Formula: (Ce,La)(CO3)(OH, F)
Origin of name: From hydroxyl and bästnasite
Crystal system: Hexagonal
Crystal class: Unknown
Twinning:
Unit cell:
Colour: Wax-yellow to dark brown, colourless
Diaphaneity:
Luster: Vitreous to greasy
Habit: Reniform aggregates
Hardness: 4
Specific gravity: 4.75
Cleavage: 1; {11-20} imperfect
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with bastnäsite
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