IDENTIFING METHOD FOR RHODOLITE GARNET BY FT-IR

摘要

garnet gems are sold in the market is Rhodolite garnet red, purple-party (Rhodolite Garnet), dark red - Red is going to die conceivably bit garnet (Almandite Garnet), red is pyrope garnet (Pyrope Garnet), Orange has been classified as a spare Sar tight garnet (Spessartite Garnet). Pyrope garnet (Pyrope Garnet), Spain Sar tight garnet (Spessartite Garnet), conceivably die-bit garnet (Almandite Garnet) color, refractive index, spectral minutes separated the light-examination one can conceivably die-bit garnet (Almandite Garnet) and Rhodolite Garnet (Rhodolite Garnet) This is not easy to differentiate colors and refractive index substantially similar to. Because of these problems Rhodolite Garnet (Rhodolite Garnet) and the purple line conceivably die-bit garnet (Almandite Garnet) are used interchangeably in the jewelry market today. ; clear distinction of the present invention is Rhodolite Garnet that discriminate because of a similar color and nested index of refraction in the jewelry market is very difficult to mix distribution (Rhodolite Garnet) and the purple line conceivably die-bit garnet (Almandite Garnet) relates to a novel method for differential diagnosis. ; conceivably die bit by using infrared spectroscopy for the invention garnet (Almandite Garnet) and the experimental results of Rhodolite Garnet Rhodolite Garnet against (Rhodolite Garnet) (Rhodolite Garnet) is 640 cm ^{-1 single strong absorption peaks were observed in} , another 3552 cm ^-1 in the characteristic absorption peaks were found. The absorption peak is conceivably die-bit brown garnet (Almandite Garnet) or purple conceivably die-bit garnet (Almandite Garnet) Not observed in this standard as clearly as color or refractive index similar to the purple Rhodolite Garnet (Rhodolite Garnet), brown conceivably die bit garnet (Almandite Garnet) and purple can conceivably die-bit differential garnet (Almandite Garnet).