Oligoclase

Oligoclase

Oligoclase is a rock-forming mineral belonging to the plagioclase feldspars. In chemical composition and in its crystallographic and physical characters it is intermediate between albite (NaAlSi3O8) and anorthite (CaAl2Si2O8). The albite:anorthite molar ratio of oligoclase ranges from 90:10 to 70:30. Oligoclase is a high sodium feldspar crystallizing in the triclinic system. The Mohs hardness is 6 to 6.5 and the specific gravity is 2.64 to 2.66. The refractive indices are: nα=1.533–1.543, nβ=1.537–1.548, and nγ=1.542–1.552. In color it is usually white, with shades of grey, green, or red.
chemical substance
mineral
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Thing
Q7946
http://dbpedia.org/resource/Oligoclase
Mugearite
composition
Oligoclase
primaryTopic

Oligoclase

Oligoclase is a rock-forming mineral belonging to the plagioclase feldspars. In chemical composition and in its crystallographic and physical characters it is intermediate between albite (NaAlSi3O8) and anorthite (CaAl2Si2O8). The albite:anorthite molar ratio of oligoclase ranges from 90:10 to 70:30. Oligoclase is a high sodium feldspar crystallizing in the triclinic system. The Mohs hardness is 6 to 6.5 and the specific gravity is 2.64 to 2.66. The refractive indices are: nα=1.533–1.543, nβ=1.537–1.548, and nγ=1.542–1.552. In color it is usually white, with shades of grey, green, or red.
chemical substance
mineral
ChemicalObject
Thing
Q7946
http://dbpedia.org/resource/Oligoclase
has abstract
En mineralogio, la oligoklazo estas mineralo, parto de la minerala serio plagioklazo.
@eo
Het mineraal oligoklaas of zon ...... Het behoort tot de veldspaten.
@nl
L'oligoclasa és una varietat d ...... ignifica "petits trencaments".
@ca
L'oligoclase est un minéral de ...... t plutôt traitées en cabochon.
@fr
L'oligoclasio è un minerale de ...... somiglianza con lo spodumene.
@it
La oligoclasa es un mineral de ...... tita, amausita u oligoclasita.
@es
Oligoclase is a rock-forming m ...... shades of grey, green, or red.
@en
Oligoclase ou oligoclásio é um ...... ortita varia de 90:10 a 70:30.
@pt
Oligoklas ist ein sehr häufig ...... ot, grün oder auch vielfarbig.
@de
Oligoklas är ett fältspatminer ...... ikhet i utseende med spodumen.
@sv
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birefringence
caption
Oligoclase from Chihuahua, Mexico
@en
category
class
Pinacoidal
@en
color
usually white, with shades of grey, green, or red.
@en
formula
gravity
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mohs
name
Oligoclase
@en
refractive
nα=1.533–1.543; nβ=1.537–1.548; nγ=1.542–1.552
@en
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En mineralogio, la oligoklazo estas mineralo, parto de la minerala serio plagioklazo.
@eo
Het mineraal oligoklaas of zon ...... Het behoort tot de veldspaten.
@nl
L'oligoclasa és una varietat d ...... ignifica "petits trencaments".
@ca
L'oligoclase est un minéral de ...... t plutôt traitées en cabochon.
@fr
L'oligoclasio è un minerale de ...... somiglianza con lo spodumene.
@it
La oligoclasa es un mineral de ...... omo una variedad de la albita.
@es
Oligoclase is a rock-forming m ...... shades of grey, green, or red.
@en
Oligoclase ou oligoclásio é um ...... ortita varia de 90:10 a 70:30.
@pt
Oligoklas ist ein sehr häufig ...... Varietät von Albit angesehen.
@de
Oligoklas är ett fältspatminer ...... ikhet i utseende med spodumen.
@sv
label
Oligoclasa
@ca
Oligoclasa
@es
Oligoclase
@en
Oligoclase
@fr
Oligoclase
@pt
Oligoclasio
@it
Oligoklaas
@nl
Oligoklas
@de
Oligoklas
@sv
Oligoklaz
@pl
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Oligoclase
@en