Black Tourmaline is a grounding stone and helps to remove negative energy but can also work on attracting positive energy. Black tourmaline promotes self-confidence and allows you to see the world more objectively. It also helps guard against electromagnetic radiation.
 
Quartz is a powerful healing stone and due to its structure can increase its properties. Quartz can store and release and energy and is good at unblocking it too. It is excellent at amplifying other stone's properties.
 
Approx measurements
93mm long x 68mm wide x 79mm high