Medium sized island with two trees, and a large mine system with visible diamonds and lapis. Mines connect to a mineshaft with a minecart with a chest with gold, and other things inside. Warning: you may spawn in water.
There is other land, but it is far away from the starting island. There is no mushroom biomes on this world that i could find.
X: -68 / Y: 12 / Z: -797
Visible diamond right by some to lapis and obsidian
X: 82 / Y: 95 / Z: -1,928
large snow biome with extreme hills and lots of pigs and some cows
X: 114 / Y: 66 / Z: -2,862
Pumpkins right next to a ravine with a visible mineshaft
X: 1,359 / Y: 68 / Z: -3,298
Desert NPC village with a blacksmith. Inside blacksmith chest there is 12 obsidian blocks and some food.
X: 1,632 / Y: 67 / Z: -3,317
Small NPC village, near by the desert village. With a blacksmith, with an iron ingot, iron helmet, and iron pickaxe.