Wulfingite Mineral Data + Say WULFINGITE


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General Wulfingite 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: Fluorite veins in a limestone quarry. Polymorth of sweetite and ashoverite.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Milltown, near Ashover, Derbyshite, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ernst Anton Wulfing (1860-1930), professor of mineralogy and petrography, Heidelberg University.
Help on Synonym: Synonym: Wuelfingite
 

Wulfingite Image

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Wulfingite

Comments: Colorless equant crystal of w?lfingite.
Location: Richelsdorf Smelter, S?ss, Richelsdorf District, Hesse, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Wulfingite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.6447:1:0.9525
Help on Cell Dimensions: Cell Dimensions: a = 8.49, b = 5.162, c = 4.917, Z = 4; V = 215.49 Den(Calc)= 3.06
Help on Crystal System: Crystal System: Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.28(1), 4.407(1), 4.25(0.8),
 

Physical Properties of Wulfingite

Help on Color: Color: Colorless, White.
Help on Density: Density: 3.05
Help on Diaphaniety: Diaphaniety: Transparent to Translucent
Help on Habit: Habit: Pseudo Octohedral - Crystals show an octohedral outline.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Waxy
Help on Streak: Streak: white
 

Optical Properties of Wulfingite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.01 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1885,KPDmeas= 0.1891,KC= 0.191
Help on Optical Data: Optical Data: Biaxial (+), a=1.5722, b=1.5781, g=1.5801, bire=0.0079, 2V(Calc)=60, 2V(Meas)=60.
 

Calculated Properties of Wulfingite

Help on Electron Density: Electron Density:

relectron=2.95 gm/cc
note: rWulfingite =3.05 gm/cc.

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

PEWulfingite = 32.62 barns/electron
U=PEWulfingite x relectron= 96.07 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Wulfingite is Not Radioactive

 

Wulfingite Classification

Help on  Dana Class: Dana Class: 6.2.10.1 (6)Hydroxides and Oxides Containing Hydroxyl
  (6.2)where X++ (OH)2
  (6.2.10)Dana Group
 
6.2.10.1 Wulfingite Zn(OH)2 P 212121 2 2 2
Help on  Strunz Class: Strunz Class: IV/F.03-80 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 Wulfingite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.73,p196,1988) OPTIC PROP.(Am.Min.,Vol.73,p196,1988)
Help on See Also: See Also: Links to other databases for Wulfingite :
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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Wulfingite

Zn(OH)2
Dana No: 6.2.10.1 Strunz No: IV/F.03-80
Locality:

 

Notes:

 

 
   
 
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