siliciferous

sil·i·cif·er·ous

S0405900 (sĭl′ĭ-sĭf′ər-əs)adj. Bearing, producing, or in partial combination with silica.

siliciferous

(ˌsɪlɪˈsɪfərəs) adj (Elements & Compounds) containing or yielding silicon or silica