Formula: NaNbO3
Origin of name: from composition
Crystal system: monoclinic
Crystal class: unknown
Twinning:
Unit cell:
Colour: yellowish, brownish, blackish
Diaphaneity:
Luster:
Habit: irregular grains, fine-grained aggregates
Hardness: 5.5 to 6
Specific gravity: 4.40
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments: dimorphous with lueshite
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