Crossword clues for the word: CALX The word CALX has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for CALX Showing 1 to 10 of 10 results Clue(s) Ashy residue Broken and refuse glass. Burned metal residue Crumbly mineral residue Metal combustion residue Metal oxide Mineral residue Name for lime based on its chemical composition Post-combustion mineral residue Quicklime