Formula: CaZrTi2O7
Origin of name: Named for the composition
Crystal system: Amorphous
Crystal class:
Twinning:
Unit cell:
Colour: Black to brown, red
Diaphaneity: Translucent to opaque
Luster: Resinous
Habit: Striated, massive, prismatic
Hardness: 6.5
Specific gravity: 4.8
Cleavage:
Tenacity: Conchoidal fracture
Streak: Dark brown, brownish yellow
Synonyms/varieties: Polymignite-metamict
Comments: Found in pegmatites
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