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Barnesite
Type Locality
Cactus Rat Mine, Cisco, Yellow Cat District (W. part of Thompsons District), Grand Co., Utah, USA
Mineral Data
(Na,Ca)V
6
O
16
·3H
2
O
Strunz:
4.HG.45
Physical Properties
Crystal System:
Monoclinic
Hardness:
3.0
Tenacity:
fragile
