Excerpt from A System of Mineralogy, Vol. 2 Page 1. Apattte. 2. Phosphorite. Common Apatite, Common Phosphorite, conchoidal-apatite, Earthy Phosphorite, XXIII. Fluor Family. 1. Floor. Floor-spar, Compact Floor, 219 Earthy Fluor, XXIV. Gypsum Family. 1. Gypsum. 2. Anhydrite. Earthy Gypsum, 231 Compact Anhydrite, Compact Gypsum, 238 Fibrous Anhydrite, Fibrous Gypsum, 235 Sperry Anhydrite, Foliated Gypsum, 237 Scaly Anhydrite, Sperry Gypsum, 242 3. Vulpinite. 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.