The factors that affect the purity of jade jewelry include crack, macula and white cotton and so on.
Classification Benchmark
Level 1 – Can’t see any crack and grey black wire magnifying 10 times, ha1ve white cotton and macula at times in the inconspicuous place.
Level 2 – Can’t see any crack, but little wee white cotton, macula and grey black wire.
Level 3 – Can’t see any crack by eye-watching, but few white cotton, macula and property; few cracks magnifying 10 times
Level 4 – Can see by eyes few cracks and not few white cotton, macula, grey black wire and property.
35~25mmx6 Burma Red Jade Leaf And Round Style Necklace
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