Optical Mineralogy Paul F Kerr.pdf Better ✓

Quartz, Feldspars (with twinning laws), Micas (Muscovite, Biotite), Olivine, Pyroxenes, Amphiboles, Carbonates, and Opaque minerals.

Kerr is unmatched for learning how to manipulate the microscope. Modern texts are better for rare minerals or color comparisons. Ideally, you would use both—Kerr for the fundamentals, a modern atlas for color images. Optical Mineralogy Paul F Kerr.pdf

Before diving into the specifics of the PDF, it is vital to understand the author. Paul Francis Kerr (1897–1981) was a distinguished American mineralogist and a long-time professor at Columbia University. He was not merely an academic; he was a field geologist who worked on the Manhattan Project (identifying uranium ores) and consulted for the U.S. Geological Survey. Feldspars (with twinning laws)

Rock-forming mineral descriptions