Excerpt from Catalogue of the Minerals and Rocks in the Collection of the Australian Museum Minerals are natural inorganic bodies, possessing definite chemical and physical qualities. About 600 different minerals are at present known; but many of these are of rare occurrence, and, though extremely interesting to science, are without economic import. Select ing those minerals which are remarkable for their wide distribution and at the same time those which are of value, whether rare or frequent, the number which it is ...
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Excerpt from Catalogue of the Minerals and Rocks in the Collection of the Australian Museum Minerals are natural inorganic bodies, possessing definite chemical and physical qualities. About 600 different minerals are at present known; but many of these are of rare occurrence, and, though extremely interesting to science, are without economic import. Select ing those minerals which are remarkable for their wide distribution and at the same time those which are of value, whether rare or frequent, the number which it is advisable for practical miners to know is thus reduced to about Seventy-five; this limited number only will be more fully described. In distinguishing animals and plants we may be guided by conspicuous difference in form, size, and colour; but in the mineral world these characters are liable to so much variation that they often cease to be distinctive. And in the case of living things the structure of the various organs may differ, thus affording many points of comparison whereas minerals are destitute of organs. All parts of a mineral are alike: the smallest fragment has similar properties to the whole. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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