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Holfertite
Type Locality
Holfertite pit, Starvation Canyon (Searles Canyon), Thomas Range, Juab Co., Utah, USA
Mineral Data
Ca
x
U
6+
2-x
Ti(O
8-x
OH
4x
)·3H
2
O
Strunz:
4.GB.70
Physical Properties
Hardness:
4.0 - 0.0
Tenacity:
brittle
