| Автор: Toohill Trudy
Название: Identification of Corundum: Corundum Identification, Ruby, Sapphire, Synthetic Corundum, Identification, Inclusions, Instrument Readings, Orientat
ISBN: 1543005179 ISBN-13(EAN): 9781543005172
Издательство: Неизвестно
Цена: 25550.00 T
Наличие на складе: Невозможна поставка.
Описание: This book takes a look at the mineral corundum which includes the blue corundum variety, sapphire, and the red corundum variety, known as ruby. It covers the following Two Commercial Methods of Ruby Synthesis Verneuil Flame Fusion Growth Czochralski Crystal Pulling method How to Distinguish Between a Synthetic and Natural Ruby What Are Two Typical Inclusions Found in Natural Burma Rubies Why Does a Natural Blue Sapphire Show Interference Colours When Viewed Through the Table on a Polariscope and What Information About the Stone Can be Obtained Through the Colour Pattern That is Seen? Readings for a natural Sapphire on a Refractometer How to Determine Between a Natural Dark Blue Australian Sapphire and a Natural Dark Blue Spinel and a Dark Blue Paste stone
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