Excerpt from Quartz and Its Varieties: Including Rock Crystal, Amethyst, Agate, Jasper, Agatized Wood, Smoky Quartz With a Description of Localities Quartz is the most widely distributed of the minerals, and is found in all quarters of the earth. The varieties of form and color embraced in quartz 'are infinite. Its beauty and usefulness in many ways, have been acknowledged from the earliest times. Nearly all collections of minerals include a greater number of specimens of quartz than of any other single species. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.