Rhyolite Coin Earrings Green : Style 7 of 14 Smooth coin shaped Rhyolite hangs beneath a beautiful Sterling Silver bead. The Rhyolite is in shades of rusty brown and green, with areas of clear crystal in some beads. The Rhyolite varies, so please click on the piece that you want! Approx. 1- 3/4 inches long. There is only one just like this! Item: GE12a   $28.00