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Blue Banded Agate Geode Bookends - large

$40.00 USD


  1. 210 x 140 x 50 mm
  2. 240 x 135 x 75 mm
  3. 205 x 160 x 70 mm
  4. 150 x 140 x 80 mm
  5. 180 x 140 x 80 mm

These bookends have been enhanced to show these beautiful blue tones. Originally the agates turned into these bookends ranged in color from white-beige to colourless. 

Blue agate is created by soaking a white-colourless agate in red or yellow prussiate of potassium, followed by soaking in iron sulphate solution, according to Gemology Online. According to Marbles Galore, the blue colour was created in Idar-Oberstein by soaking in potassium ferrocyanide for three weeks.

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