This item is classified as Ore and can usually be found mining in caverns or rock throughout Hyrule in Zelda: Tears of the Kingdom. Ore items often boast a high sale value over other items in-game.

Mighty Zonaite Spear is a two-handed weapon ... objects while Blunt damage shatters structures such as cracked rock. This weapon can alter the state of your shield when fused with it.