This Selenite (Satin Spar) has a groove in the centre to place your crystals. Please note that this plate does not include the crystals shown in the photo. 
Selenite is a crystal that will cleanse the space around it, as well as any crystals placed on or next to. 
Healing and spiritual properties.
Selenite promotes peace and calm, mental clarity, and well-being. It will remove any negative energy and help you connect to higher realms. This high vibration spiritual stone will cleanse your auric field and help you to pursue your chosen path with clarity. The powerful vibration of Selenite can clear, open, and activate the Crown and Higher Chakras which is excellent for all types of spiritual work. Selenite will help you to trust your intuition and messages that come to you. This crystal will clear stagnant energy and will help to strengthen your memory.  Carry this crystal to act as a magnet for success and wonderful new opportunities.
Approx 10cm long and 4cm wide and 2cm deep