A₁M₃P₃H₄I₁B₃O₁L₁E₁

18 points

AMPHIBOLE is validvalid

a group of dark-colored silicate minerals [n AMPHIBOLES]

89,682 of 196,601 in NWL2023·also valid in CSW24

any mineral of a group of dark-coloured, rock-forming silicates [n -S]

7,214 of 280,887 in CSW24·also valid in NWL2023