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The 50 pages that link to Calcite, each with the reason it gives.

• LimestoneRelated: It is the principal mineral in most limestone.

• Calcium carbonateBroader topic: It is the most widespread crystalline form of calcium carbonate in rocks.

• SpeleothemRelated: Calcite precipitating from water forms many familiar cave speleothems.

• Mohs scaleBroader topic: Its position shows the scale’s progression from soft minerals.

• BiomineralizationBroader topic: Many organisms build structures from calcite, sometimes alongside other calcium carbonate phases.

• BirefringenceBroader topic: A printed image viewed through calcite can appear as two displaced images.

• MarbleRelated: Recrystallized calcite forms the dominant mineral framework of most marble.

• CarbonateBroader topic: It is a familiar mineral built from calcium and carbonate ions.

• HaliteCompared with: Calcite’s non-cubic cleavage contrasts with halite’s three directions of cubic cleavage.

• FluoriteCompared with: Calcite can resemble pale fluorite, but its acid reaction and cleavage differ.

• StalactiteRelated: Calcite is the principal mineral deposited in many stalactites.

• AragoniteCompared with: Calcite shares aragonite’s composition but has a different crystal structure and greater surface stability.

• ChalkRelated: Calcite makes up most chalk and forms its carbonate grains.

• TravertineRelated: Calcite is a common mineral deposited in travertine.

• Carbonate mineralBroader topic: It is the most widespread carbonate mineral and a common reference for the family.

• Cleavage (crystal)Broader topic: Its rhombohedral cleavage can be recognized by the shape of broken pieces.

• EggshellBroader topic: Most of the mineral in typical bird eggshells is calcite.

• SkarnRelated: Calcite is commonly consumed as carbonate rock is converted into skarn minerals.

• ApatiteCompared with: Its common pale colors and occurrence in rocks can resemble apatite, though its composition and hardness differ.

• Mineral identificationBroader topic: Calcite’s cleavage and effervescence help separate it from visually similar minerals.

• StalagmiteRelated: Calcite is the mineral most commonly deposited as cave water drips onto the floor.

• Carbon mineralizationBroader topic: Calcite is a principal solid product of calcium-based carbon mineralization.

• CalcificationBroader topic: Some organisms build calcified structures from this calcium carbonate polymorph.

• Carlsbad CavernsRelated: Calcite dissolved during cave formation and later precipitated into many cave decorations.

• Lapis lazuliRelated: Its white veins contrast sharply with lapis lazuli’s blue areas.

• Lechuguilla CaveRelated: Calcite-rich rock and deposits record water-driven mineral processes in the cave.

• Trigonal crystal systemBroader topic: Its rhombohedral cleavage and crystal forms illustrate trigonal symmetry.

• AnhydriteCompared with: Calcite can resemble anhydrite in pale sedimentary rocks but belongs to the carbonate class.

• Carbonate rockRelated: Its abundance makes calcite the defining mineral of many carbonate rocks.

• MagnesiteCompared with: Calcite shares magnesite’s carbonate structure but contains calcium instead of magnesium.

• Rhombohedral crystal systemBroader topic: Its crystal forms and structure provide a familiar rhombohedral example.

• SideriteCompared with: It shares siderite’s carbonate structure type but contains calcium instead of iron.

• LazuriteRelated: Calcite commonly occurs with lazurite in lapis-bearing rock and can dilute its blue appearance.

• CobaltiteRelated: Calcite can occur as a vein mineral alongside cobaltite.

• HedenbergiteRelated: Calcite-bearing rocks can react with iron-rich fluids to produce calcium silicates including hedenbergite.

• RhodochrositeCompared with: Calcite shares rhodochrosite’s carbonate structure but contains calcium rather than manganese.

• CementationBroader topic: Calcite is a frequent cement that fills pores and joins grains.

• Wind Cave National ParkRelated: Calcite veins left behind after limestone weathered helped form Wind Cave’s boxwork.

• WollastoniteRelated: Calcite-bearing rocks supply calcium during reactions that form wollastonite.

• Aven ArmandRelated: Calcite precipitating from dripping water builds the cave’s stalagmites.

• Cave of El CastilloRelated: Calcite layers over paintings supplied material for uranium–thorium dating.

• Iceland sparNarrower topic: Iceland spar is a particularly clear variety of this mineral.

• Jeita GrottoRelated: Calcite dissolves during passage formation and precipitates to build cave formations.

• Mollusc shellRelated: Calcite is another common mineral phase in shells, with structure varying among species.

• OoliteRelated: Calcite commonly cements ooids into solid oolite.

• X unitRelated: Its crystal spacing supplied the physical reference used to define the unit.

• Calcium cycleBroader topic: It is a major calcium reservoir in limestone and marine sediments.

• Haidinger's brushRelated: Its optical properties made it a common source and demonstrator of polarized light.

• Huanglong Scenic and Historic Interest AreaBroader topic: Calcite is the principal mineral deposited in Huanglong’s pale terraces.

• TestRelated: Calcite is a frequent mineral component of foraminiferal tests.