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Ed Bristol
  

Untreated Color Change Tourmaline 1.07

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Price:
$1,255.00
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1.08 Carat
CC: Green / Red
Medium Dark 80
Very Lightly Included 

 

Details:

GRADING REPORT CCTO1075

 

-          Identification: Color Change Tourmaline

-          Carat: 1.075

-          Shape: Oval

-          Measures: 5.32x7.20x3.95 (millimeter)

-          Color Grade: Very Good

-          Tone: Medium Dark 80

-          Color Zoning: None

-          Clarity: Very Lightly Included (silk?)

-          Cutting Grade: Good

o       Brilliancy: 30%

o       Depth: 74%

-          Origin: Umba River, Tanzania

-          Treatment: None

 

Certificate No: 286767 (see more images)

 

Overall Grade: Good

 

Comment: Deep duck green at day light, changing to an orange red at night, and in some light angle glowing with a fiery blood red. Not to be confused with bi-colored stones. This is real color changer. Quite a catch for the collector of rare earths, but also a one-time-only opportunity for jewelry with a color-change gemstone. Green-Red changer tourmaline is even rarer than Alexandrite (though less expensive because less famous).

 

 

 

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