Chloritoid
Chloritoid is a silicate mineral of metamorphic origin. It is an iron magnesium manganese alumino-silicate hydroxide with formula (Fe, Mg, Mn)2Al4Si2O10(OH)4. It occurs as greenish grey to black platy micaceous crystals and foliated masses. Its Mohs hardness is 6.5, unusually high for a platy mineral, and it has a specific gravity of 3.52 to 3.57. It typically occurs in phyllites, schists and marbles. Both monoclinic and triclinic polytypes exist and both are pseudohexagonal.
primaryTopic
Chloritoid
Chloritoid is a silicate mineral of metamorphic origin. It is an iron magnesium manganese alumino-silicate hydroxide with formula (Fe, Mg, Mn)2Al4Si2O10(OH)4. It occurs as greenish grey to black platy micaceous crystals and foliated masses. Its Mohs hardness is 6.5, unusually high for a platy mineral, and it has a specific gravity of 3.52 to 3.57. It typically occurs in phyllites, schists and marbles. Both monoclinic and triclinic polytypes exist and both are pseudohexagonal.
has abstract
Chloritoid is a silicate miner ...... he chlorite group of minerals.
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Chloritoid je silikátový miner ...... chloritovou skupinou minerálů.
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Chlorytoid – minerał z gromady ...... kowany jako oddzielny minerał.
@pl
El cloritoide es un mineral de ...... e los Montes Urales, en Rusia.
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El cloritoide és un mineral de ...... nerals del grup de la clorita.
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Het mineraal chloritoïd is een ...... behoort tot de nesosilicaten.
@nl
Kloritoide silikato motako minerala da eta chloritoid taldearen kidea da.
@eu
La cloritoide è un minerale.
@it
Le chloritoïde est une espèce ...... , verts à gris verdâtre foncé.
@fr
Хлоритоїд (рос. chloritoid; ні ...... ю й алюмінію острівної будови.
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996,473,976
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2V
Measured: 36° to 89°
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birefringence
δ = 0.010
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caption
Chloritoid crystal group on matrix from Nuristan Province, Afghanistan
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category
cleavage
Perfect on {001}, distinct on {110}; parting on {010}
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color
Dark gray, greenish gray, greenish black
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dana
diaphaneity
Translucent
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dispersion
r > v; strong
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gravity
habit
Tabular pseudohexagonal crysta ...... y curved or bent; also massive
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luster
pearly on cleavage surfaces
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mohs
name
Chloritoid
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opticalprop
Biaxial or
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pleochroism
X = olive-green to yellow; Y = ...... orless to pale greenish yellow
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refractive
nα = 1.713 - 1.730 nβ = 1.719 - 1.734 nγ = 1.723 - 1.740
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streak
White, grayish, or very slightly greenish
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tenacity
Brittle
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twinning
Common on {001}, polysynthetic may be lamellar
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unit cell
b = 5.50 Å, c = 18.22 Å;
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b = 5.50 Å, c = 9.15 Å;
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α = 97.05°, β = 101.56°,
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β = 101.9°; Z = 4
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γ = 90.10°
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wikiPageUsesTemplate
subject
hypernym
comment
Chloritoid is a silicate miner ...... and both are pseudohexagonal.
@en
Chloritoid je silikátový miner ...... chloritovou skupinou minerálů.
@cs
Chlorytoid – minerał z gromady ...... kowany jako oddzielny minerał.
@pl
El cloritoide es un mineral de ...... e los Montes Urales, en Rusia.
@es
El cloritoide és un mineral de ...... nerals del grup de la clorita.
@ca
Het mineraal chloritoïd is een ...... behoort tot de nesosilicaten.
@nl
Kloritoide silikato motako minerala da eta chloritoid taldearen kidea da.
@eu
La cloritoide è un minerale.
@it
Le chloritoïde est une espèce ...... , verts à gris verdâtre foncé.
@fr
Хлоритоїд (рос. chloritoid; ні ...... ю й алюмінію острівної будови.
@uk
label
Chloritoid
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Chloritoid
@en
Chloritoïd
@nl
Chloritoïde
@fr
Chlorytoid
@pl
Cloritoide
@ca
Cloritoide
@es
Cloritoide
@it
Kloritoide
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Хлоритоїд
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sameAs
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name
Chloritoid
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