Silex
From BiblePortal Wikipedia
Silex [1]
(n.) Silica, SiO2 as found in nature, constituting quarz, and most sands and sandstones. See Silica, and Silicic.
Silex [1]
(n.) Silica, SiO2 as found in nature, constituting quarz, and most sands and sandstones. See Silica, and Silicic.