tectosilicate
1. The feldspar group contains tectosilicate minerals with similar properties, including orthoclase, albite and labradorite. Feldspars make up more than 60% of the upper crust of the earth.
长石系列包含网状矽酸盐的矿物并且有相似的属性,包括正长石,钠长石以及拉长石.长石构成了60%的上层地壳.