Khaidarkanite Mineral Data

Khaidarkanite Mineral Data
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General Khaidarkanite Information

Help on Chemical Formula: Chemical Formula: Na0.34Cu4Al3(OH)14F3•2(H2O)
Help on Composition: Composition: Molecular Weight = 674.07 gm
   Sodium     1.16 %  Na    1.56 % Na2O
   Aluminum  12.01 %  Al   22.69 % Al2O3
   Copper    37.71 %  Cu   42.46 % Cu2O
   Hydrogen   2.69 %  H    24.05 % H2O
   Oxygen    37.98 %  O
   Fluorine   8.46 %  F     8.46 % F
               -   %   F    -3.56 % -O=F2    
            ______        ______ 
            100.00 %       95.66 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.34Cu4Al3(OH)14F3•2(H2O)
Help on Environment: Environment: Oxidation zone of an antimony-mercury deposit.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Khaidarkan antimony-mercury deposit, northern slope of the Alai Range, Fergana Valley, Kyrgyzstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the discovery locality.
Help on Synonym: Synonym: IMA1998-013
 

Khaidarkanite Image

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Khaidarkanite

Comments: Sky blue acicular radial sprays of khaidarkanite.
Location: Khaidarkan, Kyrgizia. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Khaidarkanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =4.2469:1:3.5669
Help on Cell Dimensions: Cell Dimensions: a = 12.346, b = 2.907, c = 10.369, Z = 1; beta = 97.9° V = 368.61 Den(Calc)= 3.04
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.006(1), 2.362(1), 4.232(1),2.828(0.9), 5.589(0.9), 1.871(0.8), 10.29(0.8),
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Rastsvetaeva R K , Chukanov N V , Karpenko V Y , Doklady Chemistry , 353 (1997) p.45-48, Crystal structure of new native compound Cu4Al3(OH)14F3(H2O)2, Locality: Khaidarkan, Kyrgyzstan

 

Physical Properties of Khaidarkanite

Help on Cleavage: Cleavage: {100} Imperfect
Help on Color: Color: Bright blue.
Help on Density: Density: 2.84
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light blue
 

Optical Properties of Khaidarkanite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.077 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.138 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2026,KPDmeas= 0.2169,KC= 0.235
Ncalc = 1.67 - 1.71
Help on Optical Data: Optical Data: Biaxial (+), a=1.585, b=1.615, g=1.648, bire=0.0630
 

Calculated Properties of Khaidarkanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.80 gm/cc
note: Specific Gravity of Khaidarkanite =2.84 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001863251
Boson Index = 0.9998136749
Help on Photoelectric: Photoelectric: PEKhaidarkanite = 16.62 barns/electron
U=PEKhaidarkanite x rElectron Density= 46.47 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Khaidarkanite is Not Radioactive
 

Khaidarkanite Classification
Help on Dana Class: Dana Class: 10.06.13.01 (10)Oxyhalides and Hydroxyhalides
  (10.06)where Am Bn (O,OH)p Xq
  (10.06.13)Dana Group
 
10.06.13.01 Khaidarkanite! Na0.34Cu4Al3(OH)14F3•2(H2O) C 2/m 2/m
Help on Strunz Class: Strunz Class: 03.DA.45 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
 
03.DA.45 Khaidarkanite! Na0.34Cu4Al3(OH)14F3•2(H2O) C 2/m 2/m
 

Other Khaidarkanite Information
Help on References: References: NAME( CanMin, 8/99) PHYS. PROP.(MinRec, Vol 31, No 4) OPTIC PROP.(MinRec, Vol 31, No 2)
Help on See Also: See Also: Links to other databases for Khaidarkanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Khaidarkanite

Na0.34Cu4Al3(OH)14F3•2(H2O)
Dana No: 10.06.13.01 Strunz No: 03.DA.45
Locality:

 

Notes: