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Greenockite

Greenockite, also cadmium blende or cadmium ochre (obsolete) is a rare cadmium bearing metal sulfide mineral consisting of cadmium sulfide (CdS) in crystalline form. Greenockite crystallizes in the hexagonal system. It occurs as massive encrustations and as hemimorphic six-sided pyramidal crystals which vary in color from a honey yellow through shades of…

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Birefringence
δ = 0.023
Category
Sulfide mineral
Cleavage
Distinct on {1122}, imperfect on {0001}
Color
Honey yellow, citron yellow, orange yellow
Crystal class
Dihexagonal pyramidal (6mm) (same H-M symbol)
Crystal habit
Colloform – forming from a gel or colloidal mass; encrustations – forms crust-like aggregates on matrix; radial – crystals radiate from a center without producing stellar forms…

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Greenockite

Nodes20
Edges19
Triples35
Avg. degree1.9
Density0.1
Components1

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Greenockite

Top relations

related to External links · 3
Greenockite → Media, Wikimedia Commons, Wiktionary-logo-en-v2
related to Use · 2
Greenockite → NiCd, The
Birefringence · 1
Greenockite → δ = 0.023
Category · 1
Greenockite → Sulfide mineral
Cleavage · 1
Greenockite → Distinct on {1122}, imperfect on {0001}
Color · 1
Greenockite → Honey yellow, citron yellow, orange yellow
Crystal class · 1
Greenockite → Dihexagonal pyramidal (6mm) (same H-M symbol)
Crystal habit · 1
Greenockite → Colloform – forming from a gel or colloidal mass; encrustations – forms crust-like aggregates on matrix; radial – crystals radiate from a center without producing stellar forms…
Crystal system · 1
Greenockite → Hexagonal
Diaphaneity · 1
Greenockite → Nearly opaque to translucent

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Important terminology

cadmium mineral also yellow sulfide sphalerite hexagonal occurs isostructural temperatures greenock rare cds system encrustations pyramidal crystals color honey red

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
GreenockiteBirefringenceδ = 0.0231.00infobox
GreenockiteCategorySulfide mineral1.00infobox
GreenockiteCleavageDistinct on {1122}, imperfect on {0001}1.00infobox
GreenockiteColorHoney yellow, citron yellow, orange yellow1.00infobox
GreenockiteCrystal classDihexagonal pyramidal (6mm) (same H-M symbol)1.00infobox
GreenockiteCrystal habitColloform – forming from a gel or colloidal mass; encrustations – forms crust-like aggregates on matrix; radial – crystals radiate from a center without producing stellar forms…1.00infobox
GreenockiteCrystal systemHexagonal1.00infobox
GreenockiteDiaphaneityNearly opaque to translucent1.00infobox
GreenockiteFormulaCdS1.00infobox
GreenockiteFormula mass144.481.00infobox
GreenockiteFractureConchoidal1.00infobox
GreenockiteIMA symbolGnk1.00infobox
GreenockiteJmol .mw-parser-output .nobold{font-weight:normal}(3D)Interactive image1.00infobox
GreenockiteLusterAdamantine to resinous1.00infobox
GreenockiteMohs scale hardness3.0–3.51.00infobox
GreenockiteOptical propertiesUniaxial (−)1.00infobox
GreenockiteOther characteristicsToxic1.00infobox
GreenockitePleochroismWeak1.00infobox
GreenockiteRefractive indexnω = 2.529 nε = 2.5061.00infobox
GreenockiteSpace groupP63mc1.00infobox
GreenockiteSpecific gravity4.8–4.91.00infobox
GreenockiteStreakYellow orange to brick red1.00infobox
GreenockiteStrunz classification2.CB.451.00infobox
GreenockiteTenacityBrittle1.00infobox
GreenockiteTwinningRare on {1122} forming trillings1.00infobox
GreenockiteUltraviolet fluorescenceyellow-orange fluorescence under UV when rich in zinc[citation needed]1.00infobox
GreenockiteUnit cella = 4.136 c = 6.713 [Å]; Z = 21.00infobox

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