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.
Handmade Dichroic Glass Cabochon, Jewel Tones - Yahoo Shopping
Dichroic Cabochons for Jewelry and Crafts
Steve Smith's Jewellery: My Do's and dont's on How to make very small Dichroic glass cabochons for Stud Earrings
10 Dichroic Glass Cabochons 6.5mm Silver #6 - ukfindings
Dichroic Cabochons - Gold Medium - 12mm to 16mm Pkg/3 – Cool Tools
Dichroic glass cabochons-- it can delicate and attractive feeling to you decor. Natural crystal-- wide applications: fit for decorations in jewelry,
SEWACC 20pcs Mosaic dichroic Glass cabochons DIY Scrapbooking Embellishments Cameo Settings DIY Doll Eyes Beads Dome Natural Crystal Flat Back
Dichroic Cabochons - Pink Medium - 12mm to 16mm Pkg/3 – Cool Tools
Making Microwave Fused Glass Cabochons
Fused Glass Cabochons! Oh, My!!, 620 N Broadway Pittsburg, KS