Even so, colour zoning is usually quite useful for some stones, like tourmaline, when two or maybe more unique colors are Obviously evident. We use cookies on our Site to provde the most applicable practical experience by remembering your preferences and repeat visits. By clicking “Acknowledge All”, you consent to https://paxtonnvadi.ivasdesign.com/37534322/an-unbiased-view-of-rough-diamonds-legit-dealer