Sterling silver base with patina, 22k yellow bimetal, 14K green, and rose gold and mokume gane overlays. Mokume gane is in wood grain patterning made from18k green gold,14k rose & white gold and shakudo. The stripe patterning is made with sterling silver and shakudo. The shakudo is a gold and copper alloy. Stones are: (1) 10.5mm x 26mm Blue Chalcedony, (1) oval 12mm x 13mm rutilated quartz, and (1) 3mm round faceted Andalusite, a semi-precious stone from Brazil.