Thénardite

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Overview

Sodium sulfate Evaporite Lakes Playas Caves

16 related topics

Gallery

Soda Lake, California Boron, California

2 related topics

Key facts & relationships

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2V angle: 83°
Birefringence: δ = 0.013
Category: Sulfate mineral
Cleavage: {010} perfect, {101} fair, {100} incomplete
Color: White, grayish white, yellowish white, reddish white, brownish white
Crystal class: Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)

Topics to explore

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Overview

Gallery

Soda Lake, California Soda Lake (San Luis Obispo County)
Boron, California

Advanced semantic analysis

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Map overview Semantic statistics

Nodes21

Edges20

Triples36

Avg. degree1.9

Density0.095238

Components1

How this topic connects Entity context

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Thénardite

Top relations

related to Gallery · 7

Thénardite → Boron, California, Cluster, Crystal, Soda Lake, Tan, Width

2V angle · 1

Thénardite → 83°

Birefringence · 1

Thénardite → δ = 0.013

Category · 1

Thénardite → Sulfate mineral

Cleavage · 1

Thénardite → {010} perfect, {101} fair, {100} incomplete

Color · 1

Thénardite → White, grayish white, yellowish white, reddish white, brownish white

Crystal class · 1

Thénardite → Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)

Crystal habit · 1

Thénardite → Forms crust-like prismatic aggregates on matrix

Crystal system · 1

Thénardite → Orthorhombic

Diaphaneity · 1

Thénardite → Transparent

Important terminology Word statistics

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Important terminology

mineral occurs na2so4 white caves system orthorhombic crystals chemist casaseca fluorescent uv mirabilite sulfate also forms yellowish reddish prismatic yellow-green

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Thénardite	2V angle	83°	1.00	infobox
Thénardite	Birefringence	δ = 0.013	1.00	infobox
Thénardite	Category	Sulfate mineral	1.00	infobox
Thénardite	Cleavage	{010} perfect, {101} fair, {100} incomplete	1.00	infobox
Thénardite	Color	White, grayish white, yellowish white, reddish white, brownish white	1.00	infobox
Thénardite	Crystal class	Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)	1.00	infobox
Thénardite	Crystal habit	Forms crust-like prismatic aggregates on matrix	1.00	infobox
Thénardite	Crystal system	Orthorhombic	1.00	infobox
Thénardite	Diaphaneity	Transparent	1.00	infobox
Thénardite	Formula	Na2SO4	1.00	infobox
Thénardite	Formula mass	142.04 g/mol	1.00	infobox
Thénardite	Fracture	Splintery, uneven, hackly	1.00	infobox
Thénardite	IMA symbol	Thn	1.00	infobox
Thénardite	Luster	Vitreous to resinous	1.00	infobox
Thénardite	Mohs scale hardness	2.5	1.00	infobox
Thénardite	Optical properties	Biaxial (+)	1.00	infobox
Thénardite	Other characteristics	Salty taste	1.00	infobox
Thénardite	Pleochroism	none	1.00	infobox
Thénardite	Refractive index	nα = 1.471, nβ = 1.477, nγ = 1.484	1.00	infobox
Thénardite	Solubility	Soluble in water	1.00	infobox
Thénardite	Space group	Fddd	1.00	infobox
Thénardite	Specific gravity	2.67–2.7, average = 2.68	1.00	infobox
Thénardite	Streak	White	1.00	infobox
Thénardite	Strunz classification	7.AC.25	1.00	infobox
Thénardite	Tenacity	Brittle	1.00	infobox
Thénardite	Twinning	Interpenetration twinning on {001}; also on {100}; common on {110}; {011}	1.00	infobox
Thénardite	Ultraviolet fluorescence	Fluorescent and phosphorescent: short UV=bright white, long UV=yellow-green	1.00	infobox
Thénardite	Unit cell	a = 5.86 Å, b = 12.3 Å c = 9.82 Å; Z = 8	1.00	infobox
Thénardite	is a	anhydrous sodium sulfate mineral	0.90	text

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