Some Quartz with Black Crystal and Mirror Flecks work-tops.com MATERIALS Black quartz is a type of quartz that can have varying degrees of clarity, from virtually total transparency to a nearly opaque black crystal. It is a crystal of silicon dioxide, just like other quartz ge...

Some Quartz with Black Crystal and Mirror Flecks Black quartz is a type of quartz that can have varying degrees of clarity, from virtually total transparency to a nearly opaque black crystal. It is a crystal of silicon dioxide, just like other quartz gemstones. Due to natural...

Some Quartz with Black Crystal and Mirror Flecks MATERIALS Black quartz is a type of quartz that can have varying degrees of clarity, from virtually total transparency to a nearly opaque black crystal. It is a crystal of silicon dioxide, just like other quartz gemstones. Due t...