Mica | Minerals Education CoalitionMica is a mineral name given to a group of minerals that are physically and chemically similar. . by-product of processing feldspar and kaolin resources, from placer deposits, and from pegmatites. It is mined by conventional open-pit methods.method of mining feldspar mica minerals,method of mining feldspar mica minerals,Feldspar | Minerals Education CoalitionIt is the single most abundant mineral group on Earth. . Feldspar processors reported co-product recovery of mica and silica sand. . Hard-rock mining for feldspars is done by open-pit methods, either by the mine owner or by contractors.
method of mining feldspar mica minerals