Sterling Silver Facet Kyanite Oval Ring Size (adjustable from 6 to 10)Material: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): Genuine kyanite Ring Face Dimension: 0. 6 x 0. 3 x 0. 3 inches Weight: 8. 2 grams Ring Size (US): Adjustable from 6 to 10 Stamp Mark: Starborn, 925 Serial Number: r26790 Kyanite takes its name from from the Greek word kyanos which means "deep blue." Formerly called disthene, kyanite is found primarily in shades of blues and greens. The shiny, translucent gemstone is known