Mineral That Makes Stalactites

This page is the CodyCross answer for the clue below from Prehistory, Group 1246, Puzzle 2 (Paraceratherium).

Question is: Mineral That Makes Stalactites

and the answer is: CALCITE

Word Meaning:

CALCITE — (mineralogy) A very widely distributed crystalline form of calcium carbonate, CaCO₃, found as limestone, chalk and marble.

Definitions from Wiktionary.