Gems Minerals
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Gems Minerals Crystals And Ores
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Author : Richard Maxwell Pearl
language : en
Publisher: New York : Odyssey Press [1964]
Release Date : 1964
Gems Minerals Crystals And Ores written by Richard Maxwell Pearl and has been published by New York : Odyssey Press [1964] this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Mineralogy categories.
A unique and authoritative survey for the gem cutter, collector, and hobbyist.
Gems And Gem Minerals
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Author : Oliver Cummings Farrington
language : en
Publisher:
Release Date : 1903
Gems And Gem Minerals written by Oliver Cummings Farrington and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1903 with Gems categories.
A Book Of Precious Stones
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Author : Julius Wodiska
language : en
Publisher:
Release Date : 1918
A Book Of Precious Stones written by Julius Wodiska and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1918 with Precious stones categories.
Gems And Minerals Of The Bible
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Author : Ruth V. Wright
language : en
Publisher:
Release Date : 1970
Gems And Minerals Of The Bible written by Ruth V. Wright and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Bible categories.
Handbook Of Rocks Minerals And Gemstones
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Author : Walter Schumann
language : en
Publisher: Houghton Mifflin Harcourt
Release Date : 1993
Handbook Of Rocks Minerals And Gemstones written by Walter Schumann and has been published by Houghton Mifflin Harcourt this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Nature categories.
Contains descriptions and photographs of approximately six hundred minerals, rocks, and meteorites, providing information about the history, origin, structure, composition, properties, classification, and location of each specimen.
Gems And Gemstones
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Author : Lance Grande
language : en
Publisher: University of Chicago Press
Release Date : 2009-11-15
Gems And Gemstones written by Lance Grande and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-11-15 with Design categories.
"Gems and Gemstones" features nearly 300 color images of cut gems, precious and semiprecious stones, gem-quality mineral specimens, and fine jewelry to be unveiled in the new Grainger Hall of Gems at the Field Museum in Chicago.
Gems And Gem Minerals
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Author : Oliver Cummings Farrington
language : en
Publisher: Theclassics.Us
Release Date : 2013-09
Gems And Gem Minerals written by Oliver Cummings Farrington and has been published by Theclassics.Us this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09 with categories.
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. 1903 edition. Excerpt: ...the high refractive power and hence play of colors of the latter. The stones are sometimes called "Matura diamonds," because of their abundance at Matura in the island of Ceylon. The colorless, or smoky zircons, are often known as "jargons" or "jargoons," a name said to have been given in allusion to the fact that though they resembled the diamond in luster they had really much less value. Besides zircons of this sort there are those known in jewelry as "hyacinth" or "jacinth," which are transparent zircons of a brownish, red-orange color. A stone of a nearly similar color is furnished by the essonite variety of garnet, and this is also often known as hyacinth. The high specific gravity of zircon above referred to is more than four times the weight of water, determinations giving results varying between 4.2 and 4.86. Zircon is thus the heaviest of gems, and will sink at once in any of the ordinary heavy liquids. The hardness of zircon is between that of quartz and topaz, being 7 . Its index of refraction is high, being 1.92, or near to the diamond among gems, a fact which accounts for its brilliancy when cut. Before the blowpipe zircon is infusible. It is not acted upon by acids except in fine powder by sulphuric acid. In composition it is a silicate of zirconium, the percentages being silica 32.8, zirconia 67.2. It usually also contains a little iron oxide. It is not an uncommon mineral in rocks, occurring in crystals of microscopic size, and in crystalline rocks it sometimes occurs in large and abundant crystals. These are usually opaque and of no value for gem purposes, although they are mined to some extent at the present time for use in incandescent lights. Opaque zircon is found...
The Essential Guide To Crystals Minerals And Stones
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Author : Margaret Ann Lembo
language : en
Publisher: Llewellyn Worldwide
Release Date : 2013
The Essential Guide To Crystals Minerals And Stones written by Margaret Ann Lembo and has been published by Llewellyn Worldwide this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Nature categories.
Improve your life on all levels--mentally, physically, emotionally, and spiritually--with this essential reference guide to 160 easily-procured crystals, minerals, and stones. Packed with practical knowledge and 190 beautiful full-color photos, this easy-to-use handbook will teach you all about the gemstone world. Each page provides you with concise information: stone name and properties, color, corresponding chakra, planet, element, zodiac sign, numerological association, and mental, emotional, physical, and spiritual uses. Margaret Ann Lembo's metaphysical crystal directory will also give you Mohs scale ratings, divinatory meanings, and a series of positive affirmations for each stone. Learn how to charge, cleanse, and use gemstones in healing grids, plus how to use them as oracles for personal development and spiritual awakening. Praise: "When energetically used with the understandings and tips provided in this A-Z essential guide, all good things are possible. Your 'everything' go-to for crystals!"--Cyndi Dale, bestselling author of The Complete Book of Chakra Healing and Beyond Soul Mates "A must-have guide for anyone who even enjoys picking up rocks. Her straight-from-the-hip approach is matched by her passion, love and knowledge of each and every geode, multifaceted crystal, and everything in between."--Joan Ranquet, author of Communication with All Life
Rocks And Minerals
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Author : HERBERT S. ZIM
language : en
Publisher:
Release Date : 1957
Rocks And Minerals written by HERBERT S. ZIM and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with categories.
The Encyclopedia Of Gemstones And Minerals
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Author : Martin Holden
language : en
Publisher:
Release Date : 1991
The Encyclopedia Of Gemstones And Minerals written by Martin Holden and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Reference categories.
Shows and describes the characteristics of over two hundred gems and minerals