general/amphibole-group
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Nephrite
Variety of jade
Arfvedsonite
Sodium amphibole mineral
Anthophyllite
Silicate amphibole mineral
Tschermakite
Amphibole, double chain inosilicate mineral
Cummingtonite
Silicate mineral
Riebeckite
Sodium-rich member of the amphibole group of silicate minerals