Quartz Geode. Sold as a pair!
Having a Clear Quartz as part of the family is a MUST. This wonderful crystal will be your best friend, its energy works with everything that you'll need. It is known as the stone that can amplify any energy or intention that's needed. Clear Quartz also purifies the energy around its space, clearing any negativity. They absorb negative energies very easily and therefore they need to be cleansed and cleared regularly. To cleanse Clear Quartz you can leave it out in the sunlight to recharge or hold under running water, both are good options for this crystal.
Crystal clusters such as this one are ideal for the home as they radiate energy out to the surrounding environment. They can also absorb detrimental energy.