Västmanlandite-(Ce)
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About Västmanlandite-(Ce)
Formula:
CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
Colour:
dark brown
Lustre:
Vitreous
Hardness:
6
Specific Gravity:
4.51 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named after the region of occurrence in Sweden.
Type Locality:
A complex REE-silicate, visually similar to allanite-(Ce) and other members of the allanite group.
Closely related to Perbøeite-(Ce) and Ferriperbøeite-(Ce).
See also Unnamed (Fe-analogue of Västmanlandite-(Ce)).
Chemically related to dissakisite-(Ce), dollaseite-(Ce), manaevite-(Ce), gatelite-(Ce), and somewhat to khristovite-(Ce).
Unnamed (as yet) valid analogues: UM2007-35-SiO:AlCaFFeMgREE and UM2007-36-SiO:AlCaFFeMgREE.
Closely related to Perbøeite-(Ce) and Ferriperbøeite-(Ce).
See also Unnamed (Fe-analogue of Västmanlandite-(Ce)).
Chemically related to dissakisite-(Ce), dollaseite-(Ce), manaevite-(Ce), gatelite-(Ce), and somewhat to khristovite-(Ce).
Unnamed (as yet) valid analogues: UM2007-35-SiO:AlCaFFeMgREE and UM2007-36-SiO:AlCaFFeMgREE.
Classification of Västmanlandite-(Ce)
Approved
Approval year:
2002
8/C.24-110
9.BG.55
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
Physical Properties of Västmanlandite-(Ce)
Vitreous
Transparency:
Translucent
Colour:
dark brown
Streak:
yellowish grey
Hardness:
6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
parallel to (100)
parallel to (100)
Fracture:
Irregular/Uneven, Conchoidal
Density:
4.51 g/cm3 (Calculated)
Optical Data of Västmanlandite-(Ce)
Type:
Biaxial (-)
Chemical Properties of Västmanlandite-(Ce)
Formula:
CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2
IMA Formula:
Ce3CaMg2Al2Si5O19(OH)2F
Common Impurities:
REE,Fe,Ti,P
Crystallography of Västmanlandite-(Ce)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 8.939 Å, b = 5.706 Å, c = 15.855 Å
β = 94.58°
β = 94.58°
Ratio:
a:b:c = 1.567 : 1 : 2.779
Unit Cell V:
806.1 ų
Z:
2
Morphology:
anhedral grains
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
15.81 Å | (16) |
4.65 Å | (10) |
3.50 Å | (20) |
2.983 Å | (100) |
2.685 Å | (13) |
2.678 Å | (11) |
2.625 Å | (19) |
2.187 Å | (15) |
Type Occurrence of Västmanlandite-(Ce)
General Appearance of Type Material:
anhedral grains, 0.2-3 mm across
Geological Setting of Type Material:
Bastnäs-type skarn deposit
Associated Minerals at Type Locality:
Synonyms of Västmanlandite-(Ce)
Other Language Names for Västmanlandite-(Ce)
German:Västmanlandit-(Ce)
Russian:Вестманландит-(Се)
Simplified Chinese:羟氟硅镧铝镁钙石
Traditional Chinese:羥氟矽鑭鋁鎂鈣石
Relationship of Västmanlandite-(Ce) to other Species
Member of:
Common Associates
Associated Minerals Based on Photo Data:
4 photos of Västmanlandite-(Ce) associated with Fluorbritholite-(Ce) | (Ce,Ca)5(SiO4)3F |
1 photo of Västmanlandite-(Ce) associated with Allanite-(Ce) | {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH) |
1 photo of Västmanlandite-(Ce) associated with Pyrite | FeS2 |
Related Minerals - Nickel-Strunz Grouping
9.BG. | Shuiskite-(Cr) | Ca2Cr3+Cr3+2[Si2O6OH][SiO4](OH)2O | Mon. 2/m : B2/m |
9.BG. | Alnaperbøeite-(Ce) | Ca(Ce2.5Na0.5)(AlAl2Al)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/m |
9.BG. | Magnesiovesuvianite | Ca19MgAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 | Tet. 4/m : P4/n |
9.BG. | Alumovesuvianite | Ca19AlAl4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 | Tet. 4/m : P4/n |
9.BG.05b | Allanite-(Ce) | {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Allanite-(La) | {CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Allanite-(Y) | {CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH) | Mon. |
9.BG.05a | Clinozoisite | {Ca2}{Al3}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Dissakisite-(Ce) | {CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05 | Dollaseite-(Ce) | {CaCe}{MgAlMg}(Si2O7)(SiO4)F(OH) | Mon. 2/m : P21/m |
9.BG.05a | Epidote | {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05a | Hancockite | {CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH) | Mon. |
9.BG.05 | Khristovite-(Ce) | {CaCe}{MgAlMn2+}(Si2O7)(SiO4)F(OH) | Mon. 2/m : P21/m |
9.BG.05a | Mukhinite | {Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH) | Mon. |
9.BG.05a | Piemontite | {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05 | Piemontite-(Sr) | {CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH) | Mon. |
9.BG.05b | Manganiandrosite-(La) | {Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH) | Mon. |
9.BG.05 | Tawmawite | {Ca2}{(Al,Fe3+,Cr)3}(Si2O7)(SiO4)O(OH) | |
9.BG.05 | Tweddillite | {CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Ferriallanite-(Ce) | {CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05 | Niigataite | {CaSr}{Al3}(Si2O7)(SiO4)O(OH) | Mon. 2/m |
9.BG.05 | Manganiandrosite-(Ce) | {Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05 | Dissakisite-(La) | {CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05 | Vanadoandrosite-(Ce) | {Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05 | Uedaite-(Ce) | {Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05a | Epidote-(Sr) | {CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Allanite-(Nd) | {CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Ferriallanite-(La) | {CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.05b | Åskagenite-(Nd) | {Mn2+Nd}{Al2Fe3+}(Si2O7)(SiO4)O2 | Mon. 2/m : P21/m |
9.BG.9.BG. | Ferriakasakaite-(La) | {CaLa}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH) | Mon. 2/m : P21/m |
9.BG.9.BG. | Ferriandrosite-(Ce) | {Mn2+Ce}{Fe3+AlMn2+}(SiO4)(Si2O7)O(OH) | |
9.BG.9.BG | Ferriperbøeite-(Ce) | CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/m |
9.BG.10 | Zoisite | Ca2Al3[Si2O7][SiO4]O(OH) | Orth. mmm (2/m 2/m 2/m) : Pnma |
9.BG.15 | Macfallite | Ca2Mn3+3(SiO4)(Si2O7)(OH)3 | Mon. |
9.BG.15 | Sursassite | Mn2+2Al3(SiO4)(Si2O7)(OH)3 | Mon. 2/m : P21/m |
9.BG.20 | Julgoldite-(Fe2+) | Ca2Fe2+Fe3+2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.20 | Okhotskite | Ca2Mn2+Mn3+2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.20 | Pumpellyite-(Fe2+) | Ca2Fe2+Al2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.20 | Pumpellyite-(Fe3+) | Ca2Fe3+Al2[Si2O6OH][SiO4](OH)2O | Mon. |
9.BG.20 | Pumpellyite-(Mg) | Ca2MgAl2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.20 | Pumpellyite-(Mn2+) | Ca2Mn2+Al2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.20 | Shuiskite-(Mg) | Ca2MgCr3+2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.20 | Julgoldite-(Fe3+) | Ca2Fe3+Fe3+2[Si2O6OH][SiO4](OH)2O | Mon. |
9.BG.20 | Pumpellyite-(Al) | Ca2AlAl2[Si2O6OH][SiO4](OH)2O | Mon. |
9.BG.20 | Poppiite | Ca2V3+V3+2[Si2O6OH][SiO4](OH)2O | Mon. 2/m : B2/m |
9.BG.20 | Julgoldite-(Mg) | Ca2MgFe3+2[Si2O6OH][SiO4](OH)2(OH) | Mon. |
9.BG.25 | Ganomalite | Pb9Ca5Mn(Si2O7)4(SiO4)O | Hex. |
9.BG.30 | Rustumite | Ca10(Si2O7)2(SiO4)(OH)2Cl2 | Mon. |
9.BG.35 | Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 | Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc |
9.BG.35 | Wiluite | Ca19MgAl4(Al,Mg)8(B,◻)4◻[Si2O7]4[(SiO4)10]O(O,OH)9 | Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc |
9.BG.35 | Manganvesuvianite | Ca19Mn3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 | Tet. 4/m : P4/n |
9.BG.35 | Fluorvesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(F,OH)9 | Tet. 4/mmm (4/m 2/m 2/m) |
9.BG.35 | Cyprine | Ca19Cu2+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 | Tet. 4/m : P4/n |
9.BG.40 | Vyuntspakhkite-(Y) | (Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7 | Mon. |
9.BG.45 | Dellaite | Ca6Si3O11(OH)2 | Tric. |
9.BG.50 | Gatelite-(Ce) | CaCe3(AlAl2Mg)[Si2O7][SiO4]3O(OH)2 | Mon. 2/m : P21/b |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Västmanlandite-(Ce)
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Holtstam, D., Kolitsch, U., Andersson, U.B. (2005): Västmanlandite-(Ce) – a new lanthanide- and F-bearing sorosilicate mineral from Västmanland, Sweden: description, crystal structure, and relation to gatelite-(Ce). European Journal of Mineralogy 17, 129-142.
Internet Links for Västmanlandite-(Ce)
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https://www.mindat.org/min-26372.html
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Localities for Västmanlandite-(Ce)
Locality List




All localities listed without proper references should be considered as questionable.
Sweden | |
| Holtstam D., Kolitsch U. and Andersson U. (2005): Västmanlandite-(Ce) - a new lanthanide- and F-bearing sorosilicate mineral from Västmanland, Sweden: description, crystal structure, and relation to gatelite-(Ce). European Journal of Mineralogy, 17: 129-142 |
| Sandström, F. (2005): Västmanlandit-(Ce)- ett nytt mineral från Malmkärragruvan i Norberg. Litofilen, 22 (1): 13; Holtstam, D., Andersson, U.B. (2007): The REE minerals of the Bastnäs-type deposits, South-Central Sweden. Canadian Mineralogist. 45, 1073-1114 |
| Holtstam D., Kolitsch U. and Andersson U. (2005): Västmanlandite-(Ce) - a new lanthanide- and F-bearing sorosilicate mineral from Västmanland, Sweden: description, crystal structure, and relation to gatelite-(Ce). European Journal of Mineralogy, 17: 129-142; Holtstam, D., Bindi, L., Hålenius, U., Kolitsch, U., Mansfeld, J. (2017) Ulfanderssonite-(Ce), a new Cl-bearing REE silicate mineral species from the Malmkärra mine, Norberg, Sweden. European Journal of Mineralogy: 29: 1015-1026. |
| Holtstam D., Kolitsch U. and Andersson U. (2005): Västmanlandite-(Ce) - a new lanthanide- and F-bearing sorosilicate mineral from Västmanland, Sweden: description, crystal structure, and relation to gatelite-(Ce). European Journal of Mineralogy, 17: 129-142; Sandström, F. (2005): Västmanlandit-(Ce)- ett nytt mineral från Malmkärragruvan i Norberg. Litofilen, 22 (1): 13 |
Malmkärra Mine, Norberg, Västmanland County, Sweden