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Aminoffite
Type Locality
Långban, Filipstad, Värmland, Sweden
Mineral Data
Ca
2
(Be,Al)(Si
2
O
7
)(H
2
O,OH)
Strunz:
9.BH.05
Physical Properties
Crystal System:
Tetragonal
Hardness:
5.5 - 6.0
Tenacity:
brittle
