Emerald
Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium and sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
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Gemstone
Emerald
Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium and sometimes vanadium. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
has abstract
Emerald is a gemstone and a va ...... r. Emerald is a cyclosilicate.
@en
Esmeralda é uma variedade do m ...... ças de temperatura repentinas.
@pt
La esmeralda es la variedad ve ...... artamento de Boyacá, Colombia.
@es
Lo smeraldo è una varietà del ...... ralmente significa "smeraldo".
@it
L’émeraude est un minéral, du ...... des quatre pierres précieuses.
@fr
Smaragd is een variëteit van b ...... id als "Colombiaanse smaragd".
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Smaragd ist eine Varietät des ...... rün, die Strichfarbe ist weiß.
@de
Szmaragd – odmiana berylu, min ...... omu, rzadziej wanadu i żelaza.
@pl
Изумру́д (устар. смарагд от ла ...... карат ценятся дороже алмазов.
@ru
الزُّمُـرُّد نوع من معدن البري ...... ن الزُّمُرَّد ذي اللون الأصفر.
@ar
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Wikipage page ID
Wikipage revision ID
745,188,068
birefringence
δ = 0.0040–0.0070
boxbgcolor
boxtextcolor
Caption
Emerald crystal from Muzo, Colombia
category
cleavage
Imperfect on the [0001]
color
Green shades to colorless
diaphaneity
Transparent to opaque
fluorescence
formula
fracture
gravity
habit
Massive to well Crystalline
imagesize
luster
mohs
molweight
opticalprop
refractive
nε = 1.568–1.602
nω = 1.564–1.595,
symmetry
– Dihexagonal Dipyramidal
system
Hexagonal Space group: P6/mсc
unit cell
a = 9.21 Å, c = 9.19 Å; Z = 2
subject
hypernym
comment
Emerald is a gemstone and a va ...... r. Emerald is a cyclosilicate.
@en
Esmeralda é uma variedade do m ...... " pode provir de duas origens:
@pt
La esmeralda es la variedad ve ...... cristal en varias direcciones.
@es
Lo smeraldo è una varietà del ...... con ω verde e ε verde-azzurro.
@it
L’émeraude est un minéral, du ...... des quatre pierres précieuses.
@fr
Smaragd is een variëteit van b ...... de steen, hoe hoger de prijs.
@nl
Smaragd ist eine Varietät des ...... rün, die Strichfarbe ist weiß.
@de
Szmaragd – odmiana berylu, min ...... omu, rzadziej wanadu i żelaza.
@pl
Изумру́д (устар. смарагд от ла ...... карат ценятся дороже алмазов.
@ru
الزُّمُـرُّد نوع من معدن البري ...... ن الزُّمُرَّد ذي اللون الأصفر.
@ar
label
Emerald
@en
Esmeralda
@es
Esmeralda
@pt
Smaragd
@de
Smaragd
@nl
Smeraldo
@it
Szmaragd
@pl
Émeraude
@fr
Изумруд
@ru
زمرد
@ar
wasDerivedFrom
depiction
isPrimaryTopicOf
name
Emerald
@en