Crumble is a hydrocarbon extract that usually has a firm, somewhat dry consistency in comparison to sugar or live resin.
Crumble is produced from dried & cured flower or fresh trim, much like shatter.
In fact, crumble is made by using higher temperatures during the vacuum-oven purge or whipping the product before the purge.
This gives crumble its volume instead of the flat appearance of shatter.
For more information on crumble, check out our post on cannabis extracts.