Chiastolite

Chiastolite
AKA Andalusite
Powerfully protective
A gateway into mysteries
Dissolves illusions and calms fears
Clears guilt and stabilizes emotions
Most pieces have a distinctive cross in the center
Dispels negativity
Aids in problem solving
Maintains spirituality during illness or trauma
From China
 
These are priced by weight and not necessarily by size.  Not all the pieces have a cross in them.  I will always try to pick one with a cross, if it is available in the size you choose.  They all carry the same energy regardless.