Västmanlandite-(Ce) (original) (raw)

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.

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: