Minecraft 1.12.2 is a "golden age" version for modding, and X-Ray resource packs for this version are abundant and highly stable. Unlike modern versions (1.13+) where the "Flattening" update changed texture mapping, 1.12.2 packs are simpler in structure. They remain widely available through community archives and third-party sites.
Minecraft renders blocks based on their texture transparency. A standard resource pack tells the game: "Stone is solid, don't show me what's behind it." An X-Ray pack edits the .properties file or the PNG texture to set the opacity of stone, andesite, diorite, and deepslate (though deepslate is rarer in 1.12.2) to 0% opacity. x ray 1.12 2 resource pack
When you load the pack, your game engine sees: Executive Summary Minecraft 1
The result? You stand at the surface and look down to see exactly where the diamond ore is hiding 30 blocks below your feet. How Does the "X Ray 1
assets/minecraft/models/block/stone.json) with an empty or transparent model.