Kaleidoscope Coasters 4-Pack


  • Crystals formed from an aqueous mixture of oxalic acid and rhamnose. Oxalic acid occurs naturally in many foods, and is named after wood-sorrel (Oxalis), from which it was first isolated. Rhamnose is a naturally occurring sugar, and can be isolated from the buckthorn plant (Rhamnus). Imaged with polarized light microscopy
    Images by John Chapman

  • Mixed set of four sturdy wooden coasters, with glossy, heat-resistant surface and beautifully lustrous all-over print. Generously proportioned at 10 cm x 10 cm (4” x 4”) with rounded corners, the perfect blend of function and style for all your hot and cold beverages. Hand made in London
  • Ships direct from NANOVIZZ via PostNL tracked delivery service. Please allow 2-5 working days within Europe, 5-9 working days for the US and 6-12 working days for other international orders

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