feldsparn.长石=felspar.
Feldspar Pegmatiten.长石伟晶岩(岩浆岩)
feldspar in powder钾长石粉
feldsparphyric rock长石斑岩
feldspar dissolution长石溶解
feldspar earthenware长石质精陶
feldspar-knot gneiss珍珠状片麻岩
feldspar's dissolution弗吉耶
feldspar fine sandstone长石细砂岩
Feldspar/Quartz ratio长江
feldspar orthoclase ceramic正长石烤瓷