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Anglesite

Anglesite is a lead sulfate mineral with the chemical formula PbSO4. It occurs as an oxidation product of primary lead sulfide ore, galena. Anglesite occurs as prismatic orthorhombic crystals and earthy masses, and is isomorphous with barite and celestine. It contains 74% of lead by mass and therefore has a high specific gravity of 6.3. Anglesite's color…

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2V angle
75° (measured), 68° (calculated)
Category
Sulfate minerals
Cleavage
good, distinct
Color
Colorless to white, commonly tinted gray; orange, yellow, green, blue, rarely violet
Crystal class
Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Crystal habit
Granular, banded, nodular to stalactitic

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Anglesite

Nodes24
Edges23
Triples29
Avg. degree1.92
Density0.083333
Components1

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Anglesite

Top relations

related to Gallery · 5
Anglesite → Carbonia-Iglesias Province, Iglesias, Monteponi Mine, Morocco, Touissit District
is a · 2
Anglesite → lead sulfate mineral with the chemical formula PbSO4, mineral of secondary origin
2V angle · 1
Anglesite → 75° (measured), 68° (calculated)
Category · 1
Anglesite → Sulfate minerals
Cleavage · 1
Anglesite → good, distinct
Color · 1
Anglesite → Colorless to white, commonly tinted gray; orange, yellow, green, blue, rarely violet
Crystal class · 1
Anglesite → Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
Crystal habit · 1
Anglesite → Granular, banded, nodular to stalactitic
Crystal system · 1
Anglesite → Orthorhombic
Dana classification · 1
Anglesite → 28.3.1.3

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Important terminology

crystals lead galena mineral occurs faces monteponi gray distinct orthorhombic ore barite anglesey sulfate oxidation masses isomorphous species found usually

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Anglesite2V angle75° (measured), 68° (calculated)1.00infobox
AnglesiteCategorySulfate minerals1.00infobox
AnglesiteCleavagegood, distinct1.00infobox
AnglesiteColorColorless to white, commonly tinted gray; orange, yellow, green, blue, rarely violet1.00infobox
AnglesiteCrystal classDipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)1.00infobox
AnglesiteCrystal habitGranular, banded, nodular to stalactitic1.00infobox
AnglesiteCrystal systemOrthorhombic1.00infobox
AnglesiteDana classification28.3.1.31.00infobox
AnglesiteDiaphaneityTransparent to translucent1.00infobox
AnglesiteFormulaPbSO41.00infobox
AnglesiteFractureConchoidal1.00infobox
AnglesiteFusibility1.51.00infobox
AnglesiteIMA symbolAng1.00infobox
AnglesiteLusterAdamantine crystals, dull when massive earthy1.00infobox
AnglesiteMohs scale hardness2.5–3.01.00infobox
AnglesiteOptical propertiesBiaxial (+)1.00infobox
AnglesiteRefractive indexnα = 1.878 nβ = 1.883 nγ = 1.8951.00infobox
AnglesiteSpace groupPnma1.00infobox
AnglesiteSpecific gravity6.31.00infobox
AnglesiteStreakWhite1.00infobox
AnglesiteStrunz classification7.AD.351.00infobox
AnglesiteTenacityBrittle1.00infobox
Anglesiteis alead sulfate mineral with the chemical formula PbSO40.90text
Anglesiteis amineral of secondary origin0.90text

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