The Mineral Indicator: A Practical Guide to the Determination of Generally Occurring Minerals (Classic Reprint) - Softcover

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Excerpt from The Mineral Indicator: A Practical Guide to the Determination of Generally Occurring Minerals

In his work on Blowpipe Practice, the author has given a series of original tables for the determination of minerals, in which, as distinguished from other determinative tables of this kind, an attempt is made to include under the same table minerals of related composition only. In the interval that has elapsed since the publication of the first edition of this work, the advantages of the plan referred to have been fully proved in the authors laboratory by students of sufficiently advanced standing to determine readily the characters, and work out the reactions, on which the tables are based. But experience has also shown that something of a less elaborate description would be better adapted to meet the requirements of students just entering on the study of minerals. Hence the publication of the present simplified tables, by which the name and nature of any mineral of ordinary occurrence may be easily and rapidly ascertained. All that is required, for this purpose, is a slight acquaintance with mineral terminology, and a few hours preliminary practice in the use of the blowpipe.

As regards their frequency of occurrrnce or their relative interest and importance, minerals may be referred to four more or less distinct series.

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