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Rivadavite
Type Locality
Tincalayu Mine, Salar Del Hombre Muerto, Salta, Argentina
Mineral Data
Na
6
Mg[B
6
O
7
(OH)
6
]
4
·10H
2
O
Strunz:
6.FA.20
Physical Properties
Streak:
white
Hardness:
3.5
Tenacity:
brittle
