Polished Large Dumortierite Standing Display Piece x 1 From Madagascar China Size = 34 - 103

Size = 34 - 103 mm

Size =  102 - 118 mm

and greens—due to the interference of light within its layered structure

Mixed Natural Mineral Specimens from Southern Africa

Size = 71 - 72 mm

Polished Large Dumortierite Standing Display Piece x 1 From Madagascar China Size = 34 - 103A NOTE FROM NICK A large 150 x 105 x 54 mm sized expertly polished highly selected rare Dumortierite standing display piece with warm dark blue and white colour. This material is super rare I have only seen this twice in over 30 years. PRODUCT DESCRIPTION Dumortierite from Madagascar Dumortierite from Madagascar, a fibrous aluminium borosilicate mineral known for its blue hues, ranging from sky blue to deep sapphire, with occasional violet or green