Approximately 3cm (1.5inch)
Bronzite is known both as a 'stone of action' as well as a 'stone of courtesy'. It is known to be a common part of meteorites. It is used mainly for grounding and protection, and to help one follow their intuition to make the proper decisions. Especially helpful when planning important physical moves whether that be another home or another occupation, especially when great distance is involved.
These stones are assorted, what you get is what you get, and are sold individually.