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About product and suppliers:
        Alibaba.com offers 1,350 cz rough products. About 91% of these are loose gemstone, 1% are silver jewelry, and 1% are copper alloy jewelry. 

A wide variety of cz rough options are available to you, such as zircon, amethyst, and opal. You can also choose from color play or fire, iridescence/iridescent, and star. As well as from synthetic (lab created), mineral gemstones, and organic gemstones. And whether cz rough is heat, waxing/oiling, or radiation. 

There are 1,350 cz rough suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cz rough respectively. 

Cz rough products are most popular in Western Europe, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 528 with Other, 49 with ISO9001 certification.