Quartz var. Chalcedony, Mamuju, Sulawesi Barat Prov., Sulawesi, Indonesia, small-cabinet, 8.7 x 7.3 x 4.7 cm, From the recent finds in Sulawesi Island, this is an exceptional specimen for a number of reasons: color saturation, luster, shapely form, and lack of significant damage., For sale from The Arkenstone, www.iRocks.com. For more details on this piece and others, visit https://www.irocks.com/minerals/specimen/46242