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Axinite

Axinite is a brown to violet-brown, or reddish-brown bladed group of minerals composed of calcium aluminium boro-silicate, (Ca,Fe,Mn)3Al2BO3Si4O12OH. Axinite is pyroelectric and piezoelectric.

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Birefringence
δ = 0.011
Category
Cyclosilicates
Cleavage
Good on {100}
Color
Reddish brown to yellow to colorless. Blue, violet, grey.
Crystal class
Pinacoidal (1) (same H-M symbol)
Crystal habit
Tabular, wedge shaped crystals

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Gallery

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Axinite

Nodes15
Edges14
Triples31
Avg. degree1.87
Density0.133333
Components1

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Axinite

Top relations

related to Gallery · 11
Axinite → Clove-brown, Dalnegorsk, Kalahari, Mn, Northern Cape Province, Russia, RussiaChloritized, South AfricaManganaxinite, Swiss AlpsTinzenite, Wessels Mine, West Bor Pit
Birefringence · 1
Axinite → δ = 0.011
Category · 1
Axinite → Cyclosilicates
Cleavage · 1
Axinite → Good on {100}
Color · 1
Axinite → Reddish brown to yellow to colorless. Blue, violet, grey.
Crystal class · 1
Axinite → Pinacoidal (1) (same H-M symbol)
Crystal habit · 1
Axinite → Tabular, wedge shaped crystals
Crystal system · 1
Axinite → Triclinic
Formula · 1
Axinite → .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-suspan{display:block;text-align:l…
Fracture · 1
Axinite → Conchoidal

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Important terminology

mn brown group fe manganaxinite crystals ca 3al2bo3si4o12oh oh blue violet yellow references bladed axinite- clove-brown manganese tinzenite crystal dalnegorsk

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
AxiniteBirefringenceδ = 0.0111.00infobox
AxiniteCategoryCyclosilicates1.00infobox
AxiniteCleavageGood on {100}1.00infobox
AxiniteColorReddish brown to yellow to colorless. Blue, violet, grey.1.00infobox
AxiniteCrystal classPinacoidal (1) (same H-M symbol)1.00infobox
AxiniteCrystal habitTabular, wedge shaped crystals1.00infobox
AxiniteCrystal systemTriclinic1.00infobox
AxiniteFormula.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
AxiniteFractureConchoidal1.00infobox
AxiniteIMA symbolAx1.00infobox
AxiniteLusterVitreous1.00infobox
AxiniteMohs scale hardness6.0–7.51.00infobox
AxiniteOptical propertiesBiaxial (−)1.00infobox
AxinitePleochroismStrong1.00infobox
AxiniteRefractive indexnα = 1.672–1.693 nβ = 1.677–1.701 nγ = 1.681–1.7041.00infobox
AxiniteSpace groupP11.00infobox
AxiniteSpecific gravity3.18–3.371.00infobox
AxiniteStreakWhite1.00infobox
AxiniteStrunz classification9.BD.201.00infobox
Axiniteis abrown to violet-brown0.90text

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