fersmanite

Not valid in Scrabble

It's a recognised English word, but it isn't in the official NASPA Scrabble word list.

Definition of fersmanite

1 sense · 1 part of speech · etymology included

A monoclinic-prismatic mineral containing calcium, fluorine, niobium, oxygen, silicon, sodium, strontium, and titanium.

Definitions from Wiktionary, CC BY-SA.

2 plays · some not in Scrabble

200+ playable · top: MANIFESTER (15 pts)

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