Simonkolleite Mineral Data
General Simonkolleite Information
Chemical Formula:
Zn5(OH)8Cl2•(H2O)
Composition:
Molecular Weight = 551.93 gm
Zinc 59.24 % Zn 73.73 % ZnO
Hydrogen 1.83 % H 16.32 % H2 O
Chlorine 12.85 % Cl 12.85 % Cl
- %
Cl -2.90 % -O=Cl2
Oxygen 26.09 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Zn5 (OH)8 Cl2 •(H2 O)
Environment:
Weathering product of Zn-bearing slags.
IMA Status:
Approved IMA 1985
Locality:
Richelsdorf foundary, Hesse, Germany. Link to MinDat.org Location Data.
Name Origin:
Named for Werner Simon (1939-) and Kurt Kolle (1949-), mineral collectors from Conrberg, Germany.
Name Pronunciation:
Simonkolleite + Pronunciation
Synonym:
ICSD 34904
IMA1983-019
PDF 7-155
Simonkolleite Image
Images:
Simonkolleite
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
Axial Ratios:
a:c = 1:3.72276
Cell Dimensions:
a = 6.334, c = 23.58, Z = 3; V = 819.28 Den(Calc)= 3.36
Crystal System:
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3 m
X Ray Diffraction:
By Intensity(I/Io ): 7.87(1), 2.672(0.6), 2.725(0.5),
Physical Properties of Simonkolleite
Cleavage:
{0001} Perfect
Color:
Colorless.
Density:
3.2
Diaphaneity:
Transparent to Translucent
Habit:
Hexagonal - Six-sided crystal shape in cross-section or habit.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
1.5 - Between Talc and Gypsum
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Simonkolleite
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
Optical Data:
Uniaxial (+), w=1.657, e=1.7, bire=0.0430.
Calculated Properties of Simonkolleite
Electron Density:
Bulk Density (Electron Density)=3.08 gm/cc note: Specific Gravity of Simonkolleite =3.20 gm/cc.
Fermion Index:
Fermion Index = 0.02 Boson Index = 0.98
Photoelectric:
PESimonkolleite = 30.27 barns/electronU=PESimonkolleite x r Electron Density= 93.38 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Simonkolleite is Not Radioactive
Simonkolleite Classification
Dana Class:
10.05.08.01 (10) Oxyhalides and Hydroxyhalides
(10.05) where Am (O,OH)p Xq
(10.05.08) Dana Group
10.05.08.01 Simonkolleite Zn5(OH)8Cl2•(H2O) R 3 m 3 2/m
10.05.08.02 Bobkingite ! Cu5Cl2(OH)8(H2O)2 C 2/m 2/m
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 3 m 3 2/m
Other Simonkolleite Information
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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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Print or Cut-and-Paste your Simonkolleite Specimen Label here :
Simonkolleite
Zn5(OH)8Cl2•(H2O)
Dana No: 10.05.08.01 Strunz No: 03.DA.20
Locality:
Notes:
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