Hetian jade is the world’s recognized king of nephrite, mainly white jade, topaz, black jade, jasper, green jade, and so on these colors.
Jasper is a translucent to nearly opaque chalcedony, can be a variety of colors, such as red, yellow, brown, green, gray blue and other colors, chemical composition of microcrystalline SiO2, hardness of nearly 7.
Can be used to make ornamental stones or carving crafts.
The other refers to translucent spinach green nephrite, color and structure is not very uniform, sometimes containing epidote, magnetite formed bands and chromophore.
The mineral composition of nephrite to tremolite – Yang stone, chemical composition of calcium, magnesium, iron silicate, hardness 6 ~ 6.5.
Fine texture, grease or waxy gloss, with a slippery feeling.
It is often used to make utensils or crafts.
Chinese jade craft is used to the nephrite produced abroad (the vast majority is green) as jasper.
Jasper IS A VARIETY OF HETIAN JADE, in China to the southern edge of the Junggar Basin in the country of the largest production of the country’s Marna SI County, so jasper is also known as “MARNA Si Yu”.
Jasper is used to make utensils, and some are used to produce jewelry and jade. It is always a good choice for jade carving arts and crafts.
The texture of jasper is as fine as dark green condensate, with few flaws.
In mid qing dynasty emperor qianlong, jasper to become commonly used jade palace, they are also good at drawing, painting, sculpture, arts and crafts collection lines to Yin and Yang, the flat convex, implicit, hollow out and other traditional craftsmanship, and with flexible and attracted foreign art influence, creation and development of the jade craft of manufacturability, adornment sex is extremely strong.
It has distinct characteristics of The Times and high artistic attainments.
In addition to jasper, topaz color such as chicken oil is a good product, purple jade color is usually light powder, black jade is the jade of more black spots on jasper, blue jade is pale blue white jade.
White jade is usually the best.
