Uranium glass of uranium glass is pale yellowish-green, which in the 1920s led to the nickname vaseline glass based on a perceived resemblance to the appearance of petroleum jelly as formulated and commercially sold at that time. Specialized collectors still define vaseline glass as transparent or semi-transparent uranium glass in this specific color. Vaseline glass is now used as a synonym for any uranium glass, especially in the United States, but this usage is not universal. The term is sometimes carelessly applied to other types of glass based on certain aspects of their superficial appearance in normal light, regardless of actual uranium
Star jelly Star jelly Star jelly (also called astromyxin, astral jelly) is a gelatinous substance sometimes found on grass or even on branches of trees. According to folklore, it is deposited on the Earth during meteor showers. Star jelly is described as a translucent or grayish-white gelatin that tends to evaporate shortly after having "fallen." Explanations have ranged from the materials being the remains of frogs, toads, or worms, to the byproducts of cyanobacteria, to the paranormal. Reports of the substance date back to the 14th century and have continued to the present day. There have been reports of 'star-jelly' for centuries.