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Opal

Published on Dec 01, 2015

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PRESENTATION OUTLINE

OPAL

Photo by Ben McLeod

MYTHS

  • Bad luck
  • See into the future
  • Healing gem

SYMBOLIZIM

  • October birthstone
  • 15 years of marriage
  • Hope and purity

Mythologies

  • Tears of Zeus and Poseidon
  • Romans: "Queen of Gemstones"
  • Lady Hermoine died from opals bad luck
Photo by MAURO CATEB

COLORS

  • Black, crystal, milk, white

UNDERLYING COLORS AND VALUE

  • Oranges, blues yellow and purples
  • More colors higher value
  • Fire opal is rarest
Photo by cobalt123

USES

  • Jewerly
  • Loose opals
  • Ornaments
  • Collectables
Photo by cobalt123

HOW IS IT FORMED

  • Water picks up silica
  • Falls into cracks
  • Water evaportes
  • Silica deposites left behind

FUN FACTS

  • Once more precious than diamond
  • Opal market fell after opal got bad luck
  • Australia is the main opal source
Photo by cobalt123

BIBLIOGRAPHY

  • Gemstones. N.p., n.d. Web. "Gem by Gem." Gemstone.org. N.p., n.d. Web. 22 Sept. 2014. .
  • Gemstones. N.p., n.d. "Gem by Gem." Gemstone.org. N.p., n.d. Web. 22 Sept. 2014. .
  • N.p., n.d. Web. .
  • "Opal." Opalminded.com, n.d. Web. 22 Sept. 2014. .