Escucha y lee

Descubre un mundo infinito de historias

  • Lee y escucha todo lo que quieras
  • Más de 500 000 títulos
  • Títulos exclusivos + Storytel Originals
  • 14 días de prueba gratis, luego $24,900 COP/al mes
  • Cancela cuando quieras
Descarga la app
CO -Device Banner Block 894x1036

Practical Gemmology - A Study of the Identification of Gem-Stones, Pearls and Ornamental Minerals

Idioma
Inglés
Format
Categoría

Historia

This vintage book contains an interesting and practical study of the identification of gemstones, pearls, and ornamental minerals. A comprehensive and profusely-illustrated handbook for both novice and experienced practitioners, this volume is not to be missed by anyone with a keen interest in the subject. The chapters of this book include: “Crystallography”, “Physical Properties”, “Specific Gravity”, “Light”, “Measurement of Refractive Index”, “Colour in Gem Distinction”, “The Microscope”, “The Gem Species”, “Synthetic Gems”, “Imitation Gems”, “Composite Stones and Artificially Induced Colour”, etcetera. This book is being republished now in an affordable, modern, high quality edition - complete with a specially commissioned new introduction on gemmology.

© 2013 Mcintosh Press (eBook ): 9781447498841

Fecha de lanzamiento

eBook : 18 de abril de 2013