Polished Black Basalt Display Crystals x 6 From Madagascar Russia Size = 93 - 157

Size = 93 - 157 mm

iron oxides and hydroxides are commonly encountered

Dumortierite crystallizes in the orthorhombic system typically forming fibrous aggregates of slender prismatic crystals

making it increasingly important to support mining efforts by acquiring available specimens

Size = 73 - 110  mm

Polished Black Basalt Display Crystals x 6 From Madagascar Russia Size = 93 - 157A NOTE FROM NICK A large flat of 6 beautifully polished black Basalt standing display crystals. PRODUCT DESCRIPTION Basalt from Madagascar: A Volcanic Wonder Basalt from Madagascar is a natural stone formed from volcanic lava that has cooled and solidified over millions of years. Its deep, rich black or dark grey color, often dotted with subtle mineral inclusions, gives it a sleek and sophisticated look when polished to a high sheen. The smooth