Tyndall flowers

{
  "id": "MLC-T-MET-009860",
  "term": "Tyndall flowers",
  "field": "Meteorology and atmospheric science",
  "definition": "Six-petalled, flower-shaped pockets of liquid water that form inside a block of ice when sunlight or other radiant heat melts it internally. Each pocket lies in a plane parallel to the basal plane of the crystal and usually contains a small bubble at its center. They are also called Tyndall figures, after the physicist John Tyndall, who studied them in the 1850s.",
  "url": "https://mlchart.com/terminology/meteorology/tyndall-flowers/"
}