 “ Chrysolite  (anhidrous silicate of Magnesia) consists of Magnesia 50, Silica 40, Iron 9, Sp. Gr. 3.3, and occurs in somewhat rounded crystalline masses. Their form is a right rectangular prism, color is bright yellow tinged with green. BB it is infusable alone. The name chrysolite imports a valuable stone, or gem. The best specemens of this mineral are brought from Constantinople, and the Levant, but under what circumstances they are found, we are not informed.” 