Formula: (Ca,Na)(Sr,Ce,Ba)(CO3)2
Origin of name: From composition
Crystal system: Orthorhombic
Crystal class: mm2
Twinning:
Unit cell:
Colour: Colourless
Diaphaneity: Transparent
Luster: Vitreous on crystal faces, greasy on fractures
Habit: Crystals tiny; grains tiny
Hardness: 3
Specific gravity: 3.53
Cleavage: 3; {100}, {021} and {100} poor
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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