Katra stone

Katra stones were a type of found on capable of blocking telepathic links.
Because of this characteristic, when Amanda Grayson sought to hide her son Spock, who was wanted on murder charges, she hid him in a sacred crypt containing katra stones, so any outside telepathic link would be prevented. ()
==See also==
*Indurite
Category:Vulcan
Category:Religious items
Category:Materials