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Wightmanite
Type Locality
Commercial quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Riverside Co., California, USA
Mineral Data
Mg
5
(BO
3
)O(OH)
5
·2H
2
O
Strunz:
6.AB.55
Physical Properties
Crystal System:
Monoclinic
Streak:
White
Hardness:
5.5
