Mineralogy Database

Simonkolleite Mineral Data

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General Simonkolleite Information

Help on Chemical  Formula: Chemical Formula: Zn5(OH)8Cl2•(H2O)
Help on Composition: Composition: Molecular Weight = 551.93 gm
   Zinc      59.24 %  Zn   73.73 % ZnO
   Hydrogen   1.83 %  H    16.32 % H2O
   Chlorine  12.85 %  Cl   12.85 % Cl
               -   %   Cl   -2.90 % -O=Cl2   
   Oxygen    26.09 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn5(OH)8Cl2•(H2O)
Help on Environment: Environment: Weathering product of Zn-bearing slags.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Richelsdorf foundary, Hesse, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Werner Simon (1939-) and Kurt Kolle (1949-), mineral collectors from Conrberg, Germany.
Help on Name Pronunciation: Name Pronunciation: Simonkolleite + Pronunciation Say SIMONKOLLEITE
Help on Synonym: Synonym: ICSD 34904
  PDF 7-155

Simonkolleite Image

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Comments: Very small colorless crystals with hexagonal shape of simonkolleite.
Location: Richelsdorf Smelter, Süss, Richelsdorf District, Hesse, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Simonkolleite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:3.72276
Help on Cell Dimensions: Cell Dimensions: a = 6.334, c = 23.58, Z = 3; V = 819.28 Den(Calc)= 3.36
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.87(1), 2.672(0.6), 2.725(0.5),

Physical Properties of Simonkolleite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 3.2
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Hexagonal - Six-sided crystal shape in cross-section or habit.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1.5 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Simonkolleite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.05 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2019,KPDmeas= 0.212,KC= 0.2126
Ncalc = 1.68 - 1.71
Help on Optical Data: Optical Data: Uniaxial (+), w=1.657, e=1.7, bire=0.0430.

Calculated Properties of Simonkolleite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.08 gm/cc
note: Specific Gravity of Simonkolleite =3.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PESimonkolleite = 30.27 barns/electron
U=PESimonkolleite x rElectron Density= 93.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Simonkolleite is Not Radioactive

Simonkolleite Classification

Help on  Dana Class: Dana Class: (10)Oxyhalides and Hydroxyhalides
  (10.05)where Am (O,OH)p Xq
  (10.05.08)Dana Group Simonkolleite Zn5(OH)8Cl2•(H2O) R 3m 3 2/m Bobkingite! Cu5Cl2(OH)8(H2O)2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 03.DA.20 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
03.DA.20 Simonkolleite Zn5(OH)8Cl2•(H2O) R 3m 3 2/m

Other Simonkolleite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Simonkolleite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Dana No: Strunz No: 03.DA.20





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