Granite: a very hard, granular, crystalline, igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone.
Noun: The house is made of franite.
Limestone: a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.
Noun: The margins of some of limestone bloks are slickensided.
Marble: a hard crystalline metamorphic form of limestone, typically white with mottlings or streaks of color, that is capable of taking a polish and is used in sculpture and architecture.
Noun: My aunt like all the things that are made of marble.