Pearl ring identification

Update:04-08-2016
Summary:

1, friction: two pearl gently rub each other, there wil […]

1, friction: two pearl gently rub each other, there will be a rough feeling, while the fake pearl is sliding feeling.
2, drilling: Observe clear and clear drilling, fake beads drilling pigment accumulation.
3, color: Each pearl color is slightly different, in addition to its own color but also with a color, but the color of each one of the fake beads are the same, and only the color, no color.
4, cold feeling: pearl on the hands of a cold feeling, there is no fake beads.