Polished Black Basalt Display Crystals x 12 From Madagascar Orthorhombic This unique mineral is typically

This unique mineral is typically opaque with a glassy to waxy lustre and is prized for its rich color

Size = 105 - 176 mm | 4

Known for its rarity

Size = 84 - 90 mm

Size = 86 - 197 mm

Polished Black Basalt Display Crystals x 12 From Madagascar Orthorhombic This unique mineral is typicallyA NOTE FROM NICK A large flat of 12 polished nice shiny Black Basalt standing display crystals. A grade beauties! 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.