Formula: Ca2Cu[B(OH)4]2(OH)4
Origin of name: For K. and C. Henmi, Japanese mineralogists
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: Bluish violet
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals rare, euhedral to 0.2 mm; anhedral masses
Hardness: 2
Specific gravity: 2.52
Cleavage: None
Tenacity:
Streak: Pale violet to nearly white
Synonyms/varieties:
Comments:
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