(a.) Pertaining to, derived from, or resembling, silica; specifically, designating compounds of silicon; as, silicic acid.

alabaster alabastrine amphibole antimony apatite aplite arsenic asbestine asbestos asphalt azurite bauxite bitumen boron brimstone bromine brucite calcite carbon celestite chalcedony chlorite chromite clay coal coke corundum cryolite diatomite emery epidote epsomite feldspar garnet gel mineral glauconite graphite graphitic gypsum hatchettine holosiderite inorganic inorganic substance iron pyrites jet kyanite lignite lime magnesite malachite maltha marcasite marl meerschaum metamict substance mica micaceous mineral coal mineral kingdom mineral oil mineral resources mineral salt mineral tallow mineral tar mineral wax mineral world mineral-bearing material mineraloid molybdenite monazite nonbiological nonorganic obsidian olivine ore ozokerite peat perlite petrified phosphate rock phosphorus pumice pyrite pyrites pyroxene quartz realgar red clay rhodonite rock crystal rocks salt selenite selenium siderite silica silicate silicic silicon spar spinel spodumene sulfur sulfuric sulfurous talc talcum tellurium unorganic unorganized untreated mineral wollastonite wulfenite zeolite