Small wonderfully natural charcoal-ish shirt buttons. Shiny, glowing silvery gray, with lots of other colors, rainbows, and natural patterning.   1/2"" / 13mm with 1.75mm holes.  Lots of natural variance and iridescence. Thin but sturdy and strong, hard to find pearly smoke silver-gray color. High shine, sleek and smooth with lots of natural patterning. Litte works of art, no two will match. 

Order "1" per pack of 25 buttons for $14.00