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Natrojarosite

Pictures (18 Images total)

Natrojarosit
Views (Image: 1397322937): 1621
Natrojarosit (SNr: A017756)

Tafelige goldbraune Kristalle auf Siderit, BB = 2,5 mm, Fundort: Kamariza, Laurion (Lavrion), Attika, Griechenland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-04-12
Locality: Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
keilförmiger, rotbrauner Natrojarosit und Skorodit
Views (Image: 1488642667): 1662, Rating: 8.6
keilförmiger, rotbrauner Natrojarosit und Skorodit (SNr: A003605)

von Kamariza, Laurion, Attika, Griechenland; BB = 6,2 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2017-03-04
Locality: Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
spitzpyramidale, honigbraune Natrojarosite in Goethit
Views (Image: 1488642426): 688
spitzpyramidale, honigbraune Natrojarosite in Goethit (SNr: A003603)

von Kamariza, Laurion, Attika, Griechenland; die Kristalle sind teilweise überwachsen mit faserigen Kristallen einer zweiten Generation; BB = 3,0 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2017-03-04
Locality: Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Natrojarosit
Views (Image: 1412762261): 915
Natrojarosit (SNr: A027305)

Keilförmige braune Kristalle, BB = 6,1 mm, Fundort: Verzeko, Laurion, Attika, Griechenland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-10-08
Locality: Verzeko / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Natrojarosit
Views (Image: 1378928875): 816, Rating: 5.75
Natrojarosit (SNr: A003604)

Tafelige braune Kristalle, BB = 1,2 mm. Fundort: Kamariza, Lavrion, Attika, Griechenland.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2013-09-11
Locality: Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland
Natrojarosit (gelb) und Konichalcit (grün)
Views (Image: 1264107532): 1478
Natrojarosit (gelb) und Konichalcit (grün)

Größe: 70x60 mm; Fundort: Kamariza, Laurion, Attika, Griechenland

Copyright: Paul Bongaerts
Contribution: slugslayer 2010-01-21
Locality: Kamariza / Lavrion (Laurion), Bergbaudistrikt / Attika (Attikí, Attica) / Griechenland

Collectors Summary

Color gelb, ockergelb, ockerbraun
Streak color hellgelb
Hardness (Mohs) 2.5 - 3.5
Cleavages vollkommen {0001}
Fracture muschelig
Solubility ++ HCl
Crystal System trigonal, R3m
Morphology Kristalle bis 1mm sind typischerweise pseudokubisch {0112} und können auf {0001} abgeflacht sein und ergeben dann eine hexagonale Form.

Chemism

Chem­ical formula

NaFe3+3(SO4)2(OH)6

Chem­ical com­po­si­tion

Eisen, Natrium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 484.6960722 u; Number of atoms in the formula: 26

Info

Empirical formula:

NaFe3(SO4)2(OH)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.25

6

23.08

1.0079470

6.0476820

Oxygen

O

46.21

14

53.85

15.9994300

223.9920200

Sodium

Na

4.74

1

3.85

22.9897702

22.9897702

Sulfur

S

13.23

2

7.69

32.0655000

64.1310000

Iron

Fe

34.57

3

11.54

55.8452000

167.5356000

Anal­y­sis wt%

K2O : 0.68, Na2O : 6.32, Fe2O3 : 49.86, SO3 : 32.30, H2O : 10.93 (Ref: Dana, 7th ed. 2)

Strunz 9th edi­tion incl. updates

7.BC.10

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
B: Sulfate (Selenate, etc.) mit weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]
10:Alunit-Gruppe

Lapis Clas­sifica­tion

VI/B.11-050

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
B: Wasserfreie Sulfate, mit fremden Anionen
11: Große Kationen vor-wiegend; Alunit-Gruppe

Clas­sifica­tion by Hölzel

7.BB.140

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
B: Sulfates (+Anions -Water)
B: Alunite-Group (sulfatian)
1: Alunites with alkalies, Ag, Tl

Dana 8th edi­tion

30.02.05.02

30: Anhydrous Sulfates Containing Hydroxyl or Halogen
02: Anhydrous Sulfates Containing Hydroxyl or Halogen where (A B)2 XO4 Zq
05: Alunite Group (Jarosite Subgroup)

IMA sta­tus

Neudefinition von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Alunite supergroup  ⇒ Alunite group with -1c

Optical Properties

Color

gelb, ockergelb, ockerbraun

Streak color

hellgelb

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.082

Birefringence chart\! Natrojarosite title=Birefringence chart Natrojarosite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.832

RI value γ / ε

1.750

Ri mean

1.805

2V angle

Uniaxial (-)

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell param­e­ters a (Å)

7.34

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

16.72

Cell param­e­ters a/b or c/a

2.278

Cell param­e­ters c/b

-

Z

3

Volumne (ų)

780.116

X-Ray Pow­der Diffrac­tion

5.56(30),
5.06(100),
3.12(50),
3.06(70),
2.776(20),
2.270(20),
1.977(20),
1.834(10)

XRD chart Natrojarosite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphol­ogy

Kristalle bis 1mm sind typischerweise pseudokubisch {0112} und können auf {0001} abgeflacht sein und ergeben dann eine hexagonale Form.

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5 - 3.5

VHN (Hard­ness Vick­ers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.11 - 3.18 (gemessen) 3.29 (berechnet)

3.095 ( ρ calc. Mineralienatlas )

Cleav­ages

vollkommen {0001}

Frac­ture

muschelig

Tenac­ity

spröde

Insta­bil­ity

++ HCl

(Co-)Type locality

(Co-)Type locality

USA/Nevada/Mineral Co./Soda Springs Valley

Preface

Occurrences

Als erdige Krusten, pulvrige Massen und als Puder in typischerweise Oxidationszonen von Minerallagerstätten bei der Oxidation von Pyrit und der Anwesenheit von Natrium. Selten als vulkanisches Sublimat.

Author (Name, Year)

Hillebrand & Penfield, 1902

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 487

IMA group assignments

 
DG3(TX4)2X’6
 
 


 
 
 
KAl3(SO4)2(OH)6
trigonal
R3m

 
 
 
NH4Al3(SO4)2(OH)6
trigonal
R3m, R3m

 
 
 
NH4Fe3+3(SO4)2(OH)6
trigonal
R3m

 
 
 
AgFe3+3(SO4)2(OH)6
trigonal
R3m

 
 
 
Pb(Fe3+2Cu)(SO4)2(OH)6
trigonal
R3m

 
 
 
Pb(Fe3+2Zn)(SO4)2(OH)6
trigonal
R3m

 
 
 
(Tl,K)Fe3+3[(OH)6|(SO4)2]
trigonal
R3m

 
 
 
(H3O)Fe3+3(SO4)2(OH)6
trigonal
R3m

 
 
 
KFe3+3(SO4)2(OH)6
trigonal
R3m

 
 
 
Na2Al3(SO4)2(OH)6
trigonal
R3m

 
 
 
NaFe3+3(SO4)2(OH)6
trigonal
R3m

 
 
 
Pb(Al2Cu2+)(SO4)2(OH)6
trigonal
R3m

 
 
 
(H3O,Ca)Al3(AsO4,SO4)2(OH)6
trigonal
R3m

Refresh list

Actuality: 02. Mar 2021 - 00:32:14

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Alunite

KAl3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Huangite

Ca0.5Al3[(OH)6|(SO4)2]

trigonal : 3m : R3m

7.BC.10

Jarosite

KFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Walthierite

Ba0.5Al3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Natroalunite-1c

Na2Al3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Osarizawaite

Pb(Al2Cu2+)(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Dorallcharite

(Tl,K)Fe3+3[(OH)6|(SO4)2]

trigonal : 3m : R3m

7.BC.10

Natrojarosite

NaFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Ammonioalunite

NH4Al3(SO4)2(OH)6

trigonal : 3m, 3m : R3m, R3m

7.BC.10

Beaverite-(Cu)

Pb(Fe3+2Cu)(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Plumbojarosite

PbFe63+(SO4)4(OH)12

trigonal : 3m : R3m

7.BC.10

Ammoniojarosite

NH4Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Argentojarosite

AgFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Beaverite-(Zn)

Pb(Fe3+2Zn)(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Natroalunite-2c

NaAl3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Schlossmacherite

(H3O,Ca)Al3(AsO4,SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Hydronium jarosite

(H3O)Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BC.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Natroalunite-1c

Na2Al3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-010

Alunite

KAl3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-020

Ammonioalunite

NH4Al3(SO4)2(OH)6

trigonal : 3m, 3m : R3m, R3m

VI/B.11-030

Huangite

Ca0.5Al3[(OH)6|(SO4)2]

trigonal : 3m : R3m

VI/B.11-043

Walthierite

Ba0.5Al3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-045

Natrojarosite

NaFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-050

Jarosite

KFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-060

Dorallcharite

(Tl,K)Fe3+3[(OH)6|(SO4)2]

trigonal : 3m : R3m

VI/B.11-065

Ammoniojarosite

NH4Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-070

Hydronium jarosite

(H3O)Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-080

Argentojarosite

AgFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-090

Plumbojarosite

PbFe63+(SO4)4(OH)12

trigonal : 3m : R3m

VI/B.11-100

Osarizawaite

Pb(Al2Cu2+)(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-110

Beaverite-(Zn)

Pb(Fe3+2Zn)(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-115

Beaverite-(Cu)

Pb(Fe3+2Cu)(SO4)2(OH)6

trigonal : 3m : R3m

VI/B.11-120

Krivovichevite

Pb3[Al(OH)6](SO4)(OH)

trigonal : 3m : R3c

VI/B.11-130

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Natroalunite-1c

Na2Al3(SO4)2(OH)6

trigonal : 3m : R3m

7.BB.100

Alunite

KAl3(SO4)2(OH)6

trigonal : 3m : R3m

7.BB.110

Natrojarosite

NaFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BB.140

Jarosite

KFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BB.145

Argentojarosite

AgFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

7.BB.160

Dorallcharite

(Tl,K)Fe3+3[(OH)6|(SO4)2]

trigonal : 3m : R3m

7.BB.170

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Lanarkite

Pb2(SO4)O

monoklin : 2/m : C2/m

30.02.01.01

Dolerophanite

Cu2(SO4)O

monoklin : 2/m : C2/m

30.02.02.01

Linarite

PbCu(SO4)(OH)2

monoklin : 2/m : P21/m

30.02.03.01

Alunite

KAl3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.04.01

Natroalunite-1c

Na2Al3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.04.02

Schlossmacherite

(H3O,Ca)Al3(AsO4,SO4)2(OH)6

trigonal : 3m : R3m

30.02.04.03

Osarizawaite

Pb(Al2Cu2+)(SO4)2(OH)6

trigonal : 3m : R3m

30.02.04.04

Natroalunite-2c

NaAl3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.04.05

Ammonioalunite

NH4Al3(SO4)2(OH)6

trigonal : 3m, 3m : R3m, R3m

30.02.04.06

Walthierite

Ba0.5Al3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.04.07

Huangite

Ca0.5Al3[(OH)6|(SO4)2]

trigonal : 3m : R3m

30.02.04.08

Jarosite

KFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.05.01

Natrojarosite

NaFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.05.02

Hydronium jarosite

(H3O)Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.05.03

Ammoniojarosite

NH4Fe3+3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.05.04

Argentojarosite

AgFe3+3(SO4)2(OH)6

trigonal : 3m : R3m

30.02.05.05

Plumbojarosite

PbFe63+(SO4)4(OH)12

trigonal : 3m : R3m

30.02.05.06

Beaverite-(Cu)

Pb(Fe3+2Cu)(SO4)2(OH)6

trigonal : 3m : R3m

30.02.05.07

Dorallcharite

(Tl,K)Fe3+3[(OH)6|(SO4)2]

trigonal : 3m : R3m

30.02.05.08

Itoite

Pb3GeO2(SO4)2(OH)2

orthorhombisch : mmm : Pnma

30.02.06.01

Piypite

K4Cu4O2(SO4)4·(Na,Cu)Cl

tetragonal : 4 : I4

30.02.07.01

Kamchatkite

KCu32+OCl(SO4)2

orthorhombisch : mm2 : Pna21

30.02.08.01

Cannonite

Bi2O(SO4)(OH)2

monoklin : 2/m : P21/c

30.02.09.01

Other languages

German

Natrojarosit

Spanish

Natrojarosita

English

Natrojarosite

French

Natrojarosite

Russian

Натроярозит

Simplified Chinese

钠铁矾

Alternative Name

Soda Copperas

Simplified Chinese

钠黄铁矾

Simplified Chinese

黄钠铁矾

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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