Metamorphic rock composed of recrystallized carbonate minerals.
Anhydrous carbonate mineral composed of calcium magnesium carbonate, also known as Dolomite.
Igneous rock that is granular and phaneritic in texture.
Made of quartz sand or aggregate, mixed with polyester resin, ethenybenzene, pigments, and other additives.
Hard, non-foliated metamorphic rock which was originally pure quartz sandstone.
Made of kaolinite, feldspar, ball clay, glass, steatite, quartz,
petuntse and other materials.