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Feldspar

Feldspar (/ˈfɛl(d).

Applications, Compositions & Gallery

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Key facts & relationships

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Birefringence
first order
Category
Tectosilicate minerals
Cleavage
two or three at 90 degree
Color
pink, white, grey, brown, blue
Crystal system
Triclinic or monoclinic
Density
2.56

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Overview

Etymology

Compositions

Structure

Weathering

Applications

Production

Extraterrestrial

Gallery

Advanced semantic analysis

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Map overview Semantic statistics

Feldspar

Nodes99
Edges98
Triples130
Avg. degree1.98
Density0.020202
Components1

How this topic connects Entity context

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Feldspar

Top relations

related to Gallery · 17
Feldspar → Apollo, Collected, Curiosity, Descartes Crater, Lunar, Lunar Highlands, Martian, MexicoA, National Museum, Natural History, October, Rocknest, Sonora, Specimen, This, Washington, X-ray
related to Plagioclase feldspars · 13
Feldspar → Al, AlSi2O8andesine, AlSi2O8anorthite, Ca, CaAl, CaAl2Si2O8, Na, NaAlSi, NaAlSi3O8oligoclase, NaSi, Si, Si2O8bytownite, The
related to External links · 10
Feldspar → Cambridge University Press, Encyclopædia Britannica, Felspar, Hugh, Media, Mineral Commodity Summaries, Nepheline Syenite, Vol, Wikimedia CommonsChisholm, Wiktionary-logo-en-v2
has application · 9
Feldspar → Al2O3, As, CaO, Ceramics, Glass, In, K2O, Na2O, US
related to Etymology · 9
Feldspar → English, Feld, Feldspat, Feldspathic, German Feldspat, René-Just Haüy, Spat, The, Urban Brückmann
related to Weathering · 8
Feldspar → About, Chemical, Dissolved, Earth's, Hydrolysis, OH, The, They
related to Alkali feldspars · 7
Feldspar → Alkali, AlSi3O8, AlSi3O8microcline, KAlSi3O8anorthoclase, KAlSi3O8sanidine, Na, The
related to References · 7
Feldspar → Lock-gray-alt-2, Lock-green, Lock-red-alt-2, PDF, This, United States Geological Survey, Wikisource-logo
related to Compositions · 5
Feldspar → CaAl2Si2O8, Compositions, KAlSi3O8albite, NaAlSi3O8anorthite, The
related to Production · 5
Feldspar → China, India, Italy, The USGS, Turkey

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Important terminology

feldspars plagioclase minerals alkali also rock common albite rocks barium group used potassium structure mineral anorthite compositions weathering ions ceramics

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
FeldsparBirefringencefirst order1.00infobox
FeldsparCategoryTectosilicate minerals1.00infobox
FeldsparCleavagetwo or three at 90 degree1.00infobox
FeldsparColorpink, white, grey, brown, blue1.00infobox
FeldsparCrystal systemTriclinic or monoclinic1.00infobox
FeldsparDensity2.561.00infobox
FeldsparDiaphaneityopaque1.00infobox
FeldsparFormulaKAlSi 3O 8 – NaAlSi 3O 8 – CaAl 2Si 2O 81.00infobox
FeldsparFracturealong cleavage planes1.00infobox
FeldsparIMA statusMineral group1.00infobox
FeldsparIMA symbolFsp1.00infobox
FeldsparLustervitreous1.00infobox
FeldsparMohs scale hardness6.0–6.51.00infobox
FeldsparOther characteristicsexsolution lamellae common1.00infobox
FeldsparPleochroismnone1.00infobox
FeldsparRefractive index1.518–1.5261.00infobox
FeldsparSpecific gravity2.55–2.761.00infobox
FeldsparStreakwhite1.00infobox
Feldsparis afinal feldspar to crystallize from the magma.Alkali feldsparsAlkali feldspars are grouped into two types0.90text

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