Minecraft wiki entry for Diorite, associated text: In Bedrock Edition, Diorite attempts to generate in two batches in all biomes in the Overworld. The first batch generate 2 times per chunk in blobs of size 0-862, from elevations 0 to 60. The second batch has 1⁄6 chance to generate blobs of size 0-862, from elevation 64 to 128. Diorite can replace stone, andesite, and granite. In Java Edition, diorite only attempts to generate twice per chunk and only at level zero or above. However, the blobs are size 0-862. Diorite can replace stone, granite, andesite, tuff, and deepslate.