A type of this rock with concentric patterns called Rapakivi is easily crumbled to sand. The hypersolvus type of this rock have exsolution textures referred to as perthitic. A yellow variety of this rock is called Kashmir gold. The M-type of this rock has high contents (15[1])of alkali feldspar, while the A-type of this rock is created in an organic area. Most of these rocks are classified as (*) I- or S-type based on their sodium content in the Chappell-White system. (10[1]-5[1])This rock is found (-5[1])in the top left, (10[1])and largest region of, the plutonic QAPF diagram. This phaneritic, (10[1])coarse-grained rock is the intrusive analog of rhyolite. (10[7])Potassium feldspar (-5[1])gives the pink (10[1])color of this igneous (-5[1])rock. For 10 points, identify this rock that makes up most of the continental crust (10[2])and is often (-5[1])used in countertops. (10[4])■END■ (10[6]0[1])