pp cpl

We only see interference colors if we insert the upper polarizer and view a thin section in XP light. gambar buat pp wa keren For example, the photos in Figure 5. pp couple sama bestie ber 3 43 show PP and XP views of the same area on a thin section In the PP view, brown-tan biotite and opaque magnetite (black and unlabeled) are easily seen But quartz and sillimanite are clear and uncolored