Wulfingite Mineral Data

Wulfingite Mineral Data
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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 Name Pronunciation: Name Pronunciation: Wulfingite + Pronunciation Say WULFINGITE
Help on Synonym: Synonym: Wuelfingite
 

Wulfingite Image

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Wulfingite

Comments: Colorless equant crystal of wülfingite.
Location: Richelsdorf Smelter, Süss, 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),
Click Here for Large Wulfingite Structure Window Crystal Structure:

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Jacobs H , Niemann A , Kockelmann W , Zeitschrift fur Anorganische und Allgemeine Chemie , 631 (2005) p.1247-1254, Low temperature investigations of hydrogen bridge bonds in the hydroxides, beta-Be(OH)2 and epsilon-Zn(OH)2 by Raman-spectroscopy as well as X-ray and neutron diffraction, Locality: synthetic, Sample: T = 5 K

 

Physical Properties of Wulfingite

Help on Color: Color: Colorless, White.
Help on Density: Density: 3.05
Help on Diaphaneity: Diaphaneity: 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
Ncalc = 1.58
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: Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of Wulfingite =3.05 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEWulfingite = 32.62 barns/electron
U=PEWulfingite x rElectron Density= 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: 06.02.10.01 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.02)where X++ (OH)2
  (06.02.10)Dana Group
 
06.02.10.01 Wulfingite Zn(OH)2 P 212121 2 2 2
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 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 - 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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Wulfingite

Zn(OH)2
Dana No: 06.02.10.01 Strunz No: 04.FA.10
Locality:

 

Notes: