Archiwa tagu: high tech ceramic rings

high tech ceramic rings How to distinguish the jade pattern and crack on the jade bracelet?

Jade merchants have a catch phrase: “No pattern can’t make jade.” Na przykład, when you find patterns on a jade bracelet, the boss will use this mantra to convince you. W rzeczywistości, what the boss said is not unreasonable. Na przykład, when using a 10x magnifying glass or observing a jade bracelet with the naked […]