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calcite

calcite

2 6.2
A common white mineral made of calcium carbonate found in limestone and marble
  • noun
  • /ˈkælˌsaɪt/
  • Specialized
translation icon : calcita
  • Higher pH probably led in turn to biogenic precipitation of minerals, particularly calcite, from the dissolved ions (Cole 1994), thereby decreasing conductivity.
  • calcium carbonate
  • calcite in limestone

And it was all those spaces filled with with, with calcite or, you know, some other mineral.

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Examples

  • White calcite crystals showed here and there in snowy patches on the roof; otherwise, the rock was unspectacular.

    Fiction book (1995)
  • Portland cement of grade 42.5 containing 6.7 wt% calcite was used.

    Academic text (2018)
  • I'll call Molly to tell her I've found her a beautiful calcite crystal.

    Fiction book (2001)
  • If the vinegar, which is a weak acid, fizzes, the crystal is definitely calcite.

    Fiction book (2001)
  • The warmer the water, the lesser the CO2 content; the higher the pH, the lesser the calcite solubility.

    Blog text (9)
  • Coral waste is a type of porous carbonate material, which consists of aragonite and a small part of calcite.

    Academic text (2018)
  • My book tells me there's only one clear mineral that shows double refraction: calcite (CAL-site).

    Fiction book (2001)
  • Some are ceramic, but others are sculpted from a variety of materials: ivory, limestone, steatite, and calcite.

    Academic text (1994)
  • A copse of pink calcite stalagmites rose from the periphery of the fissure floor like grasping fingers.

    Fiction book (2001)
  • A copse of pink calcite stalagmites rose from the periphery of the fissure floor like grasping fingers.

Synonyms

calcium carbonate
vscalcite
  • Specialized
3 3.9

A white material in rocks like chalk and limestone and in shells that people use to make lime and cement

is the specific crystalline mineral form found in limestone and marble

How Hard

diamond
489 1.4
corundum
  • Specialized
1 9.9
quartz
16 3.7
orthoclase
  • Specialized
9.9
apatite
  • Specialized
9.7
calcite
  • Specialized
2 6.2
talc
6 4.2

Surface Forms

calcite singular
calcites plural

Morphology

calcite = calcium (semi-transparent) = calc + ite

The form combines a calcium/lime root with the mineral-forming suffix '-ite', but 'calc' is a non-standalone combining form and '-ite' is a specialized mineral suffix that not all learners know.

Etymology

Calcite comes from the Latin word calx, which means 'lime' or 'chalk', plus the mineral ending -ite. It shares the same root as calcium, so think of calcite as the 'lime' mineral that makes up limestone and marble.