Doubly terminated crystal of the isomorphous Synchysite-(Ce)/Parisite-(Ce) series, transparent and lustrous. The majority of Trimouns specimens exhibit color zoning that seems to indicate the presence of both species in the same crystal, with Parisite-(Ce) being the darkest areas, richest in iron, and the dominant intense yellow lightest color being Synchysite-(Ce). On matrix, with talc and white rhombohedral Dolomite crystals.
Trimouns Mine, Luzenac, Haute-Ariège, Foix, Ariège Department, Occitanie France
Specimen size: 3.3 × 3 ×1.7 cm = 1.30” × 1.18” × 0.67”
Main crystal size: 0.4 × 0.3 cm = 0.16” × 0.12”
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