Cualstibite Mineral Data

Cualstibite Mineral Data
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General Cualstibite Information

Help on Chemical Formula: Chemical Formula: Cu++6Al3Sb3(OH)36
Help on Composition: Composition: Molecular Weight = 1,439.73 gm
   Aluminum   5.62 %  Al   10.62 % Al2O3
   Copper    26.48 %  Cu   33.15 % CuO
   Antimony  25.37 %  Sb   33.70 % Sb2O5
   Hydrogen   2.52 %  H    22.52 % H2O
   Oxygen    40.01 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu6Al3Sb3(OH)36
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Clara mine, Black Forest, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition (Cu, Al, Stibium - Latin for antimony).
 

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Cualstibite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.0576
Help on Cell Dimensions: Cell Dimensions: a = 9.2, c = 9.73, Z = 1; V = 713.21 Den(Calc)= 3.35
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: P 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.89(1), 2.33(0.9), 4.17(0.8),
Click Here for Large Cualstibite Structure Window Crystal Structure:

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Bonaccorsi E , Merlino S , Orlandi P , American Mineralogist , 92 (2007) p.198-203, Zincalstibite, a new mineral, and cualstibite: Crystal chemical and structural, relationships

 

Physical Properties of Cualstibite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue green.
Help on Density: Density: 3.18
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: pale blue
 

Optical Properties of Cualstibite

Help on Dichroism (e): Dichroism (e): colorless.
Help on Dichroism (w): Dichroism (w): pale blue green.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1964,KPDmeas= 0.2069,KC= 0.2065
Ncalc = 1.66 - 1.69
Help on Optical Data: Optical Data: Uniaxial (-), e=1.644, w=1.672, bire=0.0280.
 

Calculated Properties of Cualstibite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.05 gm/cc
note: Specific Gravity of Cualstibite =3.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001958086
Boson Index = 0.9998041914
Help on Photoelectric: Photoelectric: PECualstibite = 89.74 barns/electron
U=PECualstibite x rElectron Density= 273.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cualstibite is Not Radioactive
 

Cualstibite Classification
Help on Dana Class: Dana Class: 44.03.10.01 (44)Antimonates
  (44.03)with miscellaneous formulae
  (44.03.10)Cualstibite Group
 
44.03.10.01 Cualstibite Cu6Al3Sb3(OH)36 P 3 3
 
44.03.10.02 Zincalstibite! Zn2AlSb(OH)12 P 3 3
Help on Strunz Class: Strunz Class: 04.FB.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FB -Hydroxides with OH, without H2O; insular octahedra
 
04.FB.10 Cualstibite Cu6Al3Sb3(OH)36 P 3 3
 
04.FB.10 Zincalstibite! Zn2AlSb(OH)12 P 3 3
 

Other Cualstibite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin 92:198) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Cualstibite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Cualstibite

Cu++6Al3Sb3(OH)36
Dana No: 44.03.10.01 Strunz No: 04.FB.10
Locality:

 

Notes: