Glass colors are unique in the way they each need to be worked in the flame…⁣ ⁣ Some take more heat to melt and some less. Some can take any type of flame chemistry and some need more propane or more oxygen.⁣ ⁣ And last but not least some are heat sensitive which means they will boil if they are heated too quickly or too much. ⁣ ⁣ Basically they require patience which is something I do not excel at 🤣⁣ ⁣ These are usually cadmium or crayon colors like Yellow, Red, Orange and some Greens.⁣ ⁣ For