Vintage Murano Style Pink Art Glass Bowl or Ashtray with Gold Aventurine. Elegant art glass bowl is crafted from heavy cranberry-colored glass with a clear outer casing. The piece has a four-lobed clover shape and features a ribbed design and gold aventurine flecks inside the glass walls. The base is flat with a center pontil. There are grooves extending from the center. There is a yellow substance under the grooves area (maybe ash?). See photos of the underside. It measures 6 inches in length and width and is 2 inches tall. There are no chips or cracks.