Formula: Na(Sr,Ba)PO4
Origin of name: for Olga Vorobieva, Russian mineralogist
Crystal system: hexagonal
Crystal class: 3
Twinning:
Unit cell:
Colour: bluish to bluish green
Diaphaneity:
Luster: vitreous
Habit: crystals to 2 mm, grains
Hardness: 4.5
Specific gravity: 3.94
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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