COSALITE

ˈkōzəˌlīt, -ōsəˌ- noun

( -s )

Etymology: from Cosalá, Sinaloa, Mexico + English -ite

: a lead-gray or steel-gray mineral Pb 2 Bi 2 S 5 composed of lead, bismuth, and sulfur (sp. gr. 6.39-6.75)