Simonkolleite Mineral Data

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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 % H₂O

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)₈Cl₂•(H₂O)

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 ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 7.87(1), 2.672(0.6), 2.725(0.5),

Crystal Structure:

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drag2 - RMB Resize/Rotate
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Hawthorne F C , Sokolova E V , The Canadian Mineralogist , 40 (2002) p.939-946, Simonkolleite, Zn5(OH)8Cl2(H2O), a decorated interrupted-sheet structure

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:

PE_{Simonkolleite}= 30.27 barns/electron
U=PE_{Simonkolleite} x rElectron 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 3m 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 3m 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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Ask about Simonkolleite here :
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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: