Tourmaline
Tourmaline (pronunciation: /ˈtʊərməliːn/ TOOR-mə-leen) is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. The name comes from the Tamil and Sinhalese word "Turmali" (තුරමලි) or "Thoramalli" (තෝරමල්ලි), which applied to different gemstones found in Sri Lanka.
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category
Gemstone
Ship namesake
primaryTopic
Tourmaline
Tourmaline (pronunciation: /ˈtʊərməliːn/ TOOR-mə-leen) is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. The name comes from the Tamil and Sinhalese word "Turmali" (තුරමලි) or "Thoramalli" (තෝරමල්ලි), which applied to different gemstones found in Sri Lanka.
has abstract
25بك المحتوى هنا ينقصه الاستشه ...... ته حيث يستخدم في استقطاب الضوء
@ar
Die Turmalingruppe besteht aus ...... isch entgegengesetzt aufladen.
@de
La tourmaline désigne un group ...... triangulaire et faces courbes.
@fr
La turmalina es un mineral de ...... Mg,Mn)6(BO3)3(Si6O18).(OH,F)4.
@es
Le tormaline sono un gruppo di ...... essere uniforme nel cristallo.
@it
Os minerais do grupo da turmal ...... propriedades piroeléctricas).
@pt
Toermalijn of Tourmalijn is ee ...... rmules van de toermalijngroep.
@nl
Tourmaline (pronunciation: /ˈt ...... gemstones found in Sri Lanka.
@en
Turmaliny – szereg minerałów n ...... o podgrzaniu, popiołu z ognia.
@pl
Турмали́н — минерал из группы ...... под общим названием «лал».:125
@ru
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Wikipage page ID
Wikipage revision ID
745,148,337
absorption
a strong narrow band at 498 nm ...... oad band in the green spectrum
birefringence
Caption
Schorl Tourmaline
category
class
Ditrigonal pyramidal
cleavage
color
Most commonly black, but can r ...... -colored, or even tri-colored.
density
dispersion
fluorescence
pink stones—inert to very weak red to violet in long and short wave
fracture
Uneven, small conchoidal, brittle
gravity
habit
Parallel and elongated. Acicular prisms, sometimes radiating. Massive. Scattered grains .
luster
Vitreous, sometimes resinous
opticalprop
Double refractive, uniaxial negative
pleochroism
Blue Tourmaline: Strong; dark blue, light blue
Brown Tourmaline: Definite; dark brown, light brown
Green Tourmaline: Strong; dark green, yellow-green
Red Tourmaline: Definite; dark red,light red
typically moderate to strong
polish
refractive
nω=1.635–1.675, nε=1.610–1.650
system
subject
hypernym
comment
25بك المحتوى هنا ينقصه الاستشه ...... ته حيث يستخدم في استقطاب الضوء
@ar
Die Turmalingruppe besteht aus ...... Polarisationsfilter fungieren.
@de
La tourmaline désigne un group ...... triangulaire et faces courbes.
@fr
La turmalina es un mineral de ...... Mg,Mn)6(BO3)3(Si6O18).(OH,F)4.
@es
Le tormaline sono un gruppo di ...... essere uniforme nel cristallo.
@it
Os minerais do grupo da turmal ...... propriedades piroeléctricas).
@pt
Toermalijn of Tourmalijn is ee ...... rmules van de toermalijngroep.
@nl
Tourmaline (pronunciation: /ˈt ...... gemstones found in Sri Lanka.
@en
Turmaliny – szereg minerałów n ...... o podgrzaniu, popiołu z ognia.
@pl
Турмали́н — минерал из группы ...... под общим названием «лал».:125
@ru
label
Toermalijn
@nl
Tormalina
@it
Tourmaline
@en
Tourmaline
@fr
Turmalina
@es
Turmalina
@pt
Turmalingruppe
@de
Turmaliny
@pl
Турмалин
@ru
تورمالين
@ar
wasDerivedFrom
depiction
isPrimaryTopicOf
name
Tourmaline
@en