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Connellite

Connellite is a rare mineral species, a hydrous copper chloro-sulfate, Cu19(OH)32(SO4)Cl4·3H2O, crystallizing in the hexagonal system. It occurs as tufts of very delicate acicular crystals of a fine blue color, and is associated with other copper minerals of secondary origin, such as cuprite and malachite. Its occurrence in Cornwall, England was noted by…

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Overview

MineralHydrousCopperChloroSulfate
21 related topics

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Birefringence
δ = 0.014
Category
Halide mineral
Cleavage
None
Color
Azure blue, blue green
Crystal class
Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m)
Crystal habit
Clusters of divergent acicular crystals, fibrous, crusts

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Connellite

Nodes23
Edges22
Triples22
Avg. degree1.91
Density0.086957
Components1

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Connellite

Top relations

Birefringence · 1
Connellite → δ = 0.014
Category · 1
Connellite → Halide mineral
Cleavage · 1
Connellite → None
Color · 1
Connellite → Azure blue, blue green
Crystal class · 1
Connellite → Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m)
Crystal habit · 1
Connellite → Clusters of divergent acicular crystals, fibrous, crusts
Crystal system · 1
Connellite → Hexagonal
Diaphaneity · 1
Connellite → Translucent
Formula · 1
Connellite → Cu19(OH)32(SO4)Cl4·3H2O
Fracture · 1
Connellite → Splintery

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Important terminology

cornwall copper hexagonal mineral cu19 oh 32 so4 cl4 3h2o system acicular crystals blue color references hydrous crystallizing cuprite malachite

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
ConnelliteBirefringenceδ = 0.0141.00infobox
ConnelliteCategoryHalide mineral1.00infobox
ConnelliteCleavageNone1.00infobox
ConnelliteColorAzure blue, blue green1.00infobox
ConnelliteCrystal classDihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m)1.00infobox
ConnelliteCrystal habitClusters of divergent acicular crystals, fibrous, crusts1.00infobox
ConnelliteCrystal systemHexagonal1.00infobox
ConnelliteDiaphaneityTranslucent1.00infobox
ConnelliteFormulaCu19(OH)32(SO4)Cl4·3H2O1.00infobox
ConnelliteFractureSplintery1.00infobox
ConnelliteIMA symbolCnl1.00infobox
ConnelliteLusterVitreous1.00infobox
ConnelliteMohs scale hardness31.00infobox
ConnelliteOptical propertiesUniaxial (+)1.00infobox
ConnelliteRefractive indexnω = 1.724 – 1.746 nε = 1.738 – 1.7581.00infobox
ConnelliteSpace groupP63/mmc1.00infobox
ConnelliteSpecific gravity3.36 to 3.411.00infobox
ConnelliteStreakPale green-blue1.00infobox
ConnelliteStrunz classification3.DA.251.00infobox
ConnelliteTenacityBrittle1.00infobox
ConnelliteUnit cella = 15.78 Å, c = 9.10 Å; Z = 11.00infobox
Connelliteis arare mineral species0.90text

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