COLUMBITE
15
Scrabble
20
WWF
C(3) O(1) L(1) U(1) M(3) B(3) I(1) T(1) E(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
noun
- A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.
Source: Wiktionary
Hooks
Back hooks: COLUMBITE-S