1.13 Sperrylite PtAs2 P a3 2/m 3

2.12.1.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3

2.12.1.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

2.12.1.16 Erlichmanite OsS2 P a3 2/m 3

2.12.1.17 Dzharkenite FeSe2 P a3 2/m 3

2.12.1.18 Gaotaiite Ir3Te8 P a3 2/m 3

2.12.1.19 Mayingite IrBiTe P a3 2/m 3

Strunz Class:

II/D.17-65 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.17 - Pyrite group and related compounds, Fukuchilite - Micherenite

II/D.17-10 Fukuchilite Cu3FeS8 P a3 2/m 3

II/D.17-20 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

II/D.17-30 Pyrite FeS2 P a3 2/m 3

II/D.17-40 Cattierite CoS2 P a3 2/m 3

II/D.17-50 Vaesite NiS2 P a3 2/m 3

II/D.17-60 Hauerite MnS2 P a3 2/m 3

II/D.17-65 Dzharkenite FeSe2 P a3 2/m 3

II/D.17-70 Krutaite CuSe2 P a3 2/m 3

II/D.17-80 Trogtalite CoSe2 P a3 2/m 3

II/D.17-90 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

II/D.17-100 Laurite RuS2 P a3 2/m 3

II/D.17-110 Erlichmanite OsS2 P a3 2/m 3

II/D.17-120 Sperrylite PtAs2 P a3 2/m 3

II/D.17-130 Aurostibite AuSb2 P a3 2/m 3

II/D.17-140 Geversite Pt(Sb,Bi)2 P a3 2/m 3

II/D.17-150 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

II/D.17-153 Changchengite! IrBiS P 2₁3 2 3

II/D.17-155 Mayingite IrBiTe P a3 2/m 3

II/D.17-160 Maslovite PtBiTe P 2₁3 2 3

II/D.17-170 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

II/D.17-175 Padmaite PdBiSe P 2₁3 2 3

II/D.17-180 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

Other Dzharkenite Information

References:

NAME( MinRec, v 27, p 116) PHYS. PROP.(MinRec, v 27, p 116) OPTIC PROP.(MinRec, v 27, p 116)

See Also:

Links to other databases for Dzharkenite :
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 - WWW-MINCRYST

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

Dzharkenite

FeSe2
Dana No: 2.12.1.17 Strunz No: II/D.17-65
Locality:

Notes: