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Formación y cursos de joyas y piedras preciosas
Guia de joyeria con Gemas

Jewelry Guide to Gemstones

Manual initiation into the wide world of gemstones and semiprecious stones

  • The Gemstone

  • What is a Gem?

  • The Origin of the concepts of jewels

  • How Gems are formed from minerals

  • The formation of organic gems

  • Crystals, crystalisation and the size of gems

  • The size of the gem

  • Types of Jewlery

  • When a stone is a gem?

  • Synthetic Gemstones



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