Gems, Granites, and Gravels PDF Download

Author: R. V. Dietrich
Publisher: Cambridge University Press
ISBN: 9780521344449
Category : Design
Languages : en
Pages : 232

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Book Description
An intriguing introduction to mineralogy and to related specialities such as petrology.

Author: Thomas Leonard Watson
Publisher:
ISBN:
Category : Granite
Languages : en
Pages : 358

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Book Description

Author: John Sinkankas
Publisher: Princeton, N.J. : Van Nostrand [1959]
ISBN:
Category : Nature
Languages : en
Pages : 720

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Book Description

Author: Julius Wodiska
Publisher:
ISBN:
Category : Precious stones
Languages : en
Pages : 470

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Book Description

Author: David Thomas Ansted
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 360

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Book Description

Author: Frank Press
Publisher: Macmillan
ISBN: 9780716796176
Category : Science
Languages : en
Pages : 652

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Book Description
'Understanding Earth' takes students step-by-step to an understanding of, and possible solutions for, a specific conceptual problem in geology, offering guiding questions and exercises.

Author: Oliver Bowles
Publisher:
ISBN:
Category : Granite
Languages : en
Pages : 26

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Book Description

Author: P.C. Keller
Publisher: Springer Science & Business Media
ISBN: 1468466747
Category : Science
Languages : en
Pages : 144

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Book Description
Each gem deposit-whether of primary origin in the parent rocks; or secondary as alluvial placers in valley floors, river gravels, or the sand of oceanic shelves presents an eloquent chronicle of the Earth's life story. It reveals to the expert the prodigious processes which formed the present crust of our planet, of which this volume discloses a small but exciting detail. The materials of the Earth's crust are the rocks. In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones? How do they crystallize? Why do gemstones of the same species, originating from different sources, vary? What causes the occurrence of varieties? Why do diamonds, unlike other precious stones, occur not near the Earth's surface in its crust, but deep down beneath it in the upper mantle? These are only a few of the entrancing subjects discussed in this enlightening volume. The reader learns that the Earth is surprisingly alive and altering constantly-sometimes through slow and equable changes and at times by violent and tremendous cataclysms, events from which gemstones issue.

Author: Ember Grant
Publisher: Llewellyn Worldwide
ISBN: 0738730300
Category : Body, Mind & Spirit
Languages : en
Pages : 266

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Book Description
"Take your magical work with crystals to a new level with this hands-on guide packed with spells, rituals, and methods for using stones in creative ways. Wiccan author Ember Grant explores crystal magic in depth in this practical manual. You can learn about the types of crystals, rocks, and gemstones, and get tips on purchasing, cleansing, charging, and storing them. You can explore methods of magic such as crystal grids and numerology, quartz points and clusters, metals and alchemy, glass and sand magic, magical jewellery, elixirs, personal power stones, meditation, and divination. You can find dozens of spells that you can use for home and garden, health, love, problem solving, dreams, astral travel, and much more. You can practise the exercises to expand your knowledge, and copy the grids to create your own layouts. Extensive appendices of correspondences and a glossary make this guide useful for beginners as well." --Publisher's description.

Author: Lance Grande
Publisher: University of Chicago Press
ISBN: 0226305112
Category : Design
Languages : en
Pages : 387

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Book Description
"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.