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Silex

SI'LEX, SIL'CIA, n. One of the supposed primitive earths m usually found in the state of stone. When pure, it is perfectly white or colorless. The purer sorts are mountain crystal and quartz. Recent experiment...

Webster Dictionary
English dictionary 16.3 MB

Meaning

SI'LEX, SIL'CIA, n. One of the supposed primitive earths m usually found in the state of stone. When pure, it is perfectly white or colorless. The purer sorts are mountain crystal and quartz. Recent experiments prove this to be a compound substance, the base of which is a metal called silicium. Silica then is an oxyd of silicium.

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