Tabela de Tratamento

TRATAMENTOSYMBOLS FOR SPECIFC FORMS OF ENHANCEMENT
(N) Natural(N) Not Enhanced, No Treatments: No modification (or currently has no known modification process).
(B) Branqueamento
(B) Bleaching: The use of heat, light and/or other agents to lighten or remove a gemstone’s color.
(C) Tratamento com película
(C) Coating: The use of such surface enhancements as lacquering, enameling, inking, foiling or sputtering of films to improve appearance, provide color or add other special effects.
(F) Preenchimento
(F) Filling: The filling of surface-breaking cavities or fissures with colorless glass, plastic, solidified borax or similar substances. This process may improve durability and/or appearance, and/or to add weight.
(H) Tratamento Térmico
(H) Heating: The use of heat to effect desired alteration of color, clarity and/or phenomena. If residue of foreign substances in open fissures is visible under properly illuminated 10X magnification, H F should be used.
(HP) Tratamento Térmico com Pressão
(HP) Heating and Pressure: The use of heat and pressure combined to effect desired alterations of color, clarity and/or phenomena.
(I) Impregnação
(I) Impregnation: The impregnation of a porous gemstone with a colorless agent (usually plastic) to improve durability and appearance.
(O) Impregnação com óleo/resina
(O) Oiling/Resin Infusion: The filling of surface-breaking fissures with colorless oil, wax, resin or other colorless substances, except glass or plastic, to improve the gemstone’s appearance.
(R ) Irradiação
(R) Irradiation: The use of neutrons, gamma rays or beta particles (high energy electrons) to alter a gemstone’s color. The irradiation may be followed by a heating process.
(U) Difusão
(U) Diffusion: The use of chemicals in conjunction with high temperatures to produce ARTIFICIAL color change and/or asterism-producing inclusions.
(H+O) Tratamento Térmico + Impregnação com Óleo ou Resina
(R+H) Irradiação + Tratamento Térmico
(R+O) Irradiação + Impregnação com Óleo ou Resina
(D) Tingimento
(D) Dyeing: The introduction of coloring matter into a gemstone to give it new color, intensify present color or improve color uniformity.
(L) Laser
(L) Lasering: The use of a laser and chemicals to reach and alter inclusions in gemstones, usually diamonds.
D Dyeing: The introduction of coloring matter into a gemstone to give it new color, intensify present color or improve color uniformity.
TRATAMENTOS