This Rhyolite stone has yellow and grey tones and is set in sterling silver. The bales is created by forge twisting a piece of sterling silver allowing for a large pass through so you can wear different size chains with it. Comes with a 20 inch sterling silver rope chain and is set with a lab grown blue spinel to provide contrast to the stone. Pendant measures 1 1/2 by 5/8 inches and the spinel measures approximately 5mm in diameter.