When spawning on your first island you will need to know some things first.
on a basic island, you will have a tree, ice, and a lava bucket. (more tips coming soon)
1- How to make a cobblestone generator
1 - Dig a 5x1 trench (5 long 1 wide).
2- dig down one more block on the 2nd block.
3- place your ice as so and then break it.
4- place lava on the direct opposite side.
There, You've made a cobblestone generator. Well done!
ps- on our server, you will get random ores