Rosickyite Mineral Data

General Rosickyite Information

Chemical Formula:

Composition:

Molecular Weight = 32.07 gm

Sulfur 100.00 % S

______

100.00 %

Empirical Formula:

Environment:

Found in fumaroles and in hollow limonite nodules.

IMA Status:

Valid Species (Pre-IMA) 1931

Locality:

Havï¿½rna and Visky, near Letovice, Morava (Moravia), Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named for Vojtech Rosicky, former Director of the Mineralogical and Petrological Institute of Masaryk University, Brno, Czechoslovakia.

Name Pronunciation:

Rosickyite + Pronunciation

Synonym:

ICSD 870

PDF 13-141

Rosickyite Image

Images:

Rosickyite

Comments: Orange selenian rosickyite (containing 48.9 wt-% Se).
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Rosickyite Crystallography

Axial Ratios:

a:b:c =0.6458:1:0.7059

Cell Dimensions:

a = 8.5, b = 13.16, c = 9.29, Z = 32; beta = 124.817° V = 853.15 Den(Calc)= 2.00

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2/c

Physical Properties of Rosickyite

Cleavage:

None

Color:

Colorless, Light yellow.

Density:

2.072 - 2.073, Average = 2.07

Diaphaneity:

Transparent to Translucent

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2-3 - Gypsum-Calcite

Luster:

Adamantine

Streak:

white

Optical Properties of Rosickyite

Optical Data:

Biaxial (-), b=1.97-2.058

Calculated Properties of Rosickyite

Electron Density:

Bulk Density (Electron Density)=2.00 gm/cc
note: Specific Gravity of Rosickyite =2.00 gm/cc.

Fermion Index:

Fermion Index = 0.0075
Boson Index = 0.9925

Photoelectric:

PE_Rosickyite= 5.40 barns/electron
U=PE_Rosickyite x rElectron Density= 10.79 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rosickyite is Not Radioactive

Rosickyite Classification

Dana Class:

01.03.05.02 (01)Native Elements

(01.03)with semi-metallic and non-metallic elements

(01.03.05)Sulfur Polymorph group

01.03.05.01 Sulfur S8 F ddd 2/m 2/m 2/m

01.03.05.02 Rosickyite S P 2/c 2/m

Strunz Class:

01.CC.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.C - Metalloids and Nonmetals

01.CC -Sulfur-selenium-iodine

01.CC.05 Sulfur S8 F ddd 2/m 2/m 2/m

01.CC.05 Rosickyite S P 2/c 2/m

Other Rosickyite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Rosickyite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Rosickyite

S
Dana No: 01.03.05.02 Strunz No: 01.CC.05
Locality:

Notes:

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