Identification for True or False Pearl
TiPs on choosing better Pearl
Maintenance for Pearl

 

Make friction with each other, The true Pearl results in acerbity with powder while the false will be somewhat smooth without powder;
The true Pearl feels cool and comfortable but the false doesn't;
Scratch with knife, Powder appears for true Pearl and remains good but false will peel off;
Gnaw with teeth slightly, True Pearl will be with coarse surface and astringent but the false will feel lubricous and with teeth dents or peeling off;

 

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