Ruby and Sapphire
No Thermal Treatment
No Indication of Heating
No evidence of heat treatment found in the specimen.
Heat Treatment Notations
H (Thermal Enhancement)
Enhanced by heat, no residues present.
H(a)
Heat enhancement with insignificant residues in fissures.
H(b)
Heat enhancement with minor residues in fissures.
H(Be)
Enhanced by heat and light elements (e.g., beryllium).
PHT (HPHT)
Enhanced by high pressure and high temperature.
SD (Surface Diffusion)
Color altered via surface diffusion techniques.
Lead/Bismuth
Residues of lead or bismuth-rich glass identified.
Emerald
Clarity Enhancement Grading (RESIN/OIL)
None
No clarity enhancement identified.
Insignificant
Very slight clarity enhancement identified.
Minor
Slight clarity enhancement identified.
Moderate
Moderate clarity enhancement; filler type mentioned if resin.
Jadeite
Enhancement Types
A-Jade
Natural Jadeite: No enhancement beyond traditional waxing.
B-Jade
Indication of bleaching and polymer impregnation.
C-Jade
Indication of dyeing (color enhancement).
B + C Jade
Indication of dyeing after bleaching and polymer impregnation.
Additional Treatments
Standard Findings
No Indication of Treatment
No evidence of treatment identified; the specimen shows no signs of artificial enhancement.
Common and Undetectable
Heat/Irradiation
Commonly accepted in spodumene, beryl, tanzanite, tourmaline, topaz, zircon, and quartz.
Paraiba-Type Tourmaline
Usually heated / Clarity Enhancement identified.
.png)
