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
Grass jelly genus Stephania such as "Stephania hernandifolia" (also known as "Stephania japonica") and "Stephania capitata" are also being used as a substitute to create green grass jelly called "cincau minyak" or oily grass jelly. Usually, the process of making Indonesian green grass jelly doesn't require a cooking or heating process. Mixing leaf extract and water with the addition of a period of waiting time for coagulation at mild room temperature is enough. Indonesian green grass jelly has a distinct flavor compared to black grass jelly. It is absent of smoky flavor, almost no bitter taste, and has mild leafy flavor. Due