COLUMBITE is validvalid

a mineral, niobate and tantalate of iron and manganese, aka niobite

94,376 of 196,601 in NWL2023·also valid in CSW24

a mineral, niobate and tantalate of iron and manganese, aka niobite

45,766 of 280,887 in CSW24·also valid in NWL2023

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