feldspar grinding mill, feldspar grinding machine
Feldspar is an aluminosilie mineral containing calcium, sodium and potassium. It has many kinds, such as albite, anorthite, celsian feldspar, feldspar feldspar, micro plagioclase, feldspar, and feldspar. They all have a glassy finish and a wide range of colors. There are colorless, white, yellow, pink, green, gray, black and so on.