知识贝壳
知识贝壳
所属栏目：矿物学专业术语
Definition: The Becke Line Test is a technique in optical mineralogy that helps determine therelative refractive index of two materials. It is done by lowering the stage (increasing the focaldistance) of the petrographic microscope and observing which dir ......（本文共 668 字 ） [阅读本文] >>