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Grossular

Grossular is a calcium-aluminium species of the garnet group of minerals. It has the chemical formula of Ca3Al2(SiO4)3 but the calcium may, in part, be replaced by ferrous iron and the aluminium by ferric iron. The name grossular is derived from the botanical name for the gooseberry, grossularia, in reference to the green garnet of this composition that…

Culture & Art

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Absorption spectra
Hessonite sometimes shows bands at 407 and 430 nm
Birefringence
none
Category
Nesosilicate
Cleavage
none
Color
light to dark green, light to dark yellow to reddish brown, brown, orange, red, yellow, green, white, occasionally translucent to opaque pink. It is also but rarely found in col…
Crystal class
Hexoctahedral (m3m) H-M Symbol: (4/m 3 2/m)

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Overview

Hessonite

Deposits

Cultural significance

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Map overview Semantic statistics

Grossular

Nodes50
Edges49
Triples47
Avg. degree1.96
Density0.04
Components1

How this topic connects Entity context

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Grossular

Top relations

related to Cultural significance · 8
Grossular → Color, Group, In, National Museum, Natural History Washington, Quebec, Val-des-Sources, Vermont
related to Hessonite · 6
Grossular → Ancient Greek, Ca3Al2Si3O12, Hessonite, It, Sir Arthur Herbert Church, The
related to Deposits · 4
Grossular → Kenya, Tanzania, This, Tsavo
is a · 2
Grossular → calcium-aluminium species of the garnet group of minerals, gemstone.In geological literature
Absorption spectra · 1
Grossular → Hessonite sometimes shows bands at 407 and 430 nm
Birefringence · 1
Grossular → none
Category · 1
Grossular → Nesosilicate
Cleavage · 1
Grossular → none
Color · 1
Grossular → light to dark green, light to dark yellow to reddish brown, brown, orange, red, yellow, green, white, occasionally translucent to opaque pink. It is also but rarely found in col…
Crystal class · 1
Grossular → Hexoctahedral (m3m) H-M Symbol: (4/m 3 2/m)

Important terminology Word statistics

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Important terminology

garnet green found hessonite variety yellow brown group grossularite also formula species name red mineral light orange translucent zircon siberia

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
GrossularAbsorption spectraHessonite sometimes shows bands at 407 and 430 nm1.00infobox
GrossularBirefringencenone1.00infobox
GrossularCategoryNesosilicate1.00infobox
GrossularCleavagenone1.00infobox
GrossularColorlight to dark green, light to dark yellow to reddish brown, brown, orange, red, yellow, green, white, occasionally translucent to opaque pink. It is also but rarely found in col…1.00infobox
GrossularCrystal classHexoctahedral (m3m) H-M Symbol: (4/m 3 2/m)1.00infobox
GrossularCrystal systemCubic1.00infobox
GrossularDispersion.0281.00infobox
GrossularFormulaCa3Al2(SiO4)31.00infobox
GrossularFractureconchoidal to uneven1.00infobox
GrossularHessoniteyellow-red to reddish-orange1.00infobox
GrossularIMA symbolGrs1.00infobox
GrossularLeuco-garnettransparent and colorless1.00infobox
GrossularLustergreasy to vitreous1.00infobox
GrossularMohs scale hardness6.5 to 71.00infobox
GrossularOptical propertiesSingle refractive, often anomalous double refractive1.00infobox
GrossularPleochroismnone1.00infobox
GrossularPolish lustervitreous1.00infobox
GrossularRefractive index1.740 (+.12/−.04)1.00infobox
GrossularRosolitetranslucent to opaque pink grossularite crystals in marble from Mexico1.00infobox
GrossularSpace groupIa3d1.00infobox
GrossularSpecific gravity3.61 (+.15/−.04)1.00infobox
GrossularStreakBrown1.00infobox
GrossularStrunz classification9.AD.251.00infobox
GrossularTsavoriteintense green to yellowish green1.00infobox
GrossularUltraviolet fluorescencenear colorless to light green – inert to weak orange in longwave and weak yellow-orange in shortwave; yellow – inert to weak orange in longwave and shortwave1.00infobox
Grossularis acalcium-aluminium species of the garnet group of minerals0.90text
Grossularis agemstone.In geological literature0.90text

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