First you will got random ore, most of them is coal and iron if luckily you will found gold and diamond. Remember always digging around every ores has found and will you got all the ores. At the end of the dungeon is an abandoned mineshaft. Close there you will got the final room of the dungeon, contain 2 chest with diamonds inside.
In the village also can be found is an chest in the blacksmith. The chest contain: iron, apple, bread in it.
Another tip you need: Don’t forget the dot at the end of the name seed.