Perbøeite-(La)
A valid IMA mineral species
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Formula:
CaLa3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2
Colour:
brownish black
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
4.483 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named in accordance with the gatelite supergroup nomenclature scheme as the La analogue of perbøeite-(Ce).
Type Locality:
This page provides mineralogical data about Perbøeite-(La).
Unique Identifiers
Mindat ID:
53352
Long-form identifier:
mindat:1:1:53352:2
GUID
(UUID V4):
(UUID V4):
154ae03b-6e6e-49fa-9a33-5ece3e73f70d
IMA Classification of Perbøeite-(La)
Approved
IMA Formula:
(CaLa3)(Al3Fe2+)[Si2O7][SiO4]3O(OH)2
Approval year:
2018
First published:
2020
Type description reference:
Kasatkin, Anatoly V., Zubkova, Natalia V., Pekov, Igor V., Chukanov, Nikita V., Škoda, Radek, Polekhovsky, Yury S., Agakhanov, Atali A., Belakovskiy, Dmitriy I., Kuznetsov, Aleksey M., Britvin, Sergey N., Pushcharovsky, Dmitry Yu. (2020) The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part I. New gatelite-group minerals ferriperbøeite-(La), (CaLa3)(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 and perbøeite-(La), (CaLa3)(Al3Fe2+)[Si2O7][SiO4]3O(OH)2. Mineralogical Magazine, 84 (4) 593-607 doi:10.1180/mgm.2020.42
Classification of Perbøeite-(La)
9.BG.50
9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Pbø-La | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Perbøeite-(La)
Vitreous
Transparency:
Translucent
Colour:
brownish black
Hardness:
6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
good on {100} and imperfect on {001}
good on {100} and imperfect on {001}
Parting:
None
Fracture:
Irregular/Uneven
Density:
4.483 g/cm3 (Calculated)
Optical Data of Perbøeite-(La)
Type:
Biaxial (+)
RI values:
nα = 1.778(8) nβ = 1.783(8) nγ = 1.805(8)
2V:
Measured: 40° (10), Calculated: 51.5°
Max Birefringence:
δ = 0.027
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Anisotropism:
very weak
Bireflectance:
very weak
Dispersion:
noticeable, inclined
Colour in reflected light:
dark gray
Pleochroism:
Strong
Comments:
X – colourless, Y – medium-dark brown, Z – nearly colourless or brownish.
Chemistry of Perbøeite-(La)
Mindat Formula:
CaLa3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2
Crystallography of Perbøeite-(La)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 8.9652(4) Å, b = 5.7306(2) Å, c = 17.6770(9) Å
β = 116.053(6)°
β = 116.053(6)°
Ratio:
a:b:c = 1.564 : 1 : 3.085
Unit Cell V:
815.89 ų (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
15.85 Å | (83) |
8.03 Å | (41) |
4.665 Å | (68) |
3.523 Å | (99) |
3.116 Å | (56) |
3.009 Å | (100) |
2.874 Å | (55) |
2.640 Å | (54) |
Comments:
From Type Description.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 4b: Highly evolved igneous rocks | >3.0 |
34 : Complex granite pegmatites |
Type Occurrence of Perbøeite-(La)
General Appearance of Type Material:
isolated anhedral grains, up to 0.5 mm and granular aggregates, up to 3 x 1 mm
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Leninskiy Prospekt 18-2, Moscow 119071, Russia, registration number 5253/1
Geological Setting of Type Material:
concretions
Associated Minerals at Type Locality:
Reference:
Kasatkin, A.V., Zubkova, N.V., Pekov, I.V., Chukanov, N.V., Škoda, R., Polekhovsky, Y.S., Agakhanov, A.A., Belakovskiy, D.I., Kuznetsov, A.M., Britvin, S.N., Pushcharovsky, D.Yu. (2020) The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part I. New gatelite-group minerals ferriperbøeite-(La), (CaLa3)(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 and perbøeite-(La), (CaLa3)(Al3Fe2+)[Si2O7][SiO4]3O(OH)2. Mineralogical Magazine: 84(4): 593–607.
Synonyms of Perbøeite-(La)
Other Language Names for Perbøeite-(La)
German:Perbøeit-(La)
Relationship of Perbøeite-(La) to other Species
Member of:
Other Members of this group:
Ferriperbøeite-(Ce) | CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/m |
Ferriperbøeite-(La) | CaLa3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/m |
Gatelite-(Ce) | CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/b |
Perbøeite-(Ce) | CaCe3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/m |
Unnamed (Fe3+-analogue of Gatelite-(Ce)) | CaCe3(Fe3+Al2Mg)[Si2O7][SiO4]3O(OH)2 |
Related Minerals - Strunz-mindat Grouping
9.BG. | Shuiskite-(Cr) | Ca2Cr3+Cr3+2[Si2O6OH][SiO4](OH)2O |
9.BG. | Alnaperbøeite-(Ce) | Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2 |
9.BG. | Magnesiovesuvianite | Ca19MgAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 |
9.BG. | Alumovesuvianite | Ca19AlAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
9.BG. | Zoisite-(Pb) | (CaPb)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG. | Vielleaureite-(Ce) | (Mn2+Ce)(MgAlMn2+)F[Si2O7][SiO4](OH) |
9.BG. | Heflikite | (CaCa)(AlAlSc)O[Si2O7][SiO4](OH) |
9.BG. | Zilbermintsite-(La) | (CaLa5)(Fe3+Al3Fe2+)[Si2O7][SiO4]5O(OH)3 |
9.BG.05b | Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(La) | (CaLa)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(Y) | (CaY)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05a | Clinozoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG.05b | Dissakisite-(Ce) | (CaCe)(AlAlMg)O[Si2O7][SiO4](OH) |
9.BG.05 | Dollaseite-(Ce) | (CaCe)(MgAlMg)F[Si2O7][SiO4](OH) |
9.BG.05a | Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05a | Hancockite | (CaPb)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05 | Khristovite-(Ce) | (CaCe)(MgAlMn2+)F[Si2O7][SiO4](OH) |
9.BG.05a | Mukhinite | (CaCa)(AlAlV3+)O[Si2O7][SiO4](OH) |
9.BG.05a | Piemontite | (CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05 | Piemontite-(Sr) | (CaSr)(AlAlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Manganiandrosite-(La) | (Mn2+La)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Tweddillite | (CaSr)(Mn3+AlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriallanite-(Ce) | (CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Niigataite | (CaSr)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG.05 | Manganiandrosite-(Ce) | (Mn2+Ce)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Dissakisite-(La) | (CaLa)(AlAlMg)O[Si2O7][SiO4](OH) |
9.BG.05 | Vanadoandrosite-(Ce) | (Mn2+Ce)(V3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Uedaite-(Ce) | (Mn2+Ce)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05a | Epidote-(Sr) | (CaSr)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(Nd) | (CaNd)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Unnamed (Mg-analogue of Ferriallanite-(Ce)) | (CaCe)(Fe3+AlMg)O[Si2O7][SiO4](OH) |
9.BG.05b | Unnamed (Mn3+-analogue of Ferriakasakaite-(Ce)) | (CaCe)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriallanite-(La) | (CaLa)(Fe3+AlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Åskagenite-(Nd) | (Mn2+Nd)(AlAlFe3+)O[Si2O7][SiO4]O |
9.BG.05 | Piemontite-(Pb) | (CaPb)(AlAlMn3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Vanadoallanite-(La) | (CaLa)(V3+AlFe2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriakasakaite-(La) | (CaLa)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Ferriandrosite-(La) | (Mn2+La)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Androsite-(Ce) | (Mn2+Ce)(AlAlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05 | Ferriandrosite-(Ce) | (Mn2+Ce)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05a v | Unnamed (Ga-analogue of Epidote) | (CaCa)(AlAlGa3+)O[Si2O7][SiO4](OH) |
9.BG.05b | UM1989-32-SiO:AlCaFeHREE | (Ca0.5◻0.5REE)(AlAlFe3+)O[Si2O7][SiO4](OH) |
9.BG.05b | Manganiakasakaite-(La) | (CaLa)(Mn3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Ferriakasakaite-(Ce) | (CaCe)(Fe3+AlMn2+)O[Si2O7][SiO4](OH) |
9.BG.05b | Allanite-(Sm) | (CaSm)(AlAlFe2+)O[Si2O7][SiO4](OH) |
9.BG.10 | Zoisite | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
9.BG.15 | Macfallite | Ca2Mn3+3(SiO4)(Si2O7)(OH)3 |
9.BG.15 | Sursassite | Mn2+2Al3(SiO4)(Si2O7)(OH)3 |
9.BG.20 | Julgoldite-(Fe2+) | Ca2Fe2+Fe3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.20 | Okhotskite | Ca2Mn2+Mn3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.20 | Pumpellyite-(Fe2+) | Ca2Fe2+Al2(Si2O7)(SiO4)(OH,O)2 · H2O |
9.BG.20 | Pumpellyite-(Fe3+) | Ca2Fe3+Al2(Si2O7)(SiO4)(OH,O)2 · H2O |
9.BG.20 | Pumpellyite-(Mg) | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
9.BG.20 | Pumpellyite-(Mn2+) | Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 · H2O |
9.BG.20 | Shuiskite-(Mg) | Ca2MgCr3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.20 | Julgoldite-(Fe3+) | Ca2Fe3+Fe3+2[Si2O6OH][SiO4](OH)2O |
9.BG.20 | Pumpellyite-(Al) | Ca2Al3(Si2O7)(SiO4)(OH,O)2 · H2O |
9.BG.20 | Poppiite | Ca2V3+V3+2[Si2O6OH][SiO4](OH)2O |
9.BG.20 | Julgoldite-(Mg) | Ca2MgFe3+2[Si2O6OH][SiO4](OH)2(OH) |
9.BG.25 | Ganomalite | Pb9Ca5Mn(Si2O7)4(SiO4)O |
9.BG.25 | Wayneburnhamite | Pb9Ca6(Si2O7)3(SiO4)3 |
9.BG.30 | Rustumite | Ca10(Si2O7)2(SiO4)(OH)2Cl2 |
9.BG.35 | Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
9.BG.35 | Wiluite | Ca19MgAl4(Al,Mg)8(B,◻)4◻[Si2O7]4[(SiO4)10]O(O,OH)9 |
9.BG.35 | Manganvesuvianite | Ca19Mn3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
9.BG.35 | Fluorvesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(F,OH)9 |
9.BG.35 | Cyprine | Ca19Cu2+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 |
9.BG.35 | Hongheite | Ca19Fe2+Al4(Fe3+,Mg)8(◻4)B[Si2O7]4[(SiO4)10]O(OH,O)9 |
9.BG.35 | Milanriederite | (Ca18[REE])Fe3+Al4(Mg4Al4)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 |
9.BG.35 | Manaevite-(Ce) | (Ca13Ce4[H2O]2)Mg(Al3Mg)(Mg3Ti3Fe3+2)(◻4)◻[Si2O7]4[(SiO4)8(H4O4)2]O(OH)9 |
9.BG.40 | Vyuntspakhkite-(Y) | (Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7 |
9.BG.45 | Dellaite | Ca6Si3O11(OH)2 |
9.BG.50 | Gatelite-(Ce) | CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Perbøeite-(Ce) | CaCe3(AlAl2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Ferriperbøeite-(Ce) | CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.50 | Ferriperbøeite-(La) | CaLa3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 |
9.BG.55 | Västmanlandite-(Ce) | CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2 |
9.BG.60 | Radekškodaite-(La) | (CaLa5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3 |
9.BG.60 | Radekškodaite-(Ce) | (CaCe5)(Al4Fe2+)[Si2O7][SiO4]5O(OH)3 |
9.BG.60 | Radekškodaite Group | (CaM5)([Fe3+Al3]Fe2+)[Si2O7][SiO4]5O(OH)3 |
Fluorescence of Perbøeite-(La)
None
Other Information
Notes:
not reactive with cold hydrochloric or nitric acid.
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 Perbøeite-(La)
mindat.org URL:
https://www.mindat.org/min-53352.html
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References for Perbøeite-(La)
Reference List:
Miyawaki, Ritsuro, Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 47. European Journal of Mineralogy, 31 (1) 197-202 doi:10.1127/ejm/2019/0031-2839
Kasatkin, Anatoly V., Zubkova, Natalia V., Pekov, Igor V., Chukanov, Nikita V., Škoda, Radek, Polekhovsky, Yury S., Agakhanov, Atali A., Belakovskiy, Dmitriy I., Kuznetsov, Aleksey M., Britvin, Sergey N., Pushcharovsky, Dmitry Yu. (2020) The mineralogy of the historical Mochalin Log REE deposit, South Urals, Russia. Part I. New gatelite-group minerals ferriperbøeite-(La), (CaLa3)(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 and perbøeite-(La), (CaLa3)(Al3Fe2+)[Si2O7][SiO4]3O(OH)2. Mineralogical Magazine, 84 (4) 593-607 doi:10.1180/mgm.2020.42
Localities for Perbøeite-(La)
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Russia (TL) | |
| European Journal of Mineralogy +3 other references |
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