Polished Rare Blue Dumortierite Bowl With Golden Biotite Mica x 1 From Madagascar Chatoyant Size = 163 x 90

Size = 163 x 90 x 120 mm

Very similar to Brandberg Quartz

This material recently hit the market again but prior to this was absent for the better part of 15 years

Lepidolite being made in Madagascar which has some crazy needle-like white features in the matrix

Size = 64 - 91 mm

Polished Rare Blue Dumortierite Bowl With Golden Biotite Mica x 1 From Madagascar Chatoyant Size = 163 x 90PRODUCT INFORMATION General Description Dumortierite is a fibrous variably coloured Aluminium Boro Silicate mineral, AlBO(SiO)O. Dumortierite crystallizes in the orthorhombic system typically forming fibrous aggregates of slender prismatic crystals. The crystals are vitreous and vary in colour from brown, blue, and green to more rare violet and pink. Madagascar yields very small deposits of this material which then gets beautifully polished . The