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Zincalstibite Mineral Data

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General Zincalstibite Information

Help on Chemical  Formula: Chemical Formula: Zn2AlSb(OH)12
Help on Composition: Composition: Molecular Weight = 483.60 gm
   Aluminum   5.58 %  Al   10.54 % Al2O3
   Zinc      27.04 %  Zn   33.66 % ZnO
   Antimony  25.18 %  Sb   33.45 % Sb2O5
   Hydrogen   2.50 %  H    22.35 % H2O
   Oxygen    39.70 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn2AlSb(OH)12
Help on Environment: Environment: Found within the cavities of marble that was part of an epizonal metamorphic complex originating from a tertiary Tuscan sedimentary sequence. Zn analogue of cualstibite.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Apuan Alps, Tuscany, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition (ZINk, Aluminium, Stibium).
Help on Synonym: Synonym: IMA1998-033

Zincalstibite Image

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Comments: SEM image of two trianglular prizms of zincalstibite among small sticks of amorphous material.
Location: Apuan Alps, Tuscany, Italy. Scale: See Image.
© American Mineralogist

Zincalstibite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.83912
Help on Cell Dimensions: Cell Dimensions: a = 5.321, c = 9.786, Z = 2; V = 239.95 Den(Calc)= 6.69
Help on Crystal System: Crystal System: Trigonal - Rhombohedral H-M Symbol ( 3) Space Group: P 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.887(1), 4.897(1), 2.342(0.88),4.18(0.57), 4.615(0.35), 2.667(0.31), 3.366(0.18),

Physical Properties of Zincalstibite

Help on Cleavage: Cleavage: {001} Distinct
Help on Color: Color: Colorless.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Zincalstibite

Help on Optical Data: Optical Data: Uniaxial (?).
  NCalc= 2.35 - from Gladstone-Dale relationship (KC = 0.2022) where Ncalc=Dcalc*KC+1

Calculated Properties of Zincalstibite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.42 gm/cc
note: Specific Gravity of Zincalstibite =6.69 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZincalstibite = 90.90 barns/electron
U=PEZincalstibite x rElectron Density= 583.49 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zincalstibite is Not Radioactive

Zincalstibite Classification

Help on  Dana Class: Dana Class: (44)Antimonates
  (44.03)with miscellaneous formulae
  (44.03.10)Cualstibite Group Cualstibite Cu6Al3Sb3(OH)36 P 3 3 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 Zincalstibite Information

Help on References: References: NAME( AmMin, 92:198) PHYS. PROP.(AmMin, 92:198) OPTIC PROP.(AmMin, 92:198)
Help on See Also: See Also: Links to other databases for Zincalstibite :
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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Dana No: Strunz No: 04.FB.10





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