Formula: Hg36Sb3(Cl,Br)9O28
Origin of name: From locality; Kelyan, Russia
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Reddish-brown
Diaphaneity:
Luster:
Habit: Irregular grains, tiny
Hardness:
Specific gravity: 8.51 to 8.63
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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