20251031-07 Low-priced "high-porcelain blue" hides a trick? A 20-year-old brand reveals the "layering technique" of turquoise, only dealing in raw ore, each piece comes with a national inspection certificate, buy with confidence.#FakeExposed #JewelryTurquoise #JewelrySelection #JewelryAvoidanceTips #JewelryIdentificationTechniques











































































































