Mineralienatlas - Fossilienatlas
Kröhnkite |
Pictures (15 Images total)
Views (Image: 1129565280): 2515 |
Kröhnkit |
Größe: 54x36x24 mm; Fundort: Chuquicamata Mine, Calama, Provinz Antofagasta, Chile |
Copyright: | Rob Lavinsky |
Contribution: slugslayer 2005-10-17 |
Locality: Chuquicamata Mine / Chuquicamata District / Calama / Antofagasta, Provinz / Antofagasta, Region (II. Region) / Chile |
Views (Image: 1342732255): 1341 |
Kröhnkit |
Größe: 2,03 mm; Fundort: La Compania Mine, Caracoles, Sierra Gorda Dis., Tocopilla Prov., Antofagasta Region, Chile |
Collection: | Domenico Preite |
Copyright: | Matteo Chinellato |
Contribution: Hg 2012-07-19 |
Locality: La Compania Mine / Caracoles / Sierra Gorda District / Tocopilla, Provinz / Antofagasta, Region (II. Region) / Chile |
Views (Image: 1271585990): 1068 |
Kröhnkit |
Größe: 6,5 x 5,5 x 3,5 cm, Fundort: Chuquicamata Mine, Calama, Provinz Antofagasta, Chile. |
Copyright: | Michael Roarke |
Contribution: thdun5 2010-04-18 |
Locality: Chuquicamata Mine / Chuquicamata District / Calama / Antofagasta, Provinz / Antofagasta, Region (II. Region) / Chile |
Views (Image: 1285653012): 1383 |
Kröhnkit |
Größe: 3,9 mm, Fundort: La Compania Mine, Caracoles, Sierra Gorda Dis., Tocopilla Prov., Antofagasta Region, Chile |
Collection: | Domenico Preite |
Copyright: | Enrico Bonacina |
Contribution: Hg 2010-09-28 |
Locality: La Compania Mine / Caracoles / Sierra Gorda District / Tocopilla, Provinz / Antofagasta, Region (II. Region) / Chile |
Views (Image: 1271361215): 1540 |
Kröhnkit |
Größe: 45x36 mm; Fundort: Chuquicamata Mine, Calama, Provinz Antofagasta, Chile |
Copyright: | John Sobolewski |
Contribution: slugslayer 2010-04-15 |
Locality: Chuquicamata Mine / Chuquicamata District / Calama / Antofagasta, Provinz / Antofagasta, Region (II. Region) / Chile |
Views (Image: 1312061761): 823 |
Kröhnkit |
Größe: 50x39 mm; Fundort: Chuquicamata Mine, Calama, Provinz Antofagasta, II. Region, Chile |
Collection: | Royal Ontario Museum |
Copyright: | Rock Currier |
Contribution: slugslayer 2011-07-30 |
Locality: Chuquicamata Mine / Chuquicamata District / Calama / Antofagasta, Provinz / Antofagasta, Region (II. Region) / Chile |
Collectors Summary
Color | hellblau, grünblau, grün |
Streak color | weiß |
Lustre | Glasglanz |
Hardness (Mohs) | 2.5 - 3 |
Solubility | +++ H2O, Säuren |
Crystal System | monoklin, P21/c |
Morphology | prismatische, pseudooktaedrische Kristalle; massive Krusten, Einlagerungen und Adern; faserige oder körnige Aggregate |
Chemism
Chemical formula |
Na2Cu(SO4)2· 2H2O |
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Chemical composition |
Kupfer, Natrium, Sauerstoff, Schwefel, Wasserstoff |
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Analysis wt% |
Na2O : 18.89, CuO : 23.25, SO3 : 47.60, H2O : 10.72 (Ref: Dana, 7th ed. 2) |
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Strunz 9th edition incl. updates |
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7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate) |
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Lapis Classification |
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VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE |
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Classification by Hölzel |
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7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES |
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Dana 8th edition |
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29: Hydrated Acid and Sulfates |
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IMA status |
Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Optical Data Luminescence
keine Fluoreszenz bekannt |
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
2.5 - 3 |
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68 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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2.9 |
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2.923 ( ρ calc. Mineralienatlas ) |
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nicht bekannt |
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Instability |
+++ H2O, Säuren |
Chemical Properties and Tests |
leicht wasserlöslich |
(Co-)Type locality
(Co-)Type locality |
Chile/Antofagasta, Region (II. Region)/Antofagasta, Provinz/Calama/Chuquicamata District/Chuquicamata Mine |
Preface
References
Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]
Na2Cu(SO4)2· 2H2O monoklin : 2/m : P21/c |
Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]
Na2Cu(SO4)2· 2H2O monoklin : 2/m : P21/c |
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Na3Fe(SO4)3·3H2O trigonal : 3 : P3 |
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KFe3+(SO4)2·4H2O monoklin : 2/m : P21/c |
Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]
Na2Cu(SO4)2· 2H2O monoklin : 2/m : P21/c |
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Na3Fe(SO4)3·3H2O trigonal : 3 : P3 |
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Na2Zn[SO4]2·4H2O monoklin : 2/m : P21/a |
Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]
K2Ca(SO4)2·H2O monoklin : 2/m : P21/m |
29.03.01.01 | |
(NH4)2Ca(SO4)2·H2O monoklin : 2/m : P21/m |
29.03.01.02 | |
Na2Cu(SO4)2· 2H2O monoklin : 2/m : P21/c |
29.03.02.01 | |
Na2Mg(SO4)2·4H2O monoklin : 2/m : P21/a |
29.03.03.01 | |
Na2(Ni,Mg)(SO4)2·4H2O monoklin : 2/m : P21/a |
29.03.03.02 | |
K2Mg(SO4)2·4H2O monoklin : 2/m : C2/m |
29.03.03.03 | |
K2Fe2+[SO4]2·4H2O monoklin : 2/m : C2/m |
29.03.03.04 | |
Na2Zn[SO4]2·4H2O monoklin : 2/m : P21/a |
29.03.03.05 | |
Na2Mg(SO4)2·5H2O monoklin : 2/m : P21/c |
29.03.05.01 | |
K2Mg(SO4)2·6H2O monoklin : 2/m : P21/a |
29.03.06.01 | |
K2Cu(SO4)·6H2O monoklin : 2/m : P21/c |
29.03.06.02 | |
(NH4)2Fe2+(SO4)2·6H2O monoklin : 2/m : P21/a |
29.03.07.01 | |
(NH4)2Mg(SO4)2·6H2O monoklin : 2/m : P21/a |
29.03.07.02 | |
(NH4)2(Ni,Mg)(SO4)2·6H2O |
29.03.07.03 | |
Hg2N(Cl,SO4,MoO4,CO3)·H2O kubisch : 43m : F43m |
29.03.08.01 |
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Alternative Name
Kroehnkite |
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