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Rorisite Mineral Data
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General Rorisite Information
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 Chemical Formula: |
(Ca,Mg)FCl |
| Composition: |
Molecular Weight = 90.59 gm |
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Calcium 33.18 % Ca 46.43 % CaO |
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Magnesium 6.71 % Mg 11.12 % MgO |
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Chlorine 39.14 % Cl 39.14 % Cl |
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- %
Cl -8.83 % -O=Cl2 |
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Fluorine 20.97 % F 20.97 % F |
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- %
F -8.83 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.75Mg0.25FCl |
| Environment: |
Carbonized wood in burnt coal dumps. |
| IMA Status: |
Approved IMA 1990 |
| Locality: |
Kopeysk, Chelyabinsk coal basin, Southern Ural Mountains, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Latin for dew, in allusion to the transparent drops that cover the mineral in moist air. |
| Name Pronunciation: |
Rorisite  |
| Synonym: |
ICSD 1130 |
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IMA1989-015 |
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PDF 24-185 |
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Rorisite Image |
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Images:
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Rorisite
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 |
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Rorisite Crystallography
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| Axial Ratios: |
a:c = 1:1.75064 |
| Cell Dimensions: |
a = 3.89, c = 6.81, Z = 2; V = 103.05 Den(Calc)= 2.92 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/nmm |
| X Ray Diffraction: |
By Intensity(I/Io): 2.557(1), 6.81(0.45), 2.267(0.35), |
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Physical Properties of Rorisite
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| Cleavage: |
{???} Perfect |
| Color: |
Colorless. |
| Density: |
2.78 |
| Diaphaneity: |
Transparent |
| Hardness: |
2 - Gypsum |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Rorisite
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| Optical Data: |
Uniaxial (-), e=1.635, w=1.668, bire=0.0330. |
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Calculated Properties of Rorisite
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| Electron Density: |
Bulk Density (Electron Density)=2.84 gm/cc
note: Specific Gravity of Rorisite =2.92 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0071556866
Boson Index = 0.9928443134 |
| Photoelectric: |
PERorisite = 6.98 barns/electron
U=PERorisite x rElectron Density= 19.80 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rorisite is Not Radioactive |
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Rorisite Classification
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| Dana Class: |
09.02.11.02 (09)Anhydrous and Hydrated Halides |
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(09.02)where A (X)2 |
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(09.02.11)Matlockite Group |
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09.02.11.01 Matlockite PbFCl P 4/nmm 4/m 2/m 2/m |
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09.02.11.02 Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m |
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09.02.11.03 Zhangpeishanite! BaFCl P 4/mmm 4mm |
| Strunz Class: |
03.DC.25 03 - HALIDES |
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03.D - Oxyhalides, Hydroxyhalides and Related Double Halides |
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03.DC -With Pb (As,Sb,Bi), without Cu |
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03.DC.25 Bismoclite BiOCl P 4/nmm 4/m 2/m 2/m |
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03.DC.25 Daubreeite BiO(OH,Cl) P 4/nmm 4/m 2/m 2/m |
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03.DC.25 Matlockite PbFCl P 4/nmm 4/m 2/m 2/m |
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03.DC.25 Rorisite (Ca,Mg)FCl P 4/nmm 4/m 2/m 2/m |
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03.DC.25 Zavaritskite BiOF P 4/nmm 4/m 2/m 2/m |
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03.DC.25 Zhangpeishanite! BaFCl P 4/mmm 4mm |
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Other Rorisite Information
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| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.76,p1731,1991) OPTIC PROP.(Am.Min.,Vol.76,p1731,1991) |
| 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
15 - WWW-MINCRYST
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Rorisite
(Ca,Mg)FCl
Dana No: 09.02.11.02 Strunz No: 03.DC.25
Locality:
Notes:
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