Black Obsidian 115 mm Sphere

Black Obsidian
A very powerful and creative stone
Very protective as it repels negativity and disperses unloving thoughts
A grounding stone
Increases self control
Useful in past life work
Amplifies inner strength
From Mexico
 
Sphere
Equally projects energy out on all sides
Emits energy fully as a kind of radiating orb  
Great for placing in the home or office for various purposes including decoration, Feng Shui, and attracting wealth  
If the stone is made from a material that absorbs negative energies, then this shape helps it to hold space very nicely
 
You will receive the piece in the photo.  It's a bit challenging measuring a sphere, but it is approximately 4 1/2", which is approximately 115 mm.  It weighs over 3 1/2 lbs.  This is a very good quality and it's beauty is not captured with a photo.