Wiktionary
ferroan
a. (context mineralogy English) Describing minerals containing ferrous iron
Usage examples of "ferroan".
He could sense everything focused on him: the Ferroans surrounding them, the boras whipping angrily overhead, Saba watching tense and puzzled beside him, Senshi, the Magister-perhaps even Sekot itself.
From his perch on the rim of the abyss, Luke could see hundreds of Ferroans massed at the mouths of the tunnels below, the combined light of dozens of glow sticks creating halos around each entrance.