Calcium Carbonate's Common, Citrusy Name
This page is the CodyCross answer for the clue below from Life in the Castle, Group 2318, Puzzle 2 (Cannon Fire).
Question
Calcium Carbonate's Common, Citrusy Name
Answer
LIMESTONE
Word Meaning:
LIMESTONE — An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO₃); and occurring in a variety of forms, both crystalline and amorphous.
Definitions from Wiktionary.