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Dumortierite is used to manufacture high-grade porcelain. It is often used as a substitute for lapis lazuli, due to their striking similarities and dumortierite being 1/2 or 1/3 of the cost! Dumortierite Slab.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.