Minerals in Rock Sections
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About this book
Minerals in Rock Sections by Lea McIlvaine Luquer sets out the practical methods of identifying minerals in rock sections with the microscope, especially arranged for students in technical and scientific schools. The preface to the fourth revised edition, 1913, says the edition is practically that of 1908, with necessary minor revisions and corrections. The text says convergent light is used to distinguish between uniaxial and biaxial crystals.
Chapter IV is headed The Microscopic and Optical Characters of Minerals and has an entry on opal, described as isotropic and amorphous. The text says limonite is essentially a decomposition product, often forming pseudomorphs after ferruginous silicates or halos about the iron ores. The text says the singeing drives off the more volatile part of the cement, leaving only a brittle residue, which can be easily scraped off with a knife.
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Book facts
- Author
- Lea McIlvaine Luquer
- Pages
- 210
- Language
- English
- Genre
- Educational
- Formats
- PDF, EPUB, Read online