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  1. 1. Amethyst By Josiah, Leith & Hadley
  2. 2. OUR GROUP!
  3. 3. Amethyst is formed in silica-rich liquids deposited in gas cavities (geodes) in lava. When conditions permit, it forms hexagonal crystals. Crystals are often not well developed. How is amethyst formed?
  4. 4. Information When heated Amethyst loses its colour, so it is best to keep these crystals from the sun!! The purple color of Amethyst will change to yellow when it’s in the sun.
  5. 5. <ul><li>Amethyst changes colour when you put it in the sun. </li></ul><ul><li>Amethyst is made in lava and you can get it in rocks . </li></ul>What have we learnt?
  6. 6. Social action We will share this information with jewellers, people that are interested in amethyst, miners, and jewel cutters .
  7. 7. Photos