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Colour
  • The colour of alexandrite appears different depending on the light it is viewed in
  • Daylight: Yellowish, brownish, greyish or bluish green
  • Incandescent light: Orangy or brownish red to purplish red
  • The best stones are sometimes loosely described as "an emerald by day and an amethyst at night"
Clarity
  • The alexandrite variety contains gems that vary from transparent to semi transparent
  • In terms of clarity, alexandrite is comparable to ruby.
  • Clean faceted stones in sizes above one carat are rare and above 2–3 carats are extremely rare
  • Common inclusions are silk like rutile needles


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TREATMENTS
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CUT
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  • Alexandrite is generally never treated to enhance its color or diminuish the appearance of inclusions
  • alexandrites are found in a variety of shapes and cutting styles. Ovals are cushions are the most common



Care
  • Alexandrite is extremely resilient for use in jewellery and can be worn daily under normal circumstances
  • Most alexandrite can be cleaned in an ultrasonic cleaner and certainly with a damp cloth and warm soapy water

Alexandrite is one of the world‘s most expensive gems, with prices similar to those fetched by fine ruby or emerald because of their rarity and their exotic, phenomenal qualities. A combination of alexandrite and "cat's eye" is the most desirable.

A premium is placed on gems that contain strong colour change qualities, since with alexandrites a predominantly "muddy" mix of greens, browns and reds tends to be the norm, resulting in a vague colour change.

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