kermesite

[kur-mee-zahyt, -muh-sahyt, kur-mes-ahyt]

noun

a mineral, antimony oxysulfide, Sb2S2O, occurring usually in tufts of red capillary crystals.

Origin of kermesite

First recorded in 1835–45; kermes + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019