Make sure that every brown chest in spawn islands have a stack of andesite in them.
It is very annoying to have no blocks in all three chests in my spawn island. As well as annoying as every iron ore block dropped all arrows. This happens sometimes and it is very unlucky. Anyways please vote if you want to have a guaranteed andesite in your spawn chest.
OMG I can not tell you how many times this has happened to me 
this is so useful voted.