Yes, butters can be crumbly. Cocoa Butter is hard, like rocks. It doesn't just sit there nicely one day and the next day decide to break into little pieces. Shea Butter can be crumbly, I like it that way, it's easier to get out of the bucket. Mango butter, is sticky. If it was 80 degrees when your oils arrived and the inside of the UPS truck was 110, then I can see why your butters weren't hard when they arrived. The cocoa butter that I buy comes all broken up into little rock like pieces. It is shipped out that way, it doesn't do it by itself when I'm not looking.