A mineral of the feldspar household triclinic in crystallization and in structure a silicate of alumina and soda its a typical constituent of granite and of different igneous stones See Feldspar
- a widely distributed feldspar that kinds rocks
- A mineral for the feldspar family members, triclinic in crystallization, plus in composition a silicate of alumina and soft drink. It is a common constituent of granite as well as various igneous rocks. See Feldspar.
inside face or take it on