Dumortierite

Sold Individually What is it: Dumortierite is an aluminium boro-silicate mineral. When dumortierite crystallizes, it forms fibrous, slender prismatic crystals. The crystals vary in color from brown, blue, and green and even...

Sold Individually What is it: Dumortierite is an aluminium boro-silicate mineral. When dumortierite crystallizes, it forms fibrous, slender prismatic crystals. The crystals vary in color from brown, blue, and green and even...