Tektite( Tektite from Moldau River valley in Czech Republic is called Moldavite)
Tektite are estimated to have occurred about 14 million years ago.They are believed to be created by meteor that impact with enough velocity. The impact create immence heat and pressure that it vaponizes it's self and surrounding material. These vapors are ejected back into the upper atmosphere they solidity and rain back down a solids as tektite.
Tektite helps to enhance wisdom, expand knowledge, withstand mental or emotional challenges and remove fear. Good for communication , astral travel, meditation and lucid dreaming. Tektite helps to open the energy channels, it could activate the chakra from root to crown.  It helps us to grow spiritually.