Västmanlandite-(Ce) (original) (raw)

A valid IMA mineral species

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About Västmanlandite-(Ce)Hide

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Formula:

CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2

Specific Gravity:

4.51 (Calculated)

Crystal System:

Monoclinic

Name:

Named after Västmanland county, Bergslagen region, Sweden, the type locality. The suffix follows the Levinson rule for species with essential REE and indicates, in this case, the predominance of cerium.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:26372:0

1607a81b-961d-4fb5-b591-2f34432c1d85

IMA Classification of Västmanlandite-(Ce)Hide

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IMA Formula:

Ce3CaMg2Al2Si5O19(OH)2F

Classification of Västmanlandite-(Ce)Hide

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9.BG.55

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination

Mineral SymbolsHide

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

Symbol Source Reference
Vml-Ce 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 Västmanlandite-(Ce)Hide

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Cleavage:

Distinct/Good
Parallel to (100).

Fracture:

Irregular/Uneven, Conchoidal

Density:

4.51 g/cm3 (Calculated)

Optical Data of Västmanlandite-(Ce)Hide

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Dispersion:

Strong, r > v.

Comments:

X = pale yellow; Y = reddish brown; Z = dark brown.

Comments:

Absorption: Z ~ Y > X.

Chemistry of Västmanlandite-(Ce)Hide

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Mindat Formula:

CaCe3(MgAl2Mg)[Si2O7][SiO4]3F(OH)2

Common Impurities:

REE,Fe,Ti,P

Crystallography of Västmanlandite-(Ce)Hide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 8.939(1) Å, b = 5.706(1) Å, c = 15.855(2) Å
β = 94.58(1)°

Ratio:

a:b:c = 1.567 : 1 : 2.779

Morphology:

Anhedral grains.

X-Ray Powder DiffractionHide

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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)

Geological EnvironmentHide

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Type Occurrence of Västmanlandite-(Ce)Hide

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General Appearance of Type Material:

Anhedral grains, 0.2-3 mm across.

Place of Conservation of Type Material:

Swedish Museum of Natural History, Stockholm, Sweden, number 01+0081.

Geological Setting of Type Material:

Bastnäs-type skarn deposit.

Associated Minerals at Type Locality:

Synonyms of Västmanlandite-(Ce)Hide

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Other Language Names for Västmanlandite-(Ce)Hide

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Relationship of Västmanlandite-(Ce) to other SpeciesHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Notes:

Unaffected by cold concentrated HCl and HNO3.

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for Västmanlandite-(Ce)Hide

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Localities for Västmanlandite-(Ce)Hide

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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

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