Blue Opal: the mesmerizing color of opal

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Blue Opal the mesmerizing color of opal
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• Blue opal is associated with peace. It has
  relaxing powers which are helpful to calm ones
  emotions.
• The chemical structure of opal is similar to
  quartz however the main difference in opal
  formation is that it is made from silica
  containing water in its mineral structure. Opals
  contain small amounts of silica sphere which are
  arranged in regular patterns. As we all know opal
  is a colorful gem the formation of color in it is
  due to the diffraction of white light that is
  broken down and gives all the colors of the
  rainbow.

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• The color of the opal is also controlled by its
  size and spacing. The specialty about this gem
  stone is that it gives a unique color at
  different angles.
• In blue opal one can see the formation of color
  from blue to bluish green and it is similar to
  the color of the Caribbean Sea. However in the
  dark illusion of blue opal there is a huge
  difference in the intensity of color and it
  varies in every sample.

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Where they mostly found?

• Australia is the main producer of opals and the
  town of Cobber Pedy in South Australia is the
  main source where opals having dark background
  color like black, dark gray and blue are found.
  Along with Cobber Pedy, lightening town in New
  South Wales is the region where Blue opals are
  found.

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Interesting facts about blue opal

• Spiritually it is believed that blue opal is a
  rich source of healing. It is mostly recommended
  to those people who are in stress.

• It is believed that Blue opal purifies all the
  negative feelings. So it is helpful to overcome
  anxiety and fear and gives strength to move on.

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• Blue opal is helpful to unleash the inner
  darkness and to buildup self confidence.
• Blue opal is also helpful to cure physical
  illness for example to heal muscle swelling, to
  regulate metabolism system, brain and sleeping
  disorder. It is also believed that after wearing
  blue opals one can get rid of weight problem as
  this stone has few miraculous powers which will
  help to reduce chronic fatigue and get awesome
  results in terms of weight loss.

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How to evaluate opal?

• As opal is a colorful gem stone hence its value
  increases and decreases according to its color
  for example black and blue opal is more precious
  than other colors. So while buying this precious
  stone it becomes important to evaluate them
  properly. There are certain factors that
  everyone should take care.

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• Gems body tones
• Brightness
• The Intensity of colors
• Different angle projection (whether they appear
  dull)
• Check whether the stone is flat or gives a round
  dome shape on its top.
• Size and shape plays an important role while
  selecting a gem
• And the last one - Its cutting style, what is the
  shape of the stone

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• Opal jewelry is one of the most delicate
  gemstones hence it demands a little extra care.
  Do not expose your opal jewelry to extreme
  temperatures and never use chemicals to wash
  them. Always use a soft brush and soft cloth to
  clean your opal jewelry.