THIS edition of Part 3 of Winchell's “Elements of Optical Mineralogy”, now published separately, entirely supersedes the earlier edition, which was incorporated with Parts 1 and 2 in one volume.
(1) THE appearance of a revised edition of Hatch and Wells's “Petrology of the Igneous Rocks” is a matter of interest to British petrologists, since this has long been a standard text-book in British ...
MINERAL OPTICS: Mineral preparations for microscopic study -- The polarizing microscope -- A summary of the properties of light -- Refraction -- Plane polarized light in minerals -- Convergent ...