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Dumortierite


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Dumortierite is a quite rare mineral from mines in Bahia, Brazil. These minerals are noted for their dark blue, to blue-grey colour, which makes it popular in creative jewellery and crafts. If we look at its chemical structure, dumortierite is aluminium borosilicate.

About the product: Our loose strings are sold individually – each is 40 cm long. The products are packed in standard shipping packages.