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| #8944600 in Books | Spencer L J | 2008-11-04 | Original language:English | PDF # 1 | 8.50 x.75 x5.51l,1.08 | File type: PDF | 268 pages | A Key to Precious Stones|
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 ...
You can specify the type of files you want, for your gadget.A Key to Precious Stones | L. J. Spencer. I really enjoyed this book and have already told so many people about it!
