38ct Kashmir Bipyramid Low Heat
38ct Kashmir Sapphire Crystal Rough

38ct Sapphire Specimen (H)

Regular price$900.00
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An rare 'old mine' bipyramid shape mineral specimen from Kashmir, India.  The color is a soft medium 'open' blue after low temperature treatment.

The majority (95%+) of ruby & sapphire in the world are thermally enhanced.  The heat treatment enhances the color permanently by reducing the iron which couples with titanium creating an intervalent charge transfer, thus increasing the blue color.

These are the first heated Kashmir sapphire in the world because the rough is not available and mining has mostly stopped in the past 100 years.  

Details:
Item# KB1502
Weight: 38 ct
Shape: Bipyramid
Dimensions (L x W x H) 32 x 15 x 12.6 (mm)
Cutting Style: Rough Uncut


Color: Blue
Saturation: Light to Medium
Tone: Light  to Medium


Treatments: Heat
Lab Report(s): Guarantee Kashmir Origin
Lab Report Remarks:


 Price:   $900