How to test Quartz – Is your Quartz nail legit? Cannabis Info, Vaping Posted on March 22, 2018 by BossHog How to test Quartz – Is your Quartz nail real? The Quartz Quality Check Quartz aka Silicone Dioxide if real will not crack or explode when heated and dropped into cold water. Tags: best quartz nailHow to test Quartzis your Quartz nail legitis your quartz nail realquartz nail