Ashoverite Mineral Data + Say ASHOVERITE


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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.
 

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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 DipyramidalH-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 Diaphaniety: Diaphaniety: 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
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:

relectron=3.19 gm/cc
note: rAshoverite =3.30 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.02712
Boson Index = 0.97288
Help on Photoelectric: Photoelectric:

PEAshoverite = 32.62 barns/electron
U=PEAshoverite x relectron= 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: 6.2.11.1 (6)Hydroxides and Oxides Containing Hydroxyl
  (6.2)where X++ (OH)2
  (6.2.11)Dana Group
 
6.2.11.1 Ashoverite Zn(OH)2 I 41/amd 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: IV/F.03-70 IV - Oxides
  IV/F - Hydroxides and oxidic hydrates, water-bearing oxides with layered structure
  IV/F.03 - Brucite series
 
IV/F.03-10 Brucite Mg(OH)2 P 3m1 3 2/m
 
IV/F.03-20 Amakinite (Fe,Mg)(OH)2 P 3m1 3 2/m
 
IV/F.03-30 Pyrochroite Mn(OH)2 P 3m1 3 2/m
 
IV/F.03-40 Theophrastite Ni(OH)2 P 3m1 3 2/m
 
IV/F.03-50 Paraotwayite Ni(OH)2-x(SO4,CO3)0.5xx=.5 Pm m
 
IV/F.03-60 Sweetite Zn(OH)2 P 41212,P 43212 4 2 2
 
IV/F.03-70 Ashoverite Zn(OH)2 I 41/amd 4/m 2/m 2/m
 
IV/F.03-80 Wulfingite Zn(OH)2 P 212121 2 2 2
 
IV/F.03-90 Spertiniite Cu(OH)2 C mc21 mm2
 
IV/F.03-100 Portlandite Ca(OH)2 P 3m1 3 2/m
 

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Ashoverite Specimen Label here :

Ashoverite

Zn(OH)2
Dana No: 6.2.11.1 Strunz No: IV/F.03-70
Locality:

 

Notes:

 

 
   
 
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