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
Cobalt: historical information. Cobalt was discovered by Georg Brandt at 1735 in Sweden. Minerals containing cobalt were of value to the early civilisations of Egypt and Mesopotamia for colouring glass deep blue. Cobalt was announced to be an element by Georg Brandt about 1739 (or possibly 1735).