quartz felspar kalaikhera,Difference Between Quartz and Feldspar | Difference BetweenJun 16, 2010 . Quartz vs Feldspar Quartz and feldspar are minerals that are found on the earth's crust. Let us discuss some of the differences between quartz.quartz felspar kalaikhera,Difference Between Quartz and FeldsparAug 6, 2011 . Because of their structural similarities, many people remain confused between quartz and feldspar. This article attempts to highlight the.