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Britholite-(La)

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Formula:
Ca2(La,Ce,Ca)3(SiO4,PO4)3(OH,F)
Non-approved member of the Britholite Group.


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Unique IdentifiersHide

Mindat ID:
42932
Long-form identifier:
mindat:1:1:42932:6

Similar NamesHide

BritholiteA synonym of Britholite Group
Britholite-(Ce)A valid IMA mineral species - grandfathered(Ce,Ca)5(SiO4)3OH
Britholite-(Y)A valid IMA mineral species - grandfathered(Y,Ca)5(SiO4)3OH

IMA Classification of Britholite-(La)Hide

IMA status notes:
Published without approval
Approval history:
Unnamed, but probably valid.

Classification of Britholite-(La)Hide

Strunz-mindat (2026):
9.AH.25

9 : SILICATES (Germanates)
A : Nesosilicates
H : Nesosilicates with CO3, SO4, PO4, etc.

Chemistry of Britholite-(La)Hide

Mindat Formula:
Ca2(La,Ce,Ca)3(SiO4,PO4)3(OH,F)
Element Weights:
Element% weight
La52.740 %
O26.324 %
Si10.664 %
Ca10.145 %
H0.128 %

Calculated from ideal end-member formula.
Elements listed:
Ca, Ce, F, H, La, O, P, Si - search for minerals with similar chemistry

Relationship of Britholite-(La) to other SpeciesHide

Member of:
Britholite Group > Apatite Supergroup
Other Members of Britholite Group:
Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
'Calciobritholite'(Ca,Y)5(SiO4,PO4)3(OH)
Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m
Fluorbritholite-(La)Ca2La3(SiO4)3FHex. 6/m : P63/m
Fluorbritholite-(Nd)Ca2Nd3(SiO4)3FHex. 6/m : P63/m
Fluorbritholite-(Y)(Y,Ca)5(SiO4)3FHex. 6/m : P63/m
Fluorcalciobritholite(Ca,REE)5(SiO4,PO4)3FHex. 6/m : P63/m
Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)

Related Minerals - Strunz-mindat GroupingHide

9.AH.Fluorbritholite-(Nd)Ca2Nd3(SiO4)3FHex. 6/m : P63/m
9.AH.05Iimoriite-(Y)Y2[SiO4][CO3]Tric. 1 : P1
9.AH.10Tundrite-(Ce)Na2Ce2Ti(SiO4)(CO3)2O2Tric. 1 : P1
9.AH.10Tundrite-(Nd)Na2(Nd,Ce)2Ti(SiO4)(CO3)2O2
9.AH.15GaluskiniteCa7(SiO4)3(CO3) Mon. 2/m : P21/b
9.AH.15SpurriteCa5(SiO4)2(CO3)Mon. 2/m : P21/b
9.AH.20TernesiteCa5(SiO4)2(SO4)Orth. mmm(2/m2/m2/m) : Pnma
9.AH.20SilicocarnotiteCa5[(SiO4)(PO4)](PO4)Orth. mmm(2/m2/m2/m) : Pnma
9.AH.25Britholite-(Ce)(Ce,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25Britholite-(Y)(Y,Ca)5(SiO4)3OHHex. 6/m : P63/m
9.AH.25MattheddleitePb5(SiO4)1.5(SO4)1.5(Cl,OH)Hex. 6/m : P63/m
9.AH.25Fluorbritholite-(Ce)(Ce,Ca)5(SiO4)3FHex. 6/m : P63/m
9.AH.25FluorellestaditeCa5(SiO4)1.5(SO4)1.5FHex. 6/m : P63/m
9.AH.25Fluorbritholite-(La)Ca2La3(SiO4)3FHex. 6/m : P63/m
9.AH.25Fluorbritholite-(Y)(Y,Ca)5(SiO4)3FHex. 6/m : P63/m
9.AH.25HydroxylellestaditeCa5(SiO4)1.5(SO4)1.5(OH)Hex. 6/mmm(6/m2/m2/m) : P63/mcm
9.AH.25'Calciobritholite'(Ca,Y)5(SiO4,PO4)3(OH)
9.AH.25Tritomite-(Ce)Ce5(SiO4,BO4)3(OH,O)
9.AH.25Tritomite-(Y)Y5(SiO4,BO4)3(O,OH,F)
9.AH.25Fluorcalciobritholite(Ca,REE)5(SiO4,PO4)3FHex. 6/m : P63/m
9.AH.25ChlorellestaditeCa5(SiO4)1.5(SO4)1.5ClHex. 6/m : P63/m
9.AH.35DargaiteBaCa12(SiO4)4(SO4)2O3Trig. 3m(32/m) : R3m
9.AH.35NabimusaiteKCa12(SiO4)4(SO4)2O2FTrig. 3m(32/m) : R3m
9.AH.40StracheriteBaCa6(SiO4)2[(PO4)(CO3)]FTrig. 3m(32/m) : R3m
9.AH.40ZadoviteBaCa6[(SiO4)(PO4)](PO4)2FTrig. 3m : R3m
9.AH.40GazeeviteBaCa6(SiO4)2(SO4)2OTrig. 3m(32/m) : R3m
9.AH.45FlamiteCa8-x(Na,K)x(SiO4)4-x(PO4)xOrth. mm2
9.AH.50ByzantieviteBa5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5Trig. 3 : R3
9.AH.55Greenwoodite(Ba,V3+O)2V3+9(Fe3+,Fe2+)2Si2O22Trig. 3m(32/m) : P3m1
9.AH.60Kihlmanite-(Ce)Ce2TiO2(SiO4)(HCO3)2(H2O)Tric. 1 : P1
9.AH.65TsangpoiteCa5(PO4)2(SiO4)Hex.
9.AH.70'Enalite'(Th,REE,Al) [(PO4),(SiO4),(OH)]Tet.

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 Britholite-(La)Hide

References for Britholite-(La)Hide

Localities for Britholite-(La)Hide

Showing 6 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.
Angola
 
  • Huambo Province
    • Londuimbali
Gonçalves +1 other reference
  • Namibe Province
    • Virei
Torró et al. (2012)
Brazil
 
  • Minas Gerais
    • Poços de Caldas
Azzi (2017)
Azzi (2019) +1 other reference
Namibia
 
  • Khomas Region
    • Windhoek Rural
      • Aris
Uwe Kolitsch (unpublished SEM-EDS analyses) +1 other reference
USA
 
  • California
    • Inyo County
      • Inyo Mts (Inyo Range)
        • Malpais Mesa
Adams (2017)
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