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Q.

What is meant by
contra luz opal ?

Tags: contra luz
Asked by sudhakar kuruvada, 11 May '13 06:18 am
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Answers (3)

 
1.

Contra luz opals are transparent opals that show a brilliant play of iridescence only when light shines through the stone.
When the light is on the same side as the viewer, the iridescence is not readily seen (this quality makes it difficult to design jewelry using these beautiful gemstones).
Contra luz means "against the light."
Answered by Avantika, 11 May '13 06:25 am

 
  
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2.

A precious opal where the play of colours is only visible when held up to the light.
Answered by saranathan Narasimhan, 12 May '13 03:02 am

 
  
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3.

Contra luz opals are transparent opals that show a brilliant play of iridescence only when light shines through the stone
Answered by rajan, 11 May '13 08:09 am

 
  
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