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Esquema molecular
Limestone
CaCO₃
Description
Limestone is a sedimentary rock composed primarily of calcium carbonate, formed from the accumulation of skeletal fragments of marine organisms.
Chemical composition
Chemical formula
CaCO₃
Classification
Carbonato
Crystal system
Trigonal
Luster
Dull to slightly shiny
Streak
White
Density
2.71 g/cm³
Temperatura de fusión
825 °C
Mohs Scale — 3/10
1
2
3
4
5
6
7
8
9
10
Referencia: Calcita
Color
#ffffff
#cccccc
#aaaaaa
White to gray
Usos
Uso cotidiano
Used in construction, agriculture, and as a calcium supplement
Uso industrial
Used in cement production, glass making, and as a filler in products
Similar minerals
Compare species
| Properties | Limestone | Dolomite |
|---|---|---|
| Chemical formula | CaCO₃ | CaMg(CO₃)₂ |
| Classification | Carbonato | Carbonates |
| Crystal system | Trigonal | rhomboédrico |
| Hardness | 3 | 3.5 |
| Density | 2.71 g/cm³ | 2.85 g/cm³ |
| Luster | Dull to slightly shiny | Vitreous |
| Streak | White | White |
| Cleavage | Unknown | Unknown |
| Transparency | Unknown | Unknown |
Similar minerals: Dolomite
Derivatives and uses
Quicklime, slaked lime
Geographic distribution
Extraction countries: Estados Unidos, Francia, Italia, Alemania, España
Galería de la comunidad
Periodic table
Contains elements: Ca · C · O
C
Carbon
#6 · Nonmetals
Atomic mass12.011 u
Density1.821 g/cm³
Melting point—
Boiling point—
StateSolid
Alkali metalsAlkaline earth metalsTransition metalsPost-transition metalsMetalloidsNonmetalsHalogensNoble gasesLanthanidesActinides
