Gemstone treatment
Heat Treatment, Beryl
Yellow, orange, or greenish components may be reduced, producing cleaner blue, pink, or golden colors. Microscopic evidence is usually limited.
01
What to look for
Yellow, orange, or greenish components may be reduced, producing cleaner blue, pink, or golden colors. Microscopic evidence is usually limited.
02
What it means
Heating is common in several beryl varieties to improve or stabilize color. It is usually stable but should be disclosed when known.
03
Expert move
For aquamarine, pure blue commercial stones are often heated. For morganite, heating can reduce orange/yellow components and improve pink.