Minerals in Rock Sections - The Practical Methods of Identifying Minerals in Rock Sections With the Microscope; Especially Arranged for Students in Technical and Scientific Schools #260621

In preparing the revised edition, Chapters I. And IV. Have been rewritten and enlarged and the part relating to the determination of the plagioclases has been greatly amplified. Many additions have also been made to Chapter III. And the Becke method, for the determination of the relative indices of refraction of minerals, has been given in detail.