Formula: (Zn,Fe,Al,Mg)6(Si,Al)4O10(OH)8
Origin of name: For Sturges W. Bailey, American mineralogist
Crystal system: Triclinic
Crystal class: 1 or -1
Twinning:
Unit cell: a = 5.346 Å, b = 9.257 Å, c = 14.401 Å, b = 97.12°
Colour: Green, yellow-green
Diaphaneity: Translucent to transparent
Luster:
Habit: Fine-grained transverse fibres
Hardness: Less than 5
Specific gravity: 3.18
Cleavage: Perfect micaceous
Tenacity:
Streak:
Synonyms/varieties:
Comments: Chlorite group. Found as rims on colloform calcite veins, within strongly oxidised collapse karst-breccia containing skarn clasts
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