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Baddeleyite

Baddeleyite is a rare zirconium oxide mineral (ZrO2 or zirconia), occurring in a variety of monoclinic prismatic crystal forms. It is transparent to translucent, has high indices of refraction, and ranges from colorless to yellow, green, and dark brown. See etymology below.

Measurement, Geologic occurrence & Origin of the name

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2V angle
Measured: 30° to 31°
Birefringence
δ = 0.070
Category
Oxide mineral
Cleavage
{001} distinct
Color
Colorless to yellow, blue, green, greenish or reddish brown, brown, iron-black
Crystal class
Prismatic (2/m) (same H-M symbol)

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Overview

Geologic occurrence

Structure

Composition

Origin of the name

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Map overview Semantic statistics

Baddeleyite

Nodes67
Edges66
Triples93
Avg. degree1.97
Density0.029851
Components1

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Baddeleyite

Top relations

related to Origin of the name · 21
Baddeleyite → After, As, Baddeley, British Geological Survey, Ceylon, Director General, Geikielite, Geological Survey, It, Joseph Baddeley, London, MgTiO3, Mr, Museum, Practical Geology, Pringle, Rakwana, Sir Archibald Geikie, Sri Lanka, Teall
related to Geologic occurrence · 19
Baddeleyite → Associated, Because, Brazil, Canada, Grenville, It, Italy, Jacupiranga, Laramie Anorthosite Complex, Minas Gerais, Nain, Places, Proterozoic, Some, Sri Lanka, Studies, São Paulo, Vico Volcanic Complex, Wyoming
related to Composition · 11
Baddeleyite → Fe, Hf, Higher, MnO2, Similar, SnO2, ThO2, Ti, TiO2, UO2, ZrO2
related to Structure · 7
Baddeleyite → It, Naray Szabo, Originally, P21/c, There, This, ZrO2
related to Physical properties · 3
Baddeleyite → It, Its, P21/c
is a · 2
Baddeleyite → rare zirconium oxide mineral, refractory mineral
2V angle · 1
Baddeleyite → Measured: 30° to 31°
Birefringence · 1
Baddeleyite → δ = 0.070
Category · 1
Baddeleyite → Oxide mineral
Cleavage · 1
Baddeleyite → {001} distinct

Important terminology Word statistics

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Important terminology

mineral rocks found zro2 zircon teall system forms structure group oxide p21 crystal geikielite monoclinic baddeley specimens 100 green brown

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Baddeleyite2V angleMeasured: 30° to 31°1.00infobox
BaddeleyiteBirefringenceδ = 0.0701.00infobox
BaddeleyiteCategoryOxide mineral1.00infobox
BaddeleyiteCleavage{001} distinct1.00infobox
BaddeleyiteColorColorless to yellow, blue, green, greenish or reddish brown, brown, iron-black1.00infobox
BaddeleyiteCrystal classPrismatic (2/m) (same H-M symbol)1.00infobox
BaddeleyiteCrystal habitTabular prismatic, radially fibrous in botryoidal masses1.00infobox
BaddeleyiteCrystal systemMonoclinic1.00infobox
BaddeleyiteDana classification04.04.14.011.00infobox
BaddeleyiteDiaphaneityTransparent to translucent1.00infobox
BaddeleyiteDispersionr > v, rather strong1.00infobox
BaddeleyiteFormulaZirconium dioxide (ZrO2)1.00infobox
BaddeleyiteFractureIrregular uneven to subconchoidal1.00infobox
BaddeleyiteIMA symbolBdy1.00infobox
BaddeleyiteLusterGreasy to vitreous1.00infobox
BaddeleyiteMohs scale hardness6.51.00infobox
BaddeleyiteOptical propertiesBiaxial (–)1.00infobox
BaddeleyiteOther characteristicsBlue-green cathodoluminescence1.00infobox
BaddeleyitePleochroismX = yellow, reddish brown, oil-green; Y = oil-green, reddish brown; Z = brown, light brown1.00infobox
BaddeleyiteRefractive indexnα = 2.130 nβ = 2.190 nγ = 2.2001.00infobox
BaddeleyiteSpace groupP21/c1.00infobox
BaddeleyiteSpecific gravity5.5–61.00infobox
BaddeleyiteStreakWhite1.00infobox
BaddeleyiteStrunz classification4.DE.351.00infobox
BaddeleyiteTenacityBrittle1.00infobox
BaddeleyiteTwinningUbiquitous polysynthetic on {100} and {110}1.00infobox
BaddeleyiteUnit cella = 5.1505 Å, b = 5.2116 Å, c = 5.3173 Å, β = 99.23°; Z = 41.00infobox
Baddeleyiteis arare zirconium oxide mineral0.90text
Baddeleyiteis arefractory mineral0.90text

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