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Silvialite
Type Locality
McBride Province, Charters Towers Region, Queensland, Australia
Mineral Data
(Ca,Na)
4
(Al
6
Si
6
O
24
)(SO
4
,CO
3
)
Strunz:
9.FB.15
Physical Properties
Crystal System:
Tetragonal
Streak:
White
Hardness:
5.5
