Mineralogy Database

Rorisite Mineral Data

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General Rorisite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Mg)FCl
Help on Composition: Composition: Molecular Weight = 90.59 gm
   Calcium    33.18 %  Ca   46.43 % CaO
   Magnesium   6.71 %  Mg   11.12 % MgO
   Chlorine   39.14 %  Cl   39.14 % Cl
                -   %   Cl   -8.83 % -O=Cl2   
   Fluorine   20.97 %  F    20.97 % F
                -   %   F    -8.83 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.75Mg0.25FCl
Help on Environment: Environment: Carbonized wood in burnt coal dumps.
Help on IMA Status: IMA Status: Approved IMA 1990
Help on Locality: Locality: Kopeysk, Chelyabinsk coal basin, Southern Ural Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Latin for dew, in allusion to the transparent drops that cover the mineral in moist air.
Help on Name Pronunciation: Name Pronunciation: Rorisite Say RORISITE
Help on Synonym: Synonym: ICSD 1130
  PDF 24-185

Rorisite Image

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Comments: Colorless to white tabular crystals of Rorisite. Rorisite is extremely hygroscopic and must be stored in closed vials. The picture was made through the vial.
Location: Kopeisk, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Rorisite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.75064
Help on Cell Dimensions: Cell Dimensions: a = 3.89, c = 6.81, Z = 2; V = 103.05 Den(Calc)= 2.92
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/nmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.557(1), 6.81(0.45), 2.267(0.35),

Physical Properties of Rorisite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 2.78
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Rorisite

Help on Optical Data: Optical Data: Uniaxial (-), e=1.635, w=1.668, bire=0.0330.

Calculated Properties of Rorisite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.84 gm/cc
note: Specific Gravity of Rorisite =2.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0071556866
Boson Index = 0.9928443134
Help on Photoelectric: Photoelectric: PERorisite = 6.98 barns/electron
U=PERorisite x rElectron Density= 19.80 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rorisite is Not Radioactive

Rorisite Classification

Help on  Dana Class: Dana Class: (09)Anhydrous and Hydrated Halides
  (09.02)where A (X)2
  (09.02.11)Matlockite Group Matlockite PbFCl P 4/nmm 4/m 2/m 2/m Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m Zhangpeishanite! BaFCl P 4/mmm 4mm
Help on  Strunz Class: Strunz Class: 03.DC.25 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DC -With Pb (As,Sb,Bi), without Cu
03.DC.25 Bismoclite BiOCl P 4/nmm 4/m 2/m 2/m
03.DC.25 Daubreeite BiO(OH,Cl) P 4/nmm 4/m 2/m 2/m
03.DC.25 Matlockite PbFCl P 4/nmm 4/m 2/m 2/m
03.DC.25 Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m
03.DC.25 Zavaritskite BiOF P 4/nmm 4/m 2/m 2/m
03.DC.25 Zhangpeishanite! BaFCl P 4/mmm 4mm

Other Rorisite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.76,p1731,1991) OPTIC PROP.(Am.Min.,Vol.76,p1731,1991)
Help on See Also: See Also: Links to other databases for Rorisite :
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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Dana No: Strunz No: 03.DC.25





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