If you would like to put pineapple in your jello, I have good news for you. You can actually combine the two and get a yummy dessert ... but you have to use canned pineapple to prepare it. Jello contains gelatin (a protein, which is a processed version of collagen.
It's a cobalt oxide-aluminum oxide. Very costly and extraordinary stable pigment of pure blue colour discovered by Thenard thÃ©nard in. 1802
Brief description of Cobalt green: It's a green cobalt-oxide-zinc-oxide, semi-transparent of limited hiding power discovered by Rinmann in 1780. Due to its permanence it can be used in all painting techniques. The poor tinting strength and high cost of cobalt green kept it in limited use. Field called it, chemically good and artistically bad.