Practical Mineralogy Simplified; For Mining Students, Miners And Prospectors

Paperback | October 12, 2012

byJesse Perry Rowe

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 edition. Excerpt: ... Chapter IX NON-METALLIC MINERALS The preceding chapters have covered, to a fair degree, the minerals that may be, and generally are, known as ore minerals or metallic minerals. While all of the minerals previously discussed are not, in reality, ores, they are metallic minerals, i.e., having in their composition more or less metallic elements, and naturally thrown into that class. Most of them have metallic lustres, and most have a fairly high specific gravity, and are quite easily fusible. The minerals that are to be discussed under the head of the non-metallic minerals will be largely minerals of nonmetallic lustre, low specific gravity, and many of them rather difficult to fuse. Most of the minerals previously discussed are more valuable than those that are to be discussed in the succeeding chapters. It is the writer's aim to take up, in the forthcoming chapters, most or practically all of the economic nonmetallic minerals, and give their physical characters, and a few other simple tests, that will enable any one to determine the minerals. It is probably impossible, however, from such a meagre discussion, for every one to be able to identify every mineral taken up. However, the writer believes that most people, who make these tests carefully, will be able to identify most of the minerals. As previously stated, the non-metallic minerals will be discussed alphabetically; however, the varieties of a mineral will be mentioned when the principal mineral is given. Albite.--This mineral is one of the feldspars, and has rather a complex composition. It is composed of sodium, aluminum silicate. Occurs massive, and also in crystals; color generally white, but sometimes gray, reddish, greenish, etc.; lustre vitreous; streak uncolored; cleavage...

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 edition. Excerpt: ... Chapter IX NON-METALLIC MINERALS The preceding chapters have covered, to a fair degree, the minerals that may ...

Format:PaperbackDimensions:38 pages, 9.69 × 7.44 × 0.08 inPublished:October 12, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217034276

ISBN - 13:9780217034272

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