Natural Crystal Glasses

Natural Crystal Smokey Quartz Glasses Wearing crystal glasses has a higher UV transmission rate compared to wearing other glasses. However, wearing them, they can still intercept 10% of the UV rays. Without it, it doesn't intercept at all. Crystal is hard, brittle, not easy to grind, difficult to process, and low production, making crystal glasses expensive. Better transparency, slightly higher clarity, fine and hard texture, not easily abraded by wind and sand.