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About product and suppliers:
        Alibaba.com offers 81 opal stone slabs products. About 33% of these are artificial stone, 28% are marble, and 23% are granite. 

A wide variety of opal stone slabs options are available to you, such as big slab, cut-to-size, and thin slab. You can also choose from artificial quartz, solid surface, and crystallized glass stone. As well as from free samples. 

There are 82 opal stone slabs suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Zimbabwe, which supply 82%, 9%, and 2% of opal stone slabs respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 12 with ISO9001, 5 with Other, and 4 with ISO14001 certification.