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Author: Vandall T. King Publisher: Schiffer Pub Limited ISBN: 9780764335785 Category : Science Languages : en Pages : 94
Book Description
Granite pegmatite crystals have long been admired by gem and mineral collectors as a source of fine specimens and gem materials. Pegmatites can host important deposits of ore minerals and industrial commodities, such as feldspar and mica. Their physical and chemical complexity presents daunting challenges to researchers who seek to better understand their nature and origins. With 209 stunning color photos and clear, authoritative text, this book provides a thorough discussion. Chapters cover pegmatite forms and distributions, interior structures, crystal, mineral, and gem pockets, and references for further study. Examples are from North America as well as worldwide.
Author: Vandall T. King Publisher: Schiffer Pub Limited ISBN: 9780764335785 Category : Science Languages : en Pages : 94
Book Description
Granite pegmatite crystals have long been admired by gem and mineral collectors as a source of fine specimens and gem materials. Pegmatites can host important deposits of ore minerals and industrial commodities, such as feldspar and mica. Their physical and chemical complexity presents daunting challenges to researchers who seek to better understand their nature and origins. With 209 stunning color photos and clear, authoritative text, this book provides a thorough discussion. Chapters cover pegmatite forms and distributions, interior structures, crystal, mineral, and gem pockets, and references for further study. Examples are from North America as well as worldwide.
Author: R. J. Lauf Publisher: Schiffer Publishing ISBN: 9780764340031 Category : Garnet Languages : en Pages : 0
Book Description
Garnet, with its many color varieties, is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, in both igneous and metamorphic rocks. Other members of the group are prized by species collectors and micromount enthusiasts. Over 120 color photos of these beautiful minerals show each species in its geological context. This book also explains how garnets are formed and the unique conditions that create fine crystals and vivid colors. After a brief introduction, the general treatment begins with an explanation of the chemistry and taxonomy of the group. A section on their formation and geochemistry explains the kinds of environments where garnets are formed. Detailed entries for each mineral provide locality information and full-color photos so that collectors can see what good specimens look like and which minerals one might expect to find in association with them. An extensive bibliography is provided.
Author: R. J. Lauf Publisher: Schiffer Publishing Limited ISBN: 9780764337758 Category : Tourmaline Languages : en Pages : 0
Book Description
Among rock-forming minerals, the colorful tourmaline group is a favorite of both mineral collectors and gemologists. Superb examples are found at many locales worldwide, and in diverse geological settings from pegmatites to schists. Over 120 clear, crisp photos show each mineral in its geological context. This book will help mineral and gem collectors understand tourmaline mineralogy and see how changes in nomenclature reflect our evolving understanding of the group. The text explains the chemistry and taxonomy of the group, the environment in which tourmalines form, provides a detailed entry for each mineral including locality information and full-color photos wherever possible so that collectors can see what good specimens look like and which minerals one might expect to find in association with them. An extensive bibliography is provided for readers who wish to learn more. Every serious mineralogist, gemologist, and rock hound will need this book.
Author: Various Publisher: Read Books Ltd ISBN: 1473356415 Category : Body, Mind & Spirit Languages : en Pages : 59
Book Description
A comprehensive guide to the main varieties of birthstones, including their properties and structure. This volume features extracts from eight historical articles on the subjects of gemology and crystallography. This illustrative guide to birthstones is an ideal read for those who are interested in learning more about their spiritual connection to the natural world. Featured extracts taken from the following articles: - ‘Gems and Gem Materials’ Edward Henry Kraus - ‘The Natural History of Gems – Or, Decorative Stones’ C. W. King - ‘Diamonds and Precious Stones - Their History, Value and Distinguishing Characteristics’ Harry Emanuel - ‘A Manual of Precious Stones and Antique Gems’ Hodder M Westropp - ‘Precious Stones and Gems - Their History, Sources and Characteristics’ Edwin W. Streeter - ‘Gem Testing’ B W Anderso - ‘A Hand-Book of Precious Stones’ M. D. Rothschild - ‘Gem Stones and Their Distinctive Characters’ G. F. Herbert Smith
Author: James R. Wilson Publisher: Utah Geological Survey ISBN: 1557913366 Category : Nature Languages : en Pages : 156
Book Description
With the tremendous growth of population in this and neighboring states, there are more collectors than ever before and with the rapidly escalating prices for mineral and fossil specimens in the retail market, there is a great demand for displayable material. It has become necessary for professional geologists, hobby collectors, and commercial collectors to recognize each others existence and to try to work together within a framework of regulation, courtesy, and common sense so that material of scientific value is not lost and undue restrictions are not placed upon collecting. There is a continuing need for collectors and professionals to work together with resource managers and legislators to develop workable laws and rules affecting the collecting of minerals and fossils. This publication contains details information about collecting areas, divided by county to make for ease of use. Each collecting area contains information about the minerals, rocks, or fossils present, map recommendations, and other helpful tips on getting to the sites.
Author: Frederick H. Pough Publisher: Houghton Mifflin Harcourt ISBN: 9780395910962 Category : Fiction Languages : en Pages : 558
Book Description
Describes hundreds of minerals and lists their geographic distribution, physical properties, chemical composition, and crystalline structure.
Author: Mark Ivan Jacobson Publisher: ISBN: 9780859053785 Category : Pegmatites Languages : en Pages : 356
Book Description
Summarises the history, geology and minerology of all known pegmatites in Western Australia, as well as providing specific geodetic locations of these deposits and their owndership, where known.
Author: Vandall T. King
Author: Vandall T. King
Author: R. J. Lauf
Author: R. J. Lauf
Author: 
Author: Various
Author: Royal Scottish Museum
Author: James R. Wilson
Author: Frederick H. Pough
Author: Edson Sunderland Bastin
Author: Mark Ivan Jacobson