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Formula: Zn4Mn2+7(AsO4)2(SiO4)2(OH)8
Compound arsenate,
manganese-bearing mineral
Crystal System: Orthorhombic
Specific gravity: 4.17measured, 4.20 calculated
Hardness: 4½
Streak: Pale orange
Colour: Orange
Common impurities: Fe,Mg,H2O
Environments:
Kolicite is rare at the type locality, the Sterling Mine, New Jersey, USA, where it has been found in a
marble-hosted zinc oxide and
zinc silicate orebody, associated with willemite,
holdenite, franklinite,
calcite, (Mindat) sonolite
and friedelite
(HOM, AM64.708).
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