Kimberlite cobblestone

block survival:cobblestone-kimberlite · from game

Produced by (1)

Filters

Recipe	Category	Ingredients → output
grid recipe	grid	clay-* + Kimberlite stone → Kimberlite cobblestone ×2

Found in structures (2)

Structure	Kind
surfaceunderground-tiggetaggcave2-tiggetagg	structure
desertspecifc-o2-stadrian-cube1	structure

This confirms the schematic(s) contain this code somewhere, not where or how many times -- the per-instance block-entity decoding used for tapestries isn't run for every content type.