Formula: HfSiO4
Origin of name: From hafnium
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Twinning:
Unit cell:
Colour: Orange-red, brownish-yellow
Diaphaneity: Transparent to translucent
Luster:
Habit: Crystals, euhedral to irregular, heavily zoned with zircon
Hardness:
Specific gravity: 6.97
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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