FOR RUBY and SAPPHIRE:
The enhancement of Rubies and Sapphires are mentioned under comments as:
- No Indication of Heating: No altered inclusions are present that would indicate that a heat enhancement process was applied.
- HT(a) : Enhanced by heat (no residues present in Fissure and Cavities).
- HT(b) : Enhanced by heat with minor/moderate residues.
- HT(c) : Enhanced by heat with significant residues.
- HT(Pb): Enhanced by heat with lead and/or bismuth-rich glass filling in Fissures / Cavities.
- HT(Be): Enhanced by heat with a chemical element from external source, e.g. Beryllium.
FOR EMERALD:
The grading of clarity enhancement of Emerald is specified as:
- No-Oil
- Insignificant
- Minor
- Moderate (filler mentioned if resin)
- Significant (filler mentioned if resin)
FOR JADEITE:
- Type A: No indication of enhancement beyond traditional and basic waxing.
- Type B: Indication of bleaching and subsequent polymer impregnation.
- Type C: Indication of dyeing.
NOTE:
Other treatments detected will be specified separately in the COMMENT section.