Formula: Zn8Cu4(TeO3)3(OH)18
Origin of name: for Quetzalcoatl, Toltec and Aztec god of the sea, in allusion of the sea blue-green color of the mineral
Crystal system: Hexagonal
Crystal class: 622
Twinning:
Unit cell: a = 10.097, c = 4.944
Colour: Blue
Diaphaneity: Semitransparent
Luster: Pearly to dull
Habit: crystals acicular in crusts or sprays
Hardness: 3
Specific gravity: 6.05
Cleavage: 1; {1010} fair
Tenacity: Brittle
Streak: Pale blue, almost white
Synonyms/varieties:
Comments:
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