Pleochroism and pleochroism ' s formation mechanism of gem quality corundum 刚玉族宝石的多色性及形成机理
2.
Both the methods for measuring such optical constants as cleavage angle , interference color level , extinction angle , length sign , optical sign , optic angle , pleochroism formula , absorptivity formula and the determining program for transparent minerals will be emphasized to lecture 重点讲授透明矿物解理夹角、消光角、延性符号、干涉色级序、光性符号、光轴角、多色性公式、吸收性公式的测定方法和透明矿物的鉴定程序。
