Leucite

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Overview

Rock Mineral Feldspathoid Potassium Aluminium

20 related topics

Key facts & relationships

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Birefringence: δ = 0.001
Category: Tectosilicate minerals
Cleavage: Poor on {110}
Color: White to grey
Crystal class: Dipyramidal (4/m) (same H-M symbol)
Crystal habit: Commonly as euhedral, pseudocubic crystals; rarely granular, massive

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Overview

Advanced semantic analysis

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Map overview Semantic statistics

Nodes22

Edges21

Triples33

Avg. degree1.91

Density0.090909

Components1

How this topic connects Entity context

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Leucite

Top relations

related to References · 10

Leucite → Cambridge University Press, Encyclopædia Britannica, Hugh, In Chisholm, John Flett, Leonard James, Spencer, The, This, Vol

Birefringence · 1

Leucite → δ = 0.001

Category · 1

Leucite → Tectosilicate minerals

Cleavage · 1

Leucite → Poor on {110}

Color · 1

Leucite → White to grey

Crystal class · 1

Leucite → Dipyramidal (4/m) (same H-M symbol)

Crystal habit · 1

Leucite → Commonly as euhedral, pseudocubic crystals; rarely granular, massive

Crystal system · 1

Leucite → Tetragonal

Diaphaneity · 1

Leucite → Transparent to translucent

Formula · 1

Leucite → KAlSi2O6

Important terminology Word statistics

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Important terminology

crystals mineral optically white feldspathoid tectosilicate tetragonal form isotropic pseudo-cubic character twin-lamellae striations become name group kalsi2o6 system optical commonly

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Leucite	Birefringence	δ = 0.001	1.00	infobox
Leucite	Category	Tectosilicate minerals	1.00	infobox
Leucite	Cleavage	Poor on {110}	1.00	infobox
Leucite	Color	White to grey	1.00	infobox
Leucite	Crystal class	Dipyramidal (4/m) (same H-M symbol)	1.00	infobox
Leucite	Crystal habit	Commonly as euhedral, pseudocubic crystals; rarely granular, massive	1.00	infobox
Leucite	Crystal system	Tetragonal	1.00	infobox
Leucite	Diaphaneity	Transparent to translucent	1.00	infobox
Leucite	Formula	KAlSi2O6	1.00	infobox
Leucite	Fracture	Conchoidal	1.00	infobox
Leucite	Group	Feldspathoid group	1.00	infobox
Leucite	IMA symbol	Lct	1.00	infobox
Leucite	Luster	Vitreous	1.00	infobox
Leucite	Mohs scale hardness	5.5–6	1.00	infobox
Leucite	Optical properties	Uniaxial (+)	1.00	infobox
Leucite	Refractive index	nω = 1.508 nε = 1.509	1.00	infobox
Leucite	Space group	I41/a	1.00	infobox
Leucite	Specific gravity	2.45–2.50	1.00	infobox
Leucite	Streak	White	1.00	infobox
Leucite	Strunz classification	9.GB.05	1.00	infobox
Leucite	Tenacity	Brittle	1.00	infobox
Leucite	Twinning	Common and repeated on {110} and {101}	1.00	infobox
Leucite	Unit cell	a = 13.056, c = 13.751 [Å]; Z = 16	1.00	infobox

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