Formula: Pb14(As,Sb)6S23
Origin of name: For J. Jordan, German collector
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Lead-gray, tarnished iridescent
Diaphaneity: Opaque
Luster: Metallic
Habit: Crystals tabular, pseudohexagonal aspect; reniform
Hardness: 3
Specific gravity: 6.44
Cleavage: 2; {010} perfect, {001} parting
Tenacity:
Streak: Black
Synonyms/varieties:
Comments: Series with geocronite
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