"if fixed, undisturbed, in free air, not exposed to radiation, fire, or sun, but in the ordinary light of a well-ventilated room or outer air, the chemical mixture in a so-called storm-glass varies in character with the direction of the wind [...]"
"In 2008 an article in the Journal of Crystal Growth similarly concluded that temperature change is the sole cause of crystal growth in storm glasses."
I enjoy doing jigsaw puzzles because they give me a sense of peace and calm. May the puzzle bring you much pleasure and enjoyment, and may the image take you to a place of serenity and goodness.