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A Key to Precious Stones
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Opis
Originally published in 1937, this book deals primarily with precious stones as mineral products and is written from a mineralogical point of view. It gives a background to the principles of mineralogy and uses technical terms, but aims to put these into popular language, making this an easy to use guide. Contents Include: GENERAL PRINCIPLES: Introduction Colour, Lustre and Brilliancy Density and Hardness, Heaviness and Durability Forms of Crystals Optical characters of Precious Stones, Their Action on Light Chemical Composition: What Precious Stones are Made of Geological Occurrence and Origin of Precious Stones Mining of Precious Stones Cutting and Polishing Gems: Forms of Cutting Imitation Gems and Artificial Gem-Stones . Nomenclature of Gems: Names of Gem-Stones and Minerals DESCRIPTIVE PORTION: Diamond - Corundum and it's Colour Varieties, Ruby and Sapphire - Spinel and Chrysoberyl - Beryl and Topaz The Garnet and Tourmaline Groups - Zircon and Olivine - The Quartz Group - Opal and Silica-Glass - Jade (Nephrite and Jadeite) - Lapis-Lazuli and Turquoise. Miscellaneous Gem-Stones - Gem Materials of Organic Origin: Amber, Jet, Pearls, Coral.
Szczegóły
Rok wydania
2008
Ilość stron
268
Format
14.0x21.6cm
Języki
angielski
ISBN
9781443735551
Rodzaj
Książka
EAN
9781443735551
Kraj produkcji
PL
Producent
Swede Sp. z o.o. Sp.k.
Podmiot odpowiedzialny
ANEK SP. Z O.O.
ul. POZNAŃSKA 320
05-850 OŻARÓW MAZOWIECKI
PL
05-850 OŻARÓW MAZOWIECKI
PL
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