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 of grass". <poem>As he whose quicker eye doth trace A false star shot to a mark'd place Do's run apace, And, thinking it to catch, A jelly up do snatch</poem> That the Starres eat...that those falling Starres, as some call them, which are found on the earth in the form of a trembling gelly, are their excrement. When I had taken up what I supposed a fallen star I found I had been cozened with a jelly. <poem>Swift as the shooting star, that gilds the night With rapid transient Blaze, she runs, she flies; Sudden she stops nor longer can