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Author: Bruce Cairncross Publisher: Penguin Random House South Africa ISBN: 1775847543 Category : Nature Languages : en Pages : 885
Book Description
Southern Africa is home to many important and interesting minerals, as well as a wide array of beautiful gemstones – including diamonds from South Africa, emeralds from Zimbabwe and tourmalines from Namibia. Minerals & Gemstones of Southern Africa is not only the most up-to-date publication on the minerals of Botswana, Eswatini, Lesotho, Namibia, South Africa, southern Mozambique and Zimbabwe, but also the first to feature the region’s gemstones. Mineral species descriptions detail their gemological properties, history, occurrence and uses, and are illustrated with striking full-colour photographs. The book includes: An introduction to the geology of the region. Detailed descriptions of minerals, including their gemological properties, history, occurrence and uses. Multiple full-colour photographs of the species. An invaluable guide for collectors, gemologists, students and anyone with an interest in earth sciences. Sales points: An important record of the region’s diverse mineral and gemstone heritage. Over 1 000 full-colour photographs. Concise, authoritative text.
Author: Bruce Cairncross Publisher: Penguin Random House South Africa ISBN: 1775847543 Category : Nature Languages : en Pages : 885
Book Description
Southern Africa is home to many important and interesting minerals, as well as a wide array of beautiful gemstones – including diamonds from South Africa, emeralds from Zimbabwe and tourmalines from Namibia. Minerals & Gemstones of Southern Africa is not only the most up-to-date publication on the minerals of Botswana, Eswatini, Lesotho, Namibia, South Africa, southern Mozambique and Zimbabwe, but also the first to feature the region’s gemstones. Mineral species descriptions detail their gemological properties, history, occurrence and uses, and are illustrated with striking full-colour photographs. The book includes: An introduction to the geology of the region. Detailed descriptions of minerals, including their gemological properties, history, occurrence and uses. Multiple full-colour photographs of the species. An invaluable guide for collectors, gemologists, students and anyone with an interest in earth sciences. Sales points: An important record of the region’s diverse mineral and gemstone heritage. Over 1 000 full-colour photographs. Concise, authoritative text.
Author: Manuel A. Robbins Publisher: Springer Science & Business Media ISBN: 1475747926 Category : Science Languages : en Pages : 311
Book Description
Over the last several decades, the number of people who are actively involved in the hobby or science of mineral collecting has grown at an increasing pace. In response to the growing demand for informa tion which this large and active group has created, a number of books have been published dealing with mineralogy. As a result, the reader now has a choice among mineral locality guides, field handbooks, photo collections, or books dedicated to the systematic description of minerals. However, as interest in mineralogy has grown, as collectors have become increasingly knowledgeable and aware of mineralogy in its many facets, the need for more specialized information has also grown. Nowhere is this need greater than in the subject of the fluorescence of minerals. The number of collectors who now main tain a fluorescent collection is substantial, interest is constantly increasing, and manufacturers have recently responded by the intro duction of new ultraviolet equipment with major improvements in utility and performance. Yet when the collector searches for any information on this subject, little will be found. He or she will seek in vain for the answers to questions which present themselves as in terest in fluorescent minerals grows and matures. Which minerals fluoresce? Where are fluorescent minerals found? What makes a mineral fluoresce? Why does ultraviolet light produce fluorescence? What is an activator, and how does it contribute to fluorescence? On these matters, the available mineralogy books are largely silent.
Author: Srdjan M. Bulatovic Publisher: Elsevier ISBN: 008093210X Category : Science Languages : en Pages : 239
Book Description
Handbook of Flotation Reagents: Chemistry, Theory and Practice is a condensed form of the fundamental knowledge of chemical reagents commonly used in flotation and is addressed to the researchers and plant metallurgists who employ these reagents. This book consists of three distinct parts: part 1 provides detailed description of the chemistry used in mineral processing industry; part 2 describes theoretical aspects of the action of flotation reagents, while part 3 provides information on the use of reagents in over 100 operating plants treating Cu, Cu/Zn, Cu/Pb, Zn, Pb/Zn/Ag, Cu/Ni and Ni ores. Looks at the theoretical aspects of flotation reagents Examines the practical aspects of using chemical reagents in operating plants Provides guidelines for researchers and engineers involved in process design and development
Author: A.G. Tindle Publisher: Liverpool University Press ISBN: 1780466854 Category : Science Languages : en Pages : 625
Book Description
Minerals of Britain and Ireland is a completely comprehensive treatment of the minerals found in Britain, Ireland and the surrounding islands.
Author: Maurice C. Fuerstenau Publisher: SME ISBN: 9780873352529 Category : Science Languages : en Pages : 910
Book Description
&Quot;Froth Flotation: A Century of Innovation comprehensively describes state-of-the-art research and practice in mineral froth flotation a century after its introduction. Recognized experts from around the world provide in-depth coverage on many facets of flotation, including the historical aspects; fundamentals; chemistry; flotation cells, modeling, and simulation; and flotation plant practice. This commemorative volume is an invaluable reference for industry professionals, researchers, and graduate students."--BOOK JACKET.
Author: Amethyst Qu Publisher: Peachfront Press ISBN: Category : Body, Mind & Spirit Languages : en Pages : 246
Book Description
Beyond crystal healing... Amethyst Qu shares 101 days of secret crystal teachings in her new crystal magick book of shadows. Natural crystals, minerals, gems, and fossils captivate our psyche with their beauty. Yet the folklore of the ancient wise ones tells us these treasures of the Earth are more than just beautiful specimens meant to sit on a shelf. You are drawn to these crystals for a purpose. Our stones are friendly, helpful natural citizens of our Earth who want to partner with us to make our world a better place. Crystals are a gift from our Earth prized by shamans and seekers all over the globe from the dawn of time. Follow one seeker as she shares her personal experiences of how she uses metaphysical crystals to gain secret knowledge, enhance psychic ability, and manifest a more fulfilling life. You do not have to be an advanced occultist to use the wise, gentle power of the stones. This friendly form of folk magick is open to all. Learn how you can begin your life of crystal magick today. This book was originally published as the first 101 episodes of Amethyst Qu's online serial book of shadows, Crystal Magick, Meditation, and Manifestation: A Crystal Book of Shadows. It is now being made available in the convenient ebook format for the very first time. By the co-author of The Moldavite Message and The Complete Crystal Cash Prosperity Secrets. Keywords & themes: Crystals, New Age crystals, metaphysical crystals, birthstones, gemstones, gem and mineral collection, natural Earth magic, occult secrets and mysteries, Wicca, witchcraft, folklore, positive spellwork.
Author: Bruce Cairncross
Author: Bruce Cairncross
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Author: 
Author: Dmitriy Belakovskiy
Author: Manuel A. Robbins
Author: Srdjan M. Bulatovic
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Author: A.G. Tindle
Author: Maurice C. Fuerstenau
Author: Amethyst Qu