[sfal-uh-rahyt, sfey-luh-] 
| a very common mineral, zinc sulfide, ZnS, usually containing some iron and a little cadmium, occurring in yellow, brown, or black crystals or cleavable masses with resinous luster: the principal ore of zinc and cadmium; blackjack. |
| sphal·er·ite (sfāl'ə-rīt') n. The primary ore of zinc, occurring in usually yellow-brown or brownish-black crystals or cleavage masses, essentially ZnS with some cadmium, iron, and manganese. Also called blende, zinc blende. [Greek sphaleros, slippery, deceitful (from sphallein, to trip, from its being easily mistaken for galena) + -ite1.] |
əˌraɪt