Cabochon generally have a flat back and are not drilled. Beadaholique.com carries Vintage German glass and lucite cabochons in a rainbow of colors, both opaque and translucent. Gem cut, smooth oval, painted and cameos. Use clear glass Czech dome cabochons to glue onto photos or letters for a magnifying effect. Create pendants, magnets, earrings. Use in Mixed Media projects. Set in to a bezel setting or use Vintaj Brass or silver plated stampings to create settings for cabochons. Use Aanraku glue on bails to suspend cabochons.