Vintage Caithness Glass factory Bowl, Purple Swirl Caithness Bowl, Caithness Scotland Optic Centerpiece Bowl

Caithness art glass bowl; Alexanderite or Neodymium glass with a spiral optic swirl pattern. The bowl measures about 4 3/4" tall with a 7 5/8" diameter 4.5” polished top rim. The glass has the unique characteristic of changing color hues depending on the direction and source of lighting. Bowl glows green under black light. The bowl shows no chips, nicks, or factory cracks.