ZH Gems - Turquoise Stone Suppliers and Wholesale Turquoise Jewelry Gemstone Company Since 2010 
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Old Vs New Turquoise Rough: Difference In Patina Change
2026-08-31
Even for raw turquoise, old‑mine and new‑mine materials show obvious difference in patina changing speed, which confuses many collectors. Formed ages ago, old‑mine turquoise owns compact and stable mineral structure with fine even pores. Sweat and grease seep in gently, bringing mild color shift, transparent patina and durable jade‑like texture. Some new‑mine stones have short formation period and uneven pores. Though some change color fast, they are prone to uneven patina and recurring whitening. Color‑changing speed mainly depends on inner pore structure instead of mine origin. Fast color shift does not equal high quality, for porous fast‑changing stones usually lack long‑term stability. Slow and steady maintenance creates premium patina. Stay rational and avoid the misconception that faster change means better stone.
#OldNewTurquoise #TurquoisePatina #CollectingPitfall #TurquoiseCare #LongFengXu
#OldNewTurquoise #TurquoisePatina #CollectingPitfall #TurquoiseCare #LongFengXu
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