CONSIDERATIONS TO KNOW ABOUT 碳酸鑭

The most common form of crystalline alumina, α-aluminium oxide, is referred to as corundum. When trace aspects help it become surface pink it is referred to as ruby, but all other colorations fall underneath the designation sapphire. Corundum includes a trigonal Bravais lattice with an area group of R-3c (number 167 inside the Intercontinental Tab