Smoky quartz is a brownish grey, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray or black crystal. If faceted it’s a great stone for jewellery and the transparency works very attractive. Smoky quartz is a relatively inexpensive gem material because it is abundant, found in many locations. Smoky Quartz helps one ground themselves to Earth, in addition to opening up the root chakra and solar plexus. Smokey Quartz is the birthstone for november.