Alkali feldspar granite they provide 'crystallized' telltale clues of their environment of formation. Alkali feldspar granite is used as construction material in the form of dimension stones, and polished slabs or tiles for building facades, pavements, and kitchen countertops. Alkali feldspar granite Alkali feldspar granite, some varieties of which are called 'red granite', is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar (K-spar). It is a dense rock with a phaneritic texture. The abundance of K-spar gives the rock a predominant pink to reddish hue; peppered with minor amounts of black minerals. As shown in the
Granite Rock Township, Redwood County, Minnesota Granite Rock Township, Redwood County, Minnesota Granite Rock Township is one of the twenty-six townships of Redwood County, Minnesota, United States. The population was 241 at the 2000 census. Granite Rock Township was organized in 1890, and named for the granite rock formations in the Redwood River valley. According to the United States Census Bureau, the township has a total area of ; of it is land and of it (0.05%) is water. Per its name, Granite Rock Township contains deposits of granite, a rock composed of three different major minerals. The city of Lucan is located in Granite Rock