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structure (aspect of mineral) → MadeOf → calcium carbonate	0.81
shell → MadeOf → calcium carbonate	0.73
calcium carbonate (subgroup of carbonate) → IsA → a chemical compound	0.68
shell (aspect of diatom) → MadeOf → calcium carbonate	0.68
spicule (aspect of sponge) → MadeOf → calcium carbonate	0.68
toothpaste → HasA → calcium carbonate	0.56
antacid → HasA → calcium carbonate	0.55
coral reef (subgroup of reef) → MadeOf → calcium carbonate	0.38
shell (aspect of oyster) → MadeOf → calcium carbonate	0.30
cell wall → MadeOf → calcium carbonate	0.29
stalagmite → MadeOf → calcium carbonate	0.25