Smoky Quartz Crystal PointUntreated natural Smoky Quartz Crystal Point. If you want a superb quality smoky quartz this is your piece! This Smoky is so clear and nearly perfect, its a rare find. Smoky Quartz Crystal Point 4 H x 1 W Smoky quartz is a grey, translucent variety of quartz. It ranges in clarity from almost complete transparency to a brownish gray crystal that is almost opaque. It comes in every shade of brown, from a light tan to nearly black. Sunglasses with flat,