This is a simple and beautiful shungite sphere. It had an excellent clean and cleansing energy.In the second picture you can see a selection of shungite, all available from the store. You can also get an idea of sizes. The coin shown is a 10 pence piece UK.
What Is Shungite 
 
What Is Shungite 
Shungite is a rare black stone made of up to 99 percent carbon. It’s mainly found in Shunga, a village in Karelia, Russia. 
Shungite has a unique composition. It contains fullerenes, or 3-D spherical molecules made of 60 carbon atoms.  It is said that Shungite has many uses.
Purifies water 
Reduces inflammation
Eases physical ailments
Shields electromagnetic field (EMF) emissions
Relieves stress