ˈkalˌsīt noun
( -s )
Etymology: International Scientific Vocabulary calc- + -ite; originally formed as German kalzit
: a mineral consisting of calcium carbonate crystallized in hexagonal form, cleaving readily into rhombohedrons, and including besides common limestone chalk, marble, dogtooth spar, Iceland spar, stalactites, and stalagmites (hardness 3, specific gravity of crystals 2.71) — distinguished from aragonite
• cal·cit·ic (ˈ)kal|sid.ik adjective