Beautiful and colorful glass, dichroic cabochons. About 35mm diameter, and 3-4mm thick. Some are opaque with a black underside (like the ones in the picture here), and some are translucent with the same gorgeous colors, but not as pronounced.
Black Stars Pendant with Silver Dichroic Glass Cabochon on A 20 inch Black Metal Chain Jewelry
5 Pack Dichroic Glass Gems Glass Cabochons Glass Beads Fused Glass Dichroic Beads Multiple Colors Available
Catalogue Page - Dichroic Glass Cabochons
How to make a dichroic glass cabochon
Dichroic Glass Cabochons Drop Shaped - Putian Venble Jewelry Co., Ltd
Dichroic Cabochons - Black Copper - Round – Cool Tools
Glass Stud Earrings Purple Green Stripe Iridescent Colored
Dichroic glass cabs, Five dichroic glass cabochons, 18mm by…
DICHROIC GLASS BUTTONS BY NANCY GEDDES - DISCOUNTINUED -SOLD INDIVIDUALLY
Handmade Dichroic Glass Cabochon, Jewel Tones - Yahoo Shopping
Ancient Glass Cabochon – Liga Kaulina
LOT of 2 Rectangular Dichroic Glass Cabochons –