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About product and suppliers:
        Alibaba.com offers 77 opal stone slabs products. About 32% of these are artificial stone, 23% are granite, and 23% are marble. 

A wide variety of opal stone slabs options are available to you, such as free samples. 

There are 78 opal stone slabs suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Zimbabwe, which supply 82%, 10%, and 2% of opal stone slabs respectively. 

Opal stone slabs products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 6 with ISO9001, 5 with Other, and 4 with ISO14001 certification.