Coal ore is most common at Y=136 and Y=96. Iron ores are most common at Y=232 and Y=16. Diamond ores are most common at Y=-59. Redstone ores are most common at Y=-59, while gold ores appear at Y=-16.
To get the best IV it needs three stars, and all three lines have to be red. Check for shiny Pokémon. The three-star symbol under CP indicates the Pokémon is shiny. Shiny Pokémon are harder to get.
Here’s a full explanation of how to get Meltan in Niantic’s game, and whether or not it can be Shiny. Pokemon Go involves a lot of special items for different purposes, and one of the most ...