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silicicalceSILICICAL'CE, n. [L. silex or silica and calx.] A mineral of the silicious kind, occurring in amorphous masses; its color is gray or brown. |
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silicicalceSILICICAL'CE, n. [L. silex or silica and calx.] A mineral of the silicious kind, occurring in amorphous masses; its color is gray or brown. |