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Spertiniite

Spertiniite is a rare copper hydroxide mineral. Chemically, it is copper(II) hydroxide with the formula Cu(OH)2. It occurs as blue to blue-green tabular orthorhombic crystal aggregates in a secondary alkaline environment altering chalcocite. Associated minerals include chalcocite, atacamite, native copper, diopside, grossular, and vesuvianite.

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Category
Oxide mineral
Cleavage
None
Color
Blue, blue-green
Crystal class
Pyramidal (mm2) H-M symbol: (mm2)
Crystal habit
Flat tabular crystals occurring in radial to botryoidal aggregates
Crystal system
Orthorhombic

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Overview

Discovery and occurrence

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Spertiniite

Nodes35
Edges34
Triples45
Avg. degree1.94
Density0.057143
Components1

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Spertiniite

Top relations

related to Discovery and occurrence · 22
Spertiniite → Arizona, Astfeld, Bisbee, Cochise County, Dzhezkazgan, Ely, Francesco Spertini, Germany, Harz Mountains, In, It, Jeffrey Mine, Johns-Manville, Juliushutte, Kazakhstan, Mont Saint-Hilaire, Namibia, Nevada, Quebec, Tsumeb
Category · 1
Spertiniite → Oxide mineral
Cleavage · 1
Spertiniite → None
Color · 1
Spertiniite → Blue, blue-green
Crystal class · 1
Spertiniite → Pyramidal (mm2) H-M symbol: (mm2)
Crystal habit · 1
Spertiniite → Flat tabular crystals occurring in radial to botryoidal aggregates
Crystal system · 1
Spertiniite → Orthorhombic
Dana classification · 1
Spertiniite → 6.2.4.1
Diaphaneity · 1
Spertiniite → Transparent
Formula · 1
Spertiniite → Cu(OH)2

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Important terminology

copper mineral hydroxide chalcocite blue orthorhombic formula blue-green cu oh tabular crystal aggregates references kazakhstan occurrence quebec dzhezkazgan water alkaline

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
SpertiniiteCategoryOxide mineral1.00infobox
SpertiniiteCleavageNone1.00infobox
SpertiniiteColorBlue, blue-green1.00infobox
SpertiniiteCrystal classPyramidal (mm2) H-M symbol: (mm2)1.00infobox
SpertiniiteCrystal habitFlat tabular crystals occurring in radial to botryoidal aggregates1.00infobox
SpertiniiteCrystal systemOrthorhombic1.00infobox
SpertiniiteDana classification6.2.4.11.00infobox
SpertiniiteDiaphaneityTransparent1.00infobox
SpertiniiteFormulaCu(OH)21.00infobox
SpertiniiteFormula mass97.56 g/mol1.00infobox
SpertiniiteIMA symbolSni1.00infobox
SpertiniiteLusterVitreous1.00infobox
SpertiniiteMohs scale hardnessSoft1.00infobox
SpertiniiteOptical propertiesBiaxial1.00infobox
SpertiniiteOther characteristicsDecomposes in hot water (synthetic)1.00infobox
SpertiniitePleochroismStrong; X = colorless; Z = dark blue1.00infobox
SpertiniiteRefractive indexnα = 1.720, nβ= n.d., nγ = > 1.8001.00infobox
SpertiniiteSpace groupCmc211.00infobox
SpertiniiteSpecific gravity3.931.00infobox
SpertiniiteStrunz classification4.FD.051.00infobox
SpertiniiteTenacityBrittle1.00infobox
SpertiniiteUnit cella = 2.95 Å, b = 10.59 Å c = 5.27 Å; Z = 41.00infobox
Spertiniiteis arare copper hydroxide mineral0.90text

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