Mineralogy Database

Rinneite Mineral Data

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General Rinneite Information

Help on Chemical  Formula: Chemical Formula: K3NaFe++Cl6
Help on Composition: Composition: Molecular Weight = 408.85 gm
   Potassium  28.69 %  K    34.56 % K2O
   Sodium      5.62 %  Na    7.58 % Na2O
   Iron       13.66 %  Fe   17.57 % FeO
   Chlorine   52.03 %  Cl   52.03 % Cl
                -   %   Cl  -11.74 % -O=Cl2   
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3NaFe2+Cl6
Help on Environment: Environment: Secondary mineral in marine saline evaporite deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1909
Help on Locality: Locality: Wolkranshusen near Nordhausen, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Friedrich Wilhelm Berthold Rinne (1863-1933), German crystallographer and petrographer, University of Kiel, Kiel, Germany.
Help on Name Pronunciation: Name Pronunciation: Rinneite Say RINNEITE
Help on Synonym: Synonym: ICSD 32717
  PDF 20-925

Rinneite Image

Click Here for Larger   Image in a New Browser Window Images:
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  Rinneite   Carnallite

Comments: Orange to light brown rinneite with colorless carnallite.
Location: Merkers, Bad Salzungen, Rhön, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rinneite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.1689
Help on Cell Dimensions: Cell Dimensions: a = 11.9, c = 13.91, Z = 6; V = 1,705.89 Den(Calc)= 2.39
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.51(1), 6(0.55), 2.59(0.45),

Physical Properties of Rinneite

Help on Cleavage: Cleavage: {???} Good, {???} Good
Help on Color: Color: Colorless, Rose red, Violet, Brown, Yellow.
Help on Density: Density: 2.3
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: white

Optical Properties of Rinneite

Help on Optical Data: Optical Data: Uniaxial (+), w=1.5886, e=1.5894, bire=0.0008.

Calculated Properties of Rinneite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.29 gm/cc
note: Specific Gravity of Rinneite =2.39 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.002930263
Boson Index = 0.997069737
Help on Photoelectric: Photoelectric: PERinneite = 10.61 barns/electron
U=PERinneite x relectron= 24.32 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 396.89 (Gamma Ray American Petroleum Institute Units)
Concentration of Rinneite per GRapi unit = 0.25 (%)

Estimated Radioactivity from Rinneite - barely detectable


Rinneite Classification

Help on  Dana Class: Dana Class: (11)Halide Complexes; Alumino-fluorides
  (11.05)where (A)m B (X)6
  (11.05.03)Dana Group Rinneite K3NaFeCl6 R 3c 3 2/m
Help on  Strunz Class: Strunz Class: 03.CJ.05 03 - HALIDES
  03.C - Complex Halides
  03.CJ -With MX6 complexes; M = Fe, Mn, Cu
03.CJ.05 Chlormanganokalite K4MnCl6 R 3c 3 2/m
03.CJ.05 Rinneite K3NaFeCl6 R 3c 3 2/m

Other Rinneite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Rinneite :
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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Dana No: Strunz No: 03.CJ.05





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