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A Hand-book of Precious Stones(Illustrated Edition). E-book. Formato PDF

Un ebook di  Meyer D. Rothschild  edito da iOnlineShopping.com, 2019

The object of this little book is to convey to the merchant, the workman, and the amateur, in a condensed and accurate form, information concerning the various properties of precious stones. Besides drawing freely on a number of authorities, the author has used his practical experience to indicate such tests as an amateur can readily make. Specific gravity, hardness, and dichroism are tests which are easily mastered, and a thorough understanding of these three properties will assist in classifying doubtful gems.

Such stones have been dealt with principally as are used in commerce for jewelry and ornamental purposes.

The attention of the writer has often been called to the general lack of knowledge among the jewelers regarding precious stones other than diamonds, rubies, sapphires, and emeralds.

As there are so many other beautiful and rare gems which nature yields to man, and which are worthy of the jewelers’ art, the author trusts that his book will awaken a new interest in the fascinating study of mineralogy as applied to precious stones, and that at some future day he may feel encouraged to enlarge upon this treatise.

Informazioni bibliografiche

  • Titolo: A Hand-book of Precious Stones(Illustrated Edition). E-book. Formato PDF
  • AutoreMeyer D. Rothschild
  • Editore: iOnlineShopping.com
  • Data di Pubblicazione: 21 Ottobre '19
  • Formato: PDF
  • Protezione: nessuna
  • ISBN-13: 9788835321934
Dello stesso autore: Meyer D. Rothschild
A Hand-book of Precious Stones(Illustrated Edition). E-book. Formato PDF ebook di Meyer D. Rothschild
A Hand-book of Precious Stones(Illustrated Edition). E-book. Formato PDF
Meyer D. Rothschild 
edizioni iOnlineShopping.com
download immediato
€ 4,99
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