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| | | Seller Promotion | | 2015-10-01 11:04 --2015-12-31 23:59 deadline |
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Mineral Name: Red Jasper Pen Origin: Guangxi Longsheng Numbering:rjd08 Size: 14.0 * 4.0 * 4.0cm Weight: 504.0g Price: 1498.0 yuan Very important:Please note that size, you can take a ruler under their own gestures Kazakhstan. Macro shooting object will appear larger than itself! Red jasper native veins in Longsheng County of Weiqing Ridge Mountains, west slope area; red jasper comprehensive mineral composition of red jasper, quartz-based, including some high iron and low-cost iron, after testing, their chemical composition silicon dioxide (SiO2) 70% -80%; iron oxide (Fe2O3 FeO) 10% -15%; other ingredients (e.g. Al2O3, MnO2, K2O, Na2O, CaO, etc.) 5% -8%; the major rock composition of colored siliceous minerals such as chalcedony, quartz, particles small, compact structure, a refractive index of 1.54, Mohs hardness of 6.5-7.0, the relative density of 2.7-2.95 g / cc. The advantages: because it is the high price of iron oxide color, so in air oxidizing environment is never discolored. It is much more stable than soapstone. Also mainly siliceous minerals, hardness, difficult to weathering, easy to wear, not afraid of acid erosion. It calls attention to: natural stone is not perfect, there will be a small pit red jasper, trachoma and the like, multi-angle picture taken in kind, a view of a thing, carefully look at the picture if there is a defect you can not accept, unmissable clear. *** All pictures are taken in kind, please rest assured purchase ***
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