Polished Rare Dumortierite Galets x 24 From Madagascar Crystalline while the other half retains

while the other half retains its natural texture

Size = 50 - 40 - 27 mm

Polished Multi Mineral Crystals

often 5–25 mm

is a tri-color concretion comprised of Aragonite (brown)

Polished Rare Dumortierite Galets x 24 From Madagascar Crystalline while the other half retainsA NOTE FROM NICK A large flat of 24 polished highly selected rare Dumortierite galets with a warm dark blue 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 aluminum borosilicate mineral known for its blue hues, ranging from sky blue to deep sapphire, with occasional violet or green tinges. Sourced primarily from regions like the