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Illite

Illite, also called hydromica or hydromuscovite, is a group of closely related non-expanding clay minerals. Illite is a secondary mineral precipitate, and an example of a phyllosilicate, or layered alumino-silicate. Its structure is a 2:1 sandwich of silica tetrahedron (T) – alumina octahedron (O) – silica tetrahedron (T) layers. The space between this…

Overview & Illite crystallinity

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Overview

29 related topics

Illite crystallinity

1 related topics

Key facts & relationships

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Category
Phyllosilicate minerals
Cleavage
{001} Perfect
Color
Grey-white to silvery-white, greenish-gray
Crystal class
Prismatic (2/m) (same H-M symbol)
Crystal habit
Micaceous aggregates
Crystal system
Monoclinic

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Overview

Illite crystallinity

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Map overview Semantic statistics

Illite

Nodes33
Edges32
Triples26
Avg. degree1.94
Density0.060606
Components1

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Illite

Top relations

related to External links · 3
Illite → Media, Wikimedia Commons, Wiktionary-logo-en-v2
related to Illite crystallinity · 2
Illite → The, With
Category · 1
Illite → Phyllosilicate minerals
Cleavage · 1
Illite → {001} Perfect
Color · 1
Illite → Grey-white to silvery-white, greenish-gray
Crystal class · 1
Illite → Prismatic (2/m) (same H-M symbol)
Crystal habit · 1
Illite → Micaceous aggregates
Crystal system · 1
Illite → Monoclinic
Dana classification · 1
Illite → 71.02.02d.02
Diaphaneity · 1
Illite → Translucent

Important terminology Word statistics

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Important terminology

muscovite group potassium phyllosilicate monoclinic layers occurs small x-ray analysis may sediments described illinois variety mw-parser-output minerals space formula h3o

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
IlliteCategoryPhyllosilicate minerals1.00infobox
IlliteCleavage{001} Perfect1.00infobox
IlliteColorGrey-white to silvery-white, greenish-gray1.00infobox
IlliteCrystal classPrismatic (2/m) (same H-M symbol)1.00infobox
IlliteCrystal habitMicaceous aggregates1.00infobox
IlliteCrystal systemMonoclinic1.00infobox
IlliteDana classification71.02.02d.021.00infobox
IlliteDiaphaneityTranslucent1.00infobox
IlliteFormula.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:l…1.00infobox
IlliteGroupMica group, dioctahedral mica group1.00infobox
IlliteIMA statusVariety of muscovite1.00infobox
IlliteIMA symbolIlt1.00infobox
IlliteLusterPearly to dull1.00infobox
IlliteMohs scale hardness1–21.00infobox
IlliteOptical propertiesBiaxial (−)1.00infobox
IlliteRefractive indexnα = 1.535 – 1.570 nβ = 1.555 – 1.600 nγ = 1.565 – 1.6051.00infobox
IlliteSpace groupC2/m (no. 12)1.00infobox
IlliteSpecific gravity2.6–2.91.00infobox
IlliteStreakwhite1.00infobox
IlliteStrunz classification9.EC.601.00infobox
Illiteis asecondary mineral precipitate0.90text

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