Carborundum was accidentally discovered in 1891 when American inventor, Edward Acheson, was trying to create artificial diamonds.  Over the years this visually pleasing stone has taken on various symbolic meanings.
 
It helps with your resilience, protection and transformation.  Also seen as a beacon of your inner strength and clarity.  It balances the chakras and has a calming and gentle grounding energy.  It shields and protects and is highly useful when it comes to electromagnetic stress
 
Chakras: All