Rocks & Minerals - PowerPoint & Study Guide: The Gemstone, Ruby

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38.92 MB   |   28 pages

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Come on a treasure hunt of knowledge and learn about one of nature's most intriguing gemstones, rubies! Rubies are a pink to blood colored corundum mineral variety colored mainly by the mineral chromium. Rubies are more rare and costly than diamond per carat. They can fetch prices up to millions of dollars.

There are many famous rubies. The famed De Long Star Ruby weighs 100 carats exhibits 6-ray star asterism and is found at the American Museum of Natural History in New York. Edward’s Ruby, weighing 167 carats is displayed at the British Museum of Natural History in London. The "Rosser Reeves Star Ruby", weighing 138.7 carats is at the Smithsonian Institution in Washington.

Rubies have adorned the crowns, scepters and tiaras of royalty for generations. Currently, the most valuable and sought after gem quality rubies are mined in Burma.

This 28-page BUNDLE include a 13-page PowerPoint and 15-page accompanying study guide. The activity guide includes the following:

*PowerPoint Interaction Questions
*Ruby Projects and Activity Ideas
*Web Resources
*Natureglo’s eScience optional sttudent project rubric
*Ruby Journal Entry template
*PowerPoint Interaction Answer Key
Total Pages
28
Answer Key
Included
Teaching Duration
90 Minutes

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Rocks & Minerals - PowerPoint & Study Guide: The Gemstone, Ruby
Rocks & Minerals - PowerPoint & Study Guide: The Gemstone, Ruby
Rocks & Minerals - PowerPoint & Study Guide: The Gemstone, Ruby
Rocks & Minerals - PowerPoint & Study Guide: The Gemstone, Ruby
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