A group of igneous and plutonic rocks composed primarily of feldspar and quartz. Usually contains one or more dark minerals, which may be mica, pyroxene, or amphibole. Granite is quarried for building stone, road gravel, decorative stone, and tombstones. Common colors are gray, white, pink, and yellow-brown.
Toughness; the quality of having a thick skin or being rough.
Sprinkled or covered with silver.
Having the clear, musical tone of silver; soft and clear in sound.
Resembling silver in color, shiny white.