Peridot
No indication of heating.
No gemological constraints (for instance no altered inclusions) are present which would indicate that a heat enhancement process was applied.
No indication of heating ; (Oil).
(Oil). No gemological constraints (for instance no altered inclusions) are present which would indicate that a heat enhancement process was applied. In some certain conditions may modify some internal characteristics of fissure filling by oil.
- Insignificant.
- Minor.
Indication of heating ; (H)
(H). In some certain heating conditions may not modify some internal characteristics or other features, if spectral data indicate heating has taken place (no residues present).
Other possible treatments for Peridot
Coating (C)
Any Peridot that show evidence of applying artificial external surface color coating in a thin layer process was applied.
Dyeing (D)
Any Peridot that show evidence of color is modified by dyed or colored substance process was applied.
Irradiation (I)
Any Peridot that show evidence of nuclear bombardment; produced by irradiation, the process of which is usually stable.