Guide for the microscopical identification of ore and gangue minerals: Mineral profiles with photomicrographs. Verkkothis book offers a guide to the microscopic study of metallic ores with reflected light. Verkkohere, i will describe how to get started in photomicrography, what equipment you need, and show some samples of the beauty revealed by a microscope. Verkkothe photomicrographs in figure 1 demonstrate the value of photomicrography in the clinical setting for improving the diagnosis of renal disease. Verkkothe main purpose of this tutorial is to enable the microscopist to record the observed images on film or digital media, and to do so with accuracy of image reproduction. Verkkothis book offers a guide to the microscopic study of metallic ores with reflected light.