Enhancements Techniques for Topaz
|
Blue
|
Irradiation
Heating
*Usually done
|
Excellent stability
Use normal care
|
Yellow/Orange
|
Irradiation to
intensify color
*used occasionally
|
Stability variable
Specific care required:
avoid sunlight
|
Pink/Red
|
Heating of
chrome bearing
pinkish brown to
orange stones
*Usually done
|
Excellent stability
Normal care
|
Brown
|
No enhancement
|
Special care
May fade when exposed to sunlight
|
Green
|
Usually
*Poor Stability
|
Extra special care needed.
Will fade in the sunlight.
|