1 / 6

Popular Gemstones

Popular Gemstones. Pat Semmes. Introduction. Made of Minerals One type of mineral can form several types of gemstones Some are rare, other common. Found Worldwide One type of gemstone can have several names. Quartz. Occurs in crystals Very common mineral Examples: amethyst, citrine.

baird
Télécharger la présentation

Popular Gemstones

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Popular Gemstones Pat Semmes

  2. Introduction • Made of Minerals • One type of mineral can form several types of gemstones • Some are rare, other common • Found Worldwide • One type of gemstone can have several names.

  3. Quartz • Occurs in crystals • Very common mineral • Examples: amethyst, citrine

  4. Corundum • Aluminum oxide material • Found in USA, India, South Africa • Examples: ruby, sapphire

  5. Summary

More Related