Formula: FeTeO3(OH).H2O
Origin of name: after locality Moctezuma mine, Sonora, Mexico
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 10.98 Å, b = 10.27 Å, c = 7.92 Å, b = 108.5°
Colour: yellow-green
Diaphaneity:
Luster: vitreous
Habit: crystals platy, in rosettes and sheaves in aggregates to 1 mm across
Hardness: about 3 (approximate)
Specific gravity: 3.95
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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