| Definition/Meaning | Word/Phrase |
| hard compact kind of calcite |
alabaster
,
Mexican onyx
,
onyx marble
,
oriental alabaster
|
| mineral form of crystalline calcium carbonate; dimorphic with calcite |
aragonite
|
| salt found in nature as chalk or calcite or aragonite or limestone |
calcium carbonate
|
| soft whitish calcite |
chalk
|
| piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces |
chalk
|
| transparent calcite found in Iceland and used in polarizing microscopes |
Iceland spar
|
| loose and crumbling earthy deposit consisting mainly of calcite or dolomite; used as a fertilizer for soils deficient in lime |
marl
|
| any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable |
spar
|