Black vases are amethyst glass. JOHN SIKORSKI Special to Star-Banner. Dear John: Attached are photos of the front and back of a vase, one of a pair, about 6 to 7 inches tall.

This 19th-century, tulip-shaped vase was made with pressed glass and natural gemstone coloring. It sold for $960 at auction. Talk about jewel tones! Amethyst glass was made to resemble the famous ...