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Welshite
Type Locality
Långban, Filipstad, Värmland, Sweden
Mineral Data
Ca
4
Mg
9
Sb
3
O
4
[Si
6
Be
3
AlFe
2
O
36
]
Strunz:
9.DH.40
Physical Properties
Hardness:
6.0
Tenacity:
brittle
