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Afwillite
Type Locality
Dutoitspan Mine, Kimberley, Francis Baard District, Northern Cape Province, South Africa
Mineral Data
Ca
3
(HSiO
4
)
2
·2H
2
O
Strunz:
9.AG.75
Physical Properties
Crystal System:
Monoclinic:
Streak:
White
Hardness:
3.0 - 4.0
Tenacity:
brittle
