Mineralogy Database

Khatyrkite Mineral Data

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General Khatyrkite Information

Help on Chemical  Formula: Chemical Formula: (Cu,Zn)Al2
Help on Composition: Composition: Molecular Weight = 117.97 gm
   Aluminum  45.74 %  Al
   Zinc      13.86 %  Zn
   Copper    40.40 %  Cu
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu0.75Zn0.25Al2
Help on Environment: Environment: In black slick washed from greenish gray cover weathering from serpentine. Intimately intergrown with cupalite in small grains.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Khatirskii ultramafic zone of the Koryak-Kamchata fold area, Koryak Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Khatyrkite + Pronunciation Say KHATYRKITE
Help on Synonym: Synonym: ICSD 42517
  PDF 25-12

Khatyrkite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image


Comments: Left: Black khatyrkite with spinel, olivine and augite (whitish material). Right: High-resolution image (collection through a transmission electron microscope) of a region of about 15 nanometers showing 5 fold symmetry.
Location: Khatirskii ultramafic zone of the Koryak-Kamchata fold area, Koryak Mountains, Russia.. Scale: Not Given.
© Museum of Natural History

Khatyrkite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.8056
Help on Cell Dimensions: Cell Dimensions: a = 6.07, c = 4.89, Z = 4; V = 180.17 Den(Calc)= 4.35
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 4/mcm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.27(1), 2.119(0.8), 2.372(0.7),3.04(0.5), 1.894(0.4), 2.156(0.2),

Physical Properties of Khatyrkite

Help on Cleavage: Cleavage: {100} Indistinct
Help on Color: Color: Steel-gray yellow.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Malleable - Deforms rather than breaking apart with a hammer.
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: dark gray

Optical Properties of Khatyrkite

Help on Optical Data: Optical Data: NCalc= 1.9 - from Gladstone-Dale relationship (KC = 0.2062) where Ncalc=Dcalc*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Distinct, grayish brown to red.
Help on RL Color: RL Color: Basal sections bluish, otherwise, blue to creamy pink.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Khatyrkite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 440 nm   75.80   70.10 
 460 nm   75.60   70.30 
 480 nm   75.90   71.50 
 500 nm   76.50   73.00 
 520 nm   76.40   74.50 
 540 nm   76.10   76.10 
 560 nm   75.30   77.40 
 580 nm   74.30   78.40 
 600 nm   73.20   79.20 
 620 nm   72.00   79.70 
 640 nm   70.70   79.80 
 660 nm   69.50   79.90 
 680 nm   68.50   79.80 
 700 nm   67.50   79.50 
Calculated Relative Intensity Colors of Khatyrkite in Air
   0%   20%   40%   60%   80% 100% 120% 130%

Calculated Properties of Khatyrkite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.07 gm/cc
note: Specific Gravity of Khatyrkite =4.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0056815042
Boson Index = 0.9943184958
Help on Photoelectric: Photoelectric: PEKhatyrkite = 26.36 barns/electron
U=PEKhatyrkite x rElectron Density= 107.39 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Khatyrkite is Not Radioactive

Khatyrkite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.15)Dana Group Cupalite (Cu,Zn)Al Unk Ortho Khatyrkite (Cu,Zn)Al2 I 4/mcm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 01.AA.15 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
  01.A - Metals and Intermetallic Alloys
  01.AA -Copper-cupalite family
01.AA.15 Anyuiite Au(Pb,Sb)2 I 4/mcm 4/m 2/m 2/m
01.AA.15 Khatyrkite (Cu,Zn)Al2 I 4/mcm 4/m 2/m 2/m
01.AA.15 Novodneprite! AuPb3 I 4/2m 4/m

Other Khatyrkite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Khatyrkite :
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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Dana No: Strunz No: 01.AA.15





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