acmonidesite

Etymology
From Acmonides (from Greek Ακμωνιδης), who was a Cyclops and a helper of Hephaistos, the god of fire whose forge was said to be located at Vulcano + -ite.

Noun

 * 1)  An orthorhombic sulfate chloride mineral with the chemical formula (NH4,K,Pb)8NaFe2+4(SO4)5Cl8.