Mineralogy Database

Ashoverite Mineral Data

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General Ashoverite Information

Help on Chemical  Formula: Chemical Formula: Zn(OH)2
Help on Composition: Composition: Molecular Weight = 99.40 gm
   Zinc      65.78 %  Zn   81.88 % ZnO
   Hydrogen   2.03 %  H    18.12 % H2O
   Oxygen    32.19 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn(OH)2
Help on Environment: Environment: In a vein in a limestone quarry, on fluorite associated with the polymorphs, sweetite and wulfingite.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Milltown, near Ashover, Derbyshire, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ashoverite + Pronunciation Say ASHOVERITE
 

Ashoverite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:4.88791
Help on Cell Dimensions: Cell Dimensions: a = 6.825, c = 33.36, Z = 32; V = 1,553.93 Den(Calc)= 3.40
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.902(1), 1.819(0.33), 1.702(0.21),
 

Physical Properties of Ashoverite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 3.3
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Luminescence: Luminescence: Fluorescent, Short UV=bluish white.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Ashoverite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.006 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1865,KPDmeas= 0.1921,KC= 0.191
Ncalc = 1.63 - 1.65
Help on Optical Data: Optical Data: Uniaxial (+), w=1.629, e=1.639, bire=0.0100.
 

Calculated Properties of Ashoverite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.19 gm/cc
note: Specific Gravity of Ashoverite =3.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEAshoverite = 32.62 barns/electron
U=PEAshoverite x rElectron Density= 103.95 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ashoverite is Not Radioactive
 

Ashoverite Classification

Help on  Dana Class: Dana Class: 06.02.11.01 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.02)where X++ (OH)2
  (06.02.11)Dana Group
 
06.02.11.01 Ashoverite Zn(OH)2 I 41/amd 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.FA.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FA -Hydroxides with OH, without H2O; corner-sharing tetrahedra
 
04.FA.10 Ashoverite Zn(OH)2 I 41/amd 4/m 2/m 2/m
 
04.FA.10 Sweetite Zn(OH)2 P 41212,P 43212 4 2 2
 
04.FA.10 Wulfingite Zn(OH)2 P 212121 2 2 2
 

Other Ashoverite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p431,1990) OPTIC PROP.(Am.Min.,Vol.75,p431,1990)
Help on See Also: See Also: Links to other databases for Ashoverite :
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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Print or Cut-and-Paste your Ashoverite Specimen Label here :

Ashoverite

Zn(OH)2
Dana No: 06.02.11.01 Strunz No: 04.FA.10
Locality:

 

Notes:

 

 
   
 


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