What are the characteristics of jade? There are jade and jade on the market. How do you distinguish it from jade?
Artificial jade, like artificial diamond, is a kind of natural gem product made by artificial simulation of natural gem. It has certain characteristics of natural gem. Emerald is based on the super bedrock rock are widely distributed, actinolite glaucophane schist and chlorite schist, high temperature and ultra high pressure on the geological environment in the formation of the process of imitation jade.
The synthesis of natural jadeite jade and the biggest difference is: good transparency, but there is no natural emerald green natural lump, but a fiber silk wadding and directional extension, there is a smooth casting surface cooling shrinkage concave. Finally, to illustrate that artificial jade is not a simple imitation of jade glass products. His process is complicated and costly, even far better than natural jade comes easily, so it is not a lot of fish on the market.
The first is to make amorphous jade glass material. The reagent and reagent of sodium aluminum silicate and silicate containing colouring ions, according to the composition of jadeite content, is placed in a crucible into the mixing and grinding after the vessel, and then placed in a muffle furnace crucible is heated to 1100 degrees Celsius, and constant temperature cooling after a few hours, they can get colored amorphous glass material the composition of jadeite jade. The second is made of crystal jade glass. The amorphous glass will jade colored pieces to more than 125 meshes (i.e. particle size less than 0.125 mm), 600 kg / cm on the embedded prototype, heating prefabricated 14X15 (mm) cylinder or 14X6 (mm) of the wafer; then the preformed cylinder or wafer in high-purity graphite crucible. Bake in the oven at 140 degrees Celsius for 24 hours or more; and then the pressure chamber six crucible into a compressor, the compressor start six top closure, in the long time, current power, pressure relief, can get the crystal jade glass. Synthetic emerald glass by X ray powder diffraction analysis, infrared absorption spectrum analysis, chemical composition analysis, hardness measurement, relative density (specific gravity), determination of refractive index determination, fluorescence analysis, and the data are basically consistent with natural jade.
