Linked from
The 62 pages that link to Calcium carbonate, each with the reason it gives.
Animal shellRelated: Mollusks build much of their shell from this mineral.
Band-e Amir National ParkRelated: Its precipitation builds the pale dams that hold the lakes.
Giant clamRelated: The clam’s heavy shell is built largely from calcium carbonate.
Kuang Si FallsBroader topic: Its dissolved and deposited forms help shape the falls’ stepped basins.
TestRelated: Many foraminiferal tests are made from calcium carbonate.