Gemstone | Gems Benefits | Gemstone Powers - Chakrayog Jan. 2017 | Page 6
Amethyst – Heating can remove unwanted brownish inclusions in some amethysts or lighten the color of overly dark stones.
Ruby – Heating can remove purplish coloration rendering a more pure red color. The process can also remove“ silk”( minute needle – like inclusions)
HEAT TREATMENT
– the exposure of a gem to high temperatures for the purpose of altering its color and / or clarity.
Amethyst – Heating can remove unwanted brownish inclusions in some amethysts or lighten the color of overly dark stones.
Ruby – Heating can remove purplish coloration rendering a more pure red color. The process can also remove“ silk”( minute needle – like inclusions)
Pale sapphires that were once discarded in the mining process were treated to a desirable color of blue when heated in a controlled environment.