Satin chrysolite- appears dark gray with subtle green tone. Flat back sew-on with 2 holes on either end for sewing. Silver foil on the back 10 x 7 mm Sold as SET OF 6 STONES Made in Austria $4 max shipping (WITHIN US) on any combined order of fabric, needles, sequin strands, bead hanks or thread spools AND RHINESTONES