Rainbow Mountain Volcanic BowlRainbow Mountain Volcanic Bowl. Inspired by the colourful layered geology of a hill called Rainbow Mountain just south of Rotorua. The marbling shows the history of its volcanic past. An original piece of glass art. Excellently suited as collector's item, fruit bowl, salad bowl or interior design accent. Handblown by award winning glass artist Lynden Over in his Lava Glass Studio in Taupo, New Zealand. Each piece is signed and dated by the artist. H