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. Granite is an intrusive, igneous stone usually found in the continental plates of the Earthâs crust. Igneous stones are mainly formed through volcanic material underneath the Earthâs surface, or liquid magma that has cooled and solidified.ranites are primarily composed of mica, feldspar and quartz, though additional minerals and trace elements give the stone a stunning array of possible colors. Graniteâs hardness and durability make it optimal for heavy-duty uses, such as flooring, countertops and vanities.