Look up tour de force in Wiktionary, the free dictionary. Tour de Force may refer to: 1  French phrase, meaning, a feat or display of strength, skill, or ingenuity, such as the funny movie is a comic tour de force.  Tour De Force (tour), 1986 Elton John Concert Tour.
Granite is an igneous rock composed of mostly two minerals: quartz and feldspar. It is an intrusive rock, meaning that it crystallized from magma that cooled far below the earth's surface.
Granite is an igneous rock composed of mostly two minerals: quartz and feldspar. It is an intrusive rock, meaning that it crystallized from magma that cooled far below the earth's surface.Its name is derived from the Latin word 'granum', which means 'grain', a reference to the easily-seen minerals in the rock.hen that happens, the granite is called a pegmatite. The overall color of granite depends largely on the kind of feldspar in the rock. Potassium-rich feldspar tends to be some shade of red or pinkish-tan, so a lot of granite is similarly red or pink.