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Minerals, Rocks and Gemstones by Rudolf Borner (Translated and edited by W. Mykura). 250 pp., 7 figs., 14 coloured plates. Oliver & Boyd Ltd., Edinburgh, 1962. Price 25s

Book ID: 102225747
Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 131 KB
Volume: 3
Category: Article
ISSN: 0072-1050
DOI: 10.1002/gj.3350030215

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✦ Synopsis

xv MINERALS, R O d AND GEMSTONES by Rudolf Borner (Translated and edited by W. Mykura). 250 pp., 7 figs., 14 coloured plates. Oliver & Boyd Ltd., Edinburgh, 1962. Price 25s.

This book is a guide to identification of rocks and minerals with a special emphasis on precious and semi-precious varieties. The volume is divided into three parts--on minerals, rocks and gemstones respectively. Each part, in addition to numerous identification tables, has a short general introduction. Throughout the book, macroscopic characters of minerals and rocks are used as indices of identifica-

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Minerals, rocks and gemstones by Rudolf

Minerals, rocks and gemstones by Rudolf Börner. Translated and edited by W. Mykura. 250 pp. Oliver and Boyd, 30/— 1966

📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 103 KB

cycle, of which the Caledoinan was a type example, have never been entirely convincing. Possible reasons for this are to be. found in the several chapters of the volume dealing with rocks involved in the Caledonian 'orogeny' which suggest Caledonian activity to have been much longer Iived and Iess c