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Reddish Tint can be naturally done with heat treatment in the Earth?

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Two Elestial quartz crystals with reddish / orange citrine? naturally heat treated or done by man? 
  

 

 
  
  

 

asked May 9, 2015 by wenwen9 (280 points)

1 Answer

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The reddish tint in your case looks natural. Quartz from many localities can have reddish or yellowish color from a coating or inclusions of iron oxide staining.
answered May 13, 2015 by hershel (46,480 points)

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