SatinCrystals Smoky Quartz Ball Premium Deep Grey Clear Rainbows Sphere Gazing Protective Stone A+ Brazil P05 (1.8 Inches) Limited Edition. Receive one unique stone from an elite hand selected Satin Crystals collection. This attractive Brazilian Smoky Quartz has a handsome deep grey color and excellent clarity that reveals rainbows and inclusions within. The stone is polished to a shine whilst retaining natural rugged lines and divots along the surface. Smoky Quartz clears negativity and emotional blockages. It keeps you and your space protected. It has all the power of Quartz.