A₁N₁O₁R₁T₁H₄I₁T₁E₁

12 points

ANORTHITE is validvalid

a rare feldspar occurring in many igneous rocks [n ANORTHITES]

89,914 of 196,601 in NWL2023·also valid in CSW24

a plagioclase feldspar, calcium aluminium silicate [n -S]

8,909 of 280,887 in CSW24·also valid in NWL2023