Chalcedony

Chalcedony has a waxy luster.  It can also be transparent or translucent.  It is available in a wide range of colors but the most commons ones are white, gray, grayish-blue.  This stone is said to help with your eyes, bones, blood, spleen gallbladder and circulation. 

Disclaimer

Silver & Stone is not intended to diagnose, treat, cure or prevent any disease or physical condition and is not a replacement for any medical treatment.