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Rinneite

A valid IMA mineral species - grandfathered
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About RinneiteHide

07715710014947161328014.jpg
Friedrich W.B. Rinne
Formula:
K3Na[FeCl6]
Colour:
Colourless (pure), rose, violet, yellow; turns brown on exposure; colourless to yellowish in transmitted light.
Lustre:
Silky
Hardness:
3
Specific Gravity:
2.347
Crystal System:
Trigonal
Member of:
Name:
Named in 1908 by Hendrik Enno Boeke in honor of Friedrich Wilhelm Berthold Rinne [March 16, 1863 Osterode, Harz, Germany - March 12, 1933 Guenterstal, Saxony, Germany], crystallographer and petrographer, University of Kiel, Germany
Isostructural with:
This page provides mineralogical data about Rinneite.


Unique IdentifiersHide

Mindat ID:
3423
Long-form identifier:
mindat:1:1:3423:0
GUID
(UUID V4):
b80e64e7-7e4e-4537-a976-601e0c9948c7

IMA Classification of RinneiteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
K3NaFe2+Cl6

Classification of RinneiteHide

3.CJ.05

3 : HALIDES
C : Complex halides
J : With MX6 complexes; M = Fe, Mn, Cu
11.5.3.1

11 : HALIDE COMPLEXES
5 : AmBX6
8.11.6

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
11 : Halides of Fe and Ni

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
RneIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of RinneiteHide

Silky
Transparency:
Transparent
Colour:
Colourless (pure), rose, violet, yellow; turns brown on exposure; colourless to yellowish in transmitted light.
Streak:
white
Hardness:
Cleavage:
Distinct/Good
On {11_20).
Fracture:
Splintery, Conchoidal
Density:
2.347 g/cm3 (Measured)    2.406 g/cm3 (Calculated)

Optical Data of RinneiteHide

Type:
Uniaxial (+)
RI values:
nω = 1.589 nε = 1.589
Max Birefringence:
δ = 0.001
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemistry of RinneiteHide

Mindat Formula:
K3Na[FeCl6]

Crystallography of RinneiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3c
Cell Parameters:
a = 11.98 Å, c = 13.84 Å
Ratio:
a:c = 1 : 1.155
Unit Cell V:
1,720.21 ų (Calculated from Unit Cell)
Morphology:
Massive, granular. Crystals thick tabular {0001} or short prismatic [0001] (artificial crystals).
Twinning:
On {0001} (artificial crystals)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0010319RinneiteFiggis B N, Sobolev A N, Kucharski E S, Broughton V (2000) Rinneite, K3Na[FeCl6], at 293, 84 and 9.5 K Acta Crystallographica C56 e228-e2292000synthetic0293
0010320RinneiteFiggis B N, Sobolev A N, Kucharski E S, Broughton V (2000) Rinneite, K3Na[FeCl6], at 293, 84 and 9.5 K Acta Crystallographica C56 e228-e2292000synthetic0293
0010321RinneiteFiggis B N, Sobolev A N, Kucharski E S, Broughton V (2000) Rinneite, K3Na[FeCl6], at 293, 84 and 9.5 K Acta Crystallographica C56 e228-e2292000synthetic0293
0019749RinneiteBeattie J K, Moore C J (1982) Crystal and molecular structures of rinneite, sodium tripotassium hexachloroferrate(II), and hexaamminecobalt(III) hexachloroferrate(III). Comparison of iron-chloride distances in hexachloroferrates(II) and -(III) Inorganic Chemistry 21 1292-12951982synthetic0293
CIF Raw Data - click here to close

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
25 : Evaporites (prebiotic)
Stage 7: Great Oxidation Event<2.4
45b : [Other oxidized fumarolic minerals]
Geological Setting:
Oceanic salt deposits.

Type Occurrence of RinneiteHide

Place of Conservation of Type Material:
No designated type material.
Geological Setting of Type Material:
Saline deposits of the oceanic type.

Other Language Names for RinneiteHide

German:Rinneit
Simplified Chinese:钾铁盐
Spanish:Rinneita

Relationship of Rinneite to other SpeciesHide

Member of:
Other Members of this group:
ChlormanganokaliteK4[MnCl6]Trig. 3m (3 2/m) : R3m
SaltonseaiteK3NaMnCl6 Trig. 3m (3 2/m) : R3c

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Rinneite associated with CarnalliteKMgCl3 · 6H2O

Related Minerals - Strunz-mindat GroupingHide

3.CJ.05ChlormanganokaliteK4[MnCl6]Trig. 3m (3 2/m) : R3m
3.CJ.05SaltonseaiteK3NaMnCl6 Trig. 3m (3 2/m) : R3c
3.CJ.10ErythrosideriteK2[Fe3+Cl5(H2O)]Orth. mmm (2/m 2/m 2/m) : Pnma
3.CJ.10Kremersite(NH4,K)2[Fe3+Cl5(H2O)]Orth. mmm (2/m 2/m 2/m) : Pnma
3.CJ.15MitscherlichiteK2CuCl4 · 2H2OTet. 4/mmm (4/m 2/m 2/m) : P42/mnm
3.CJ.20DouglasiteK2[Fe2+Cl4(OH2)2]Mon. 2/m
3.CJ.25Redikortsevite(NH4)MgCl3 · 6H2OOrth.
3.CJ.30Zirklerite(Fe,Mg,Ca)9Al4Cl18(OH)12 · 14H2O (?)Trig.
3.CJ.30KalithalliteK3Tl3+Cl6 · 2H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm

Other InformationHide

Notes:
Soluble in water. Decomposed by absolute alcohol with the extraction of ferrous chloride.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for RinneiteHide

References for RinneiteHide

Localities for RinneiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
 
  • Nova Scotia
    • Cumberland Co.
      • Pugwash
Boehner (1986)
China
 
Yuhua Chen et al. (1998)
  • Yunnan
    • Pu'er
      • Jiangcheng County
Weihao Yue et al. (2011) +1 other reference
Germany
 
  • Hesse
    • Kassel Region
      • Hersfeld-Rotenburg
        • Heringen
Dietrich et al. (2004)
        • Phillippsthal
Dietrich et al. (2004)
  • Lower Saxony
    • Celle District
      • Wathlingen
Weiß (1990)
    • Hanover Region
      • Uetze
        • Hänigsen
Bode "Mineralien und Fundstellen BRD" ... +1 other reference
    • Heidekreis
      • Schwarmstedt
        • Lindwedel
Palache et al. (1951)
    • Hildesheim District
      • Bad Salzdetfurth
Palache et al. (1951) +1 other reference
      • Diekholzen
Palache et al. (1951)
      • Giesen
Aufschluss 1987 (4)
  • Saxony-Anhalt
    • Salzlandkreis
Palache et al. (1951)
Wittern (2001)
  • Thuringia
    • Nordhausen District
      • Bleicherode
BOEKE (1909) +1 other reference
Leon Hupperichs collection
    • Wartburg District
      • Krayenberggemeinde
XRD analysis (T. Witzke)
Iran
 
  • Hormozgan Province
    • Khamir County
Talbot et al. (2009)
Italy
 
  • Campania
    • Naples
      • Somma-Vesuvius Complex
Russo et al. (2004)
Pelloux (1927) +1 other reference
Turkmenistan
 
  • Lebap
    • Chardzhou
Evseev (1995)
UK
 
  • England
    • North Yorkshire
      • Scarborough
        • Eskdaleside cum Ugglebarnby
Armstrong et al. (1951)
Armstrong et al. (1951)
USA
 
  • California
    • Imperial County
Mike Scott S104332 from Cureton #CRD ID ...
  • Texas
    • Austin County
      • Bellville
Excalibur Mineral Corporation specimen
 
Mineral and/or Locality  
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