Calcite
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". Other polymorphs of calcium carbonate are the minerals aragonite and vaterite. Aragonite will change to calcite over timescales of days or less at temperatures exceeding 300 °C, and vaterite is even less stable.
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Calcite
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". Other polymorphs of calcium carbonate are the minerals aragonite and vaterite. Aragonite will change to calcite over timescales of days or less at temperatures exceeding 300 °C, and vaterite is even less stable.
has abstract
A Calcita (português brasileir ...... estalactites e as estalagmites
@pt
Calcit, Kalzit, Kalkspat oder ...... den Skala nach Friedrich Mohs.
@de
Calcite is a carbonate mineral ...... vaterite is even less stable.
@en
Foirm mhianrach de charbónáit ...... i ndéanamh stroighin Portland.
@ga
Het mineraal calciet (ook wel ...... (aq) + CO32−(aq) -→ CaCO3(s) .
@nl
Kalcit (Haidinger, 1845), chem ...... latinského slova calx – vápno.
@cs
Kalcito estas ofte trovebla mi ...... j de kalcita mineralo (СаСО3).
@eo
Kalcyt – minerał z gromady węg ...... go zastosowania tego minerału.
@pl
Kalkspat även kallat kalcit är ...... ra förhållanden.[källa behövs]
@sv
Kalsit adalah sebuah dan polim ...... vaterit justru kurang stabil.
@in
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1,024,710,515
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alt
A photograph of calcite laying over a text paragraph.
@en
birefringence
δ = 0.154–0.174
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boxbgcolor
#c8cad2
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caption
Photograph of calcite displaying the characteristic birefringence optical behaviour.
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category
class
H-M symbol:
@en
Hexagonal scalenohedral
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cleavage
color
Colorless or White, Yellow, Red, Orange, Blue, Green, Brown, Gray etc.
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diaphaneity
Transparent to translucent
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float
left
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formula
CaCO3
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fracture
Conchoidal
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gravity
habit
Crystalline, granular, stalactitic, concretionary, massive, rhombohedral
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image-left
image-top
image width
imagesize
luster
Vitreous to pearly on cleavage surfaces
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name
Calcite
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opticalprop
Uniaxial
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Other
May fluoresce red, blue, yello ...... r SW and LW UV; phosphorescent
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refractive
nε = 1.486
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nω = 1.640–1.660
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solubility
Soluble in dilute acids
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streak
White
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symmetry
Rc
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system
tenacity
Brittle
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twinning
Common by four twin laws
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unit cell
a = 4.9896 Å,
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c = 17.0610 Å; Z = 6
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wikiPageUsesTemplate
wordnet_type
subject
hypernym
comment
A Calcita (português brasileir ...... o principal elemento formador.
@pt
Calcit, Kalzit, Kalkspat oder ...... den Skala nach Friedrich Mohs.
@de
Calcite is a carbonate mineral ...... vaterite is even less stable.
@en
Foirm mhianrach de charbónáit ...... i ndéanamh stroighin Portland.
@ga
Het mineraal calciet (ook wel ...... (aq) + CO32−(aq) -→ CaCO3(s) .
@nl
Kalcit (Haidinger, 1845), chem ...... latinského slova calx – vápno.
@cs
Kalcito estas ofte trovebla mi ...... skeleto de la senvertebruloj.
@eo
Kalcyt – minerał z gromady węg ...... go zastosowania tego minerału.
@pl
Kalkspat även kallat kalcit är ...... ra förhållanden.[källa behövs]
@sv
Kalsit adalah sebuah dan polim ...... vaterit justru kurang stabil.
@in
label
Cailcít
@ga
Calciet
@nl
Calcit
@de
Calcita
@ca
Calcita
@es
Calcita
@pt
Calcite
@en
Calcite
@fr
Calcite
@it
Kalcit
@cs
wasDerivedFrom
isPrimaryTopicOf
name
Calcite
@en