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Presentation. Vypracoval: Adam Bábík. Silicon dioxide. SiO 2. is one of the most common chemical compounds silica crystals are found in the nature in three forms, the most common form si quartz pure silica is colorless or white

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  1. Presentation Vypracoval: Adam Bábík

  2. Silicon dioxide

  3. SiO2 • is one of the most common chemical compounds • silica crystals are found in the nature in three forms, the most common form si quartz • pure silica is colorless or white • it is widely and abundently distributed on the Earth in the pure state or in the form of silicates • it has many important uses in various branches of industry

  4. Quartz • is most common form of silicon dioxide • we may found it in sand, rocks, clay and granite

  5. Silicates • silicates are compounds of Silicon and Oxygen combined with one or more metal ions,for example by Iron, Calcium or Magnesium • most of minerals are formed from silica, like agate, amethyst, chalcedony, jasper, onyx, crystalline, jadeit, soapstone, topaz, zircon etc. • silicates are divided to many categories: neosilicates, sorosilicates, cyklosilicates, inosilicates, phyllosilicates and tectosilicates

  6. Jadeit Topaz Soapstone Zircon Jasper Quartz

  7. Applications + products • silica is used ceramic material • it si commonly used like filler for paints, plastics, adhesives and rubber • silica is raw material for the production of glass,for windows, bottles, jars, lights bulbs and like plate glass • it withstands sudden changes of temperature, and then it can be used in parts, which are subjected to wide ranges of heat and cold

  8. References: • www.google.com • www.mineraly.net • www.wildaboutrocks.com • www.azom.com

  9. Thanks for Your attention!!!

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