Haydeeite Mineral Data

Haydeeite Mineral Data
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General Haydeeite Information

Help on Chemical Formula: Chemical Formula: Cu3Mg(OH)6Cl2
Help on Composition: Composition: Molecular Weight = 382.25 gm
   Magnesium   6.04 %  Mg   10.02 % MgO
   Copper     49.04 %  Cu   61.39 % CuO
   Hydrogen    1.66 %  H    14.85 % H2O
   Chlorine   17.81 %  Cl   17.81 % Cl
                -   %   Cl   -4.02 % -O=Cl2   
   Oxygen     25.45 %  O
             ______        ______ 
             100.00 %      100.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu2.95Mg0.95H6.3Cl1.92O6.08
Help on Environment: Environment: Atacamite group
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Haydee mine, 144 km South of Iquique, Tarapacá Province, Northern Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Synonym: Synonym: IMA2006-046
 

Haydeeite Image

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Haydeeite

Comments: Blue crystalline druze of haydeeite on matrix.
Location: Haydee Mine, Iquiqua, Paparaca, Chile. Scale: Specimen Size 2 1/2 in x 2 in.
© Chris Wright / Wrights Rock Shop

Haydeeite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.91613
Help on Cell Dimensions: Cell Dimensions: a = 6.2733, c = 5.7472, Z = 1; V = 195.88 Den(Calc)= 3.24
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.745(1), 2.872(0.17), 1.915(0.09),2.455(0.06),
Click Here for Large Haydeeite Structure Window Crystal Structure:

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Malcherek T , Schluter J , Acta Crystallographica, Section B , 63 (2007) p.157-160, Cu3MgCl2(OH)6 and the bond-valence parameters of the OH-Cl bond, Locality: Haydee mine, Salar Grande, Atacama desert, Chile

 

Physical Properties of Haydeeite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Bluish green.
Help on Density: Density: 3.27
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: bright greenish blue
 

Optical Properties of Haydeeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.032 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2258,KPDmeas= 0.2237,KC= 0.2311
Ncalc = 1.75 - 1.76
Help on Optical Data: Optical Data: Uniaxial (-), e=1.71, w=1.753, bire=0.0430.
 

Calculated Properties of Haydeeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.13 gm/cc
note: Specific Gravity of Haydeeite =3.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0061651923
Boson Index = 0.9938348077
Help on Photoelectric: Photoelectric: PEHaydeeite = 22.74 barns/electron
U=PEHaydeeite x rElectron Density= 71.14 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Haydeeite is Not Radioactive
 

Haydeeite Classification
Help on Dana Class: Dana Class: 10.01.01.04 (10)Oxyhalides and Hydroxyhalides
  (10.01)where (A)2 (O,OH)3 Xq
  (10.01.01)Atacamite group
 
10.01.01.01 Atacamite Cu2Cl(OH)3 Pmcn 2/m 2/m 2/m
 
10.01.01.02 Hibbingite (Fe,Mg)2(OH)3Cl Pnam 2/m 2/m 2/m
 
10.01.01.03 Gillardite! Cu3NiCl2(OH)6 R 3m 3
 
10.01.01.04 Haydeeite! Cu3Mg(OH)6Cl2 R 3m 3
Help on Strunz Class: Strunz Class: 03.DA.10c 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
 
03.DA.10c Paratacamite (Cu,Zn)2(OH)3Cl R 3 3
 
03.DA.10c Gillardite! Cu3NiCl2(OH)6 R 3m 3
 
03.DA.10c Herbertsmithite! Cu3Zn(OH)6Cl2 R 3m 3 2/m
 
03.DA.10c Kapellasite! Cu3Zn(OH)6Cl2 P 3m1 3 2/m
 
03.DA.10c Haydeeite! Cu3Mg(OH)6Cl2 R 3m 3
 

Other Haydeeite Information
Help on References: References: NAME( AmMin, v93:1943) PHYS. PROP.(AmMin, v93:1943) OPTIC PROP.(AmMin, v93:1943)
Help on See Also: See Also: Links to other databases for Haydeeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Ask about Haydeeite here :
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Print or Cut-and-Paste your Haydeeite Specimen Label here :

Haydeeite

Cu3Mg(OH)6Cl2
Dana No: 10.01.01.04 Strunz No: 03.DA.10c
Locality:

 

Notes: