Smoky Quartz is a color variety of crystalline quartz. The color is created by Earth's natural radiation with aluminum impurities in the rock. It often combines with other Quartz minerals like Amethyst and Citrine. Metaphysically, Smoky Quartz has a strong grounding connection to Earth and carries protective energy against all forms of negativity. For this reason, many people carry it for travel protection and as an antidote for stress, imbalance, hostility, or dysfunction in the workplace or social situations in general. Use it to also create positive energy.