Red Lace Agate Ring

My best guess is this ring is made of red lace agate.  It is possible it is made of quartz.  I’m not sure, but it is a really spectacularly beautiful stone.  I set it in a bezel of Fine Silver (.999 pure silver).  The back plate and shank are made of Sterling Silver (.925 pure silver).  The shank is open to make it possible to adjust the size of the ring to fit you better.