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Leucorhönite

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Formula:
Ca2(Mg,Fe3+,Al)6(Si,Al)6O20
Colour:
Pale brown
Crystal System:
Triclinic
A substance of anthropogenic origin (burning coal mine dump). Current IMA regulations do not allow such substances to be approved as valid mineral species.

Rhönite Group.
The Mg analogue of rhönite.




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Name EncodingHide

ASCII-7:
Leucorhonite

Unique IdentifiersHide

Mindat ID:
40088
Long-form identifier:
mindat:1:1:40088:0

IMA Classification of LeucorhöniteHide

IMA status notes:
Published without approval

Classification of LeucorhöniteHide

Strunz-mindat (2026):
9.DH.40

9 : SILICATES (Germanates)
D : Inosilicates
H : Inosilicates with 4-periodic single chains, Si4O12

Physical Properties of LeucorhöniteHide

Colour:
Pale brown

Chemistry of LeucorhöniteHide

Mindat Formula:
Ca2(Mg,Fe3+,Al)6(Si,Al)6O20
Element Weights:
Element% weight
O44.786 %
Si23.585 %
Mg20.410 %
Ca11.219 %

Calculated from ideal end-member formula.
O
Si
Mg
Ca
Elements listed:
Al, Ca, Fe, Mg, O, Si - search for minerals with similar chemistry

Crystallography of LeucorhöniteHide

Crystal System:
Triclinic

Synonyms of LeucorhöniteHide

Other Language Names for LeucorhöniteHide

Relationship of Leucorhönite to other SpeciesHide

Member of:
Rhönite Group > Sapphirine Supergroup
Other Members of Rhönite Group:
DorriteCa4(Mg3Fe3+9)O4(Si3Al8Fe3+O36)Tric.
HøgtuvaiteCa4[Fe2+6Fe3+6]O4[Si8Be2Al2O36]Tric. 1 : P1
KuratiteCa2(Fe2+5Ti)O2[Si4Al2O18]Tric. 1 : P1
Makarochkinite(Ca,Na)4[Fe2+8Fe3+2Ti2]O4[Si8Be2Al2O36]Tric. 1 : P1
RhöniteCa4[Mg8Fe3+2Ti2]O4[Si6Al6O36]Tric. 1 : P1
SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]Tric. 1 : P1
WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]Tric. 1 : P1

Related Minerals - Strunz-mindat GroupingHide

9.DH.DevilliersiteCa4Ca2Fe3+10O4[(Fe3+10Si2)O36]Tric. 1 : P1
9.DH.'Gageite-2M'(Mn,Mg,Zn)42Si16O54(OH)40Mon. 2/m
9.DH.BavsiiteBa2V2O2[Si4O12]Tet. 4/m : I4/m
9.DH.YuzuxiangiteSr3Fe3+(Si2O6)2(OH) · 3H2OMon. 2/m : P21/m
9.DH.LouisfuchsiteCa2(Mg4Ti2)(Al4Si2)O20Tric. 1 : P1
9.DH.05LeucophaniteNaCaBeSi2O6FOrth. 222 : P212121
9.DH.10OhmiliteSr3(Ti,Fe3+)(Si4O12)(O,OH) · 2-3H2OMon. 2/m : P21/m
9.DH.15HaradaiteSrVSi2O7Orth. mmm(2/m2/m2/m)
9.DH.15SuzukiiteBaVSi2O7Orth.
9.DH.20Shcherbakovite(K,Ba)KNa(Ti,Nb)2(Si4O12)O2Orth. mmm(2/m2/m2/m) : Imma
9.DH.20BatisiteBaNaNaTi2(Si4O12)O2Orth. mmm(2/m2/m2/m) : Imma
9.DH.20NoonkanbahiteBaKNaTi2(Si4O12)O2Orth. mmm(2/m2/m2/m) : Imma
9.DH.25TaikaniteSr3BaMn2+2(Si4O12)O2Mon. 2 : B2
9.DH.30KrauskopfiteBaSi2O5 · 3H2OMon. 2/m : P21/b
9.DH.35GageiteMn21(Si4O12)2O3(OH)20Mon. 2/m
9.DH.35Balangeroite(Mg,Fe2+,Fe3+,Mn2+)42Si16O54(OH)40Mon. 2/m
9.DH.40KuratiteCa2(Fe2+5Ti)O2[Si4Al2O18]Tric. 1 : P1
9.DH.40AenigmatiteNa4[Fe2+10Ti2]O4[Si12O36]Tric. 1 : P1
9.DH.40DorriteCa4(Mg3Fe3+9)O4(Si3Al8Fe3+O36)Tric.
9.DH.40SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]Tric. 1 : P1
9.DH.40RhöniteCa4[Mg8Fe3+2Ti2]O4[Si6Al6O36]Tric. 1 : P1
9.DH.40KhesiniteCa4(Mg3Fe3+9)O4(Fe3+9Si3)O36Tric. 1 : P1
9.DH.40'UM1991-29-SiO:FeMgNa'Na4(Mg5Fe3+7)O4[Si9Fe3+3O36]
9.DH.40HøgtuvaiteCa4[Fe2+6Fe3+6]O4[Si8Be2Al2O36]Tric. 1 : P1
9.DH.40WelshiteCa4Mg9Sb3O4[Si6Be3AlFe2O36]Tric. 1 : P1
9.DH.40WilkinsoniteNa2Fe2+4Fe3+2(Si6O18)O2Tric. 1 : P1
9.DH.40KrinoviteNa2Mg4Cr3+2(Si6O18)O2Tric. 1 : P1
9.DH.40Makarochkinite(Ca,Na)4[Fe2+8Fe3+2Ti2]O4[Si8Be2Al2O36]Tric. 1 : P1
9.DH.45SapphirineMg4(Mg3Al9)O4[Si3Al9O36]Mon. 2/m : P21/b
9.DH.50Khmaralite(Mg,Al,Fe)16[(Al,Si,Be)12O36]O4Mon. 2/m : P21/b
9.DH.55'UM1988-26-SiO:AlMg'Mg4Al2O[Si3Al2O15]
9.DH.55Surinamite(Mg,Fe)3Al4BeSi3O16Mon. 2/m
9.DH.60DeeriteFe2+6Fe3+3(Si6O17)O3(OH)5Mon. 2/m : P21/b
9.DH.65Taneyamalite(Na,Ca)Mn2+12(Si,Al)12(O,OH)44Tric.
9.DH.65HowieiteNa(Fe2+,Fe3+,Al,Mg)12(Si6O17)2(O,OH)10Tric. 1 : P1
9.DH.70JohninnesiteNa2Mn2+9Mg7(OH)8[AsO4]2[Si6O17]2Tric.
9.DH.75AgrelliteNaCa2Si4O10FTric. 1 : P1

Other InformationHide

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 LeucorhöniteHide

References for LeucorhöniteHide

Localities for LeucorhöniteHide

Showing 4 localities.

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.
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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.
Russia
 
  • Chelyabinsk Oblast
Cesnokov et al. (1998)
      • Coal mine No. 204
Pekov (1998)
      • Coal Mine No. 42
Pekov (1998)
Pekov (1998)
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