Mark Sublette Collection - Featuring Sam Patania - Old Patania Black Matrix Number 8 Turquoise and 18K Gold Bracelet, size 6.5 (J13299)
27.2g, 0.625" bandwidth, size 6.5 to include a gap of 1". Hallmarked "MS" and "FPS" on verso. Number 8 turquoise is highly sought after by collectors. It was discovered in 1925 and was named Number 8, since it is an 8 on the Mohs scale of mineral hardness. Most turquoise is 4 or 5 on the Mohs scale.