Hectorite

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Overview

Lithium Clay mineral Hector, California San Bernardino County, California Barstow

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Key facts & relationships

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Birefringence: δ = 0.030
Category: Phyllosilicate minerals
Cleavage: Perfect
Color: White, cream, pale brown, mottled
Crystal class: Prismatic (2/m) (same H-M symbol)
Crystal habit: Thin laths and aggregates

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Overview

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Map overview Semantic statistics

Nodes17

Edges16

Triples22

Avg. degree1.88

Density0.117647

Components1

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Hectorite

Top relations

Birefringence · 1

Hectorite → δ = 0.030

Category · 1

Hectorite → Phyllosilicate minerals

Cleavage · 1

Hectorite → Perfect

Color · 1

Hectorite → White, cream, pale brown, mottled

Crystal class · 1

Hectorite → Prismatic (2/m) (same H-M symbol)

Crystal habit · 1

Hectorite → Thin laths and aggregates

Crystal system · 1

Hectorite → Monoclinic

Diaphaneity · 1

Hectorite → Translucent to opaque

Formula · 1

Hectorite → Na0.3(Mg,Li)3Si4O10(OH)2 (empirical: Na3(Mg,Li)30Si40O100(OH)20)

Fracture · 1

Hectorite → Uneven

Important terminology Word statistics

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Important terminology

mineral lithium clay deposit also smectite group chemical hector found large thacker pass source white formula na0 mg li 3si4o10

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Hectorite	Birefringence	δ = 0.030	1.00	infobox
Hectorite	Category	Phyllosilicate minerals	1.00	infobox
Hectorite	Cleavage	Perfect	1.00	infobox
Hectorite	Color	White, cream, pale brown, mottled	1.00	infobox
Hectorite	Crystal class	Prismatic (2/m) (same H-M symbol)	1.00	infobox
Hectorite	Crystal habit	Thin laths and aggregates	1.00	infobox
Hectorite	Crystal system	Monoclinic	1.00	infobox
Hectorite	Diaphaneity	Translucent to opaque	1.00	infobox
Hectorite	Formula	Na0.3(Mg,Li)3Si4O10(OH)2 (empirical: Na3(Mg,Li)30Si40O100(OH)20)	1.00	infobox
Hectorite	Fracture	Uneven	1.00	infobox
Hectorite	Group	Smectite group	1.00	infobox
Hectorite	IMA symbol	Htr	1.00	infobox
Hectorite	Luster	Earthy to waxy	1.00	infobox
Hectorite	Mohs scale hardness	1–2	1.00	infobox
Hectorite	Optical properties	Biaxial (−) – 2V small	1.00	infobox
Hectorite	Refractive index	nα = 1.490 nβ = 1.500 nγ = 1.520	1.00	infobox
Hectorite	Space group	C2/m	1.00	infobox
Hectorite	Specific gravity	2–3	1.00	infobox
Hectorite	Streak	White	1.00	infobox
Hectorite	Strunz classification	9.EC.45	1.00	infobox
Hectorite	Unit cell	a = 5.25 Å, b = 9.18 Å c = 16 Å; β = 99°; Z = 2	1.00	infobox
Hectorite	is a	rare soft	0.90	text

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