Gabbro 10 mm

Gabbro 10 mm. hole 0,9-1 mm. Polished ball.
Gabbro (gabbro, gabbro) is a uniform, granular natural rock. It includes plagioclase and monoclinic pyroxene, more often dialage. The color scheme of gabbro is represented quite narrowly-gray and black, the stone invariably attracts attention with its unusual and interesting appearance.