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Alunogen

Pictures (12 Images total)

Alunogen (Haarsalz)
Views (Image: 1582323114): 633
Alunogen (Haarsalz) (SNr: 00624H)

Größe: 11 x 6 x 5 cm Gewicht 130 g; Schacht Konrad, Salzgitter Beddingen, Niedersachsen, Deutschland

Collection: rettearb
Copyright: rettearb
Contribution: rettearb 2020-02-21
Locality: Schacht Konrad / Salzgitter, kreisfreie Stadt / Niedersachsen / Deutschland
Alunogen
Views (Image: 1350227676): 2687
Alunogen

Dubník, Prešov Region, Slovakia; Field of View 8mm

Copyright: Vitezslav Snasel
Contribution: Vita 2012-10-14
Locality: Dubnik / Czerwenitza (Cervenica) / Presov, Okres / Presovský kraj / Slowakei
Haarsalz, Alunogen
Views (Image: 1537553399): 587
Haarsalz, Alunogen

Größe: 40 x 30 mm; Fundort: Hallein, Salzburg. Der Fund war 1974

Collection: Bode
Copyright: Bode
Contribution: Bode 2018-09-21
Locality: Hallein / Hallein, Bezirk (Tennengau) / Salzburg / Österreich
Alunogen Anna 1
Views (Image: 1146047869): 2843
Alunogen Anna 1

Alunogen (weiss) mit unbestimmten Mineral Fundort: Halde Anna 1, Alsdorf Bildbreite: 2 mm

Copyright: Frank de Wit
Contribution: bardenoki 2006-04-26
Locality: Anna / Alsdorf / Aachen, Städteregion / Köln, Bezirk / Nordrhein-Westfalen / Deutschland
Alunogen
Views (Image: 1264714143): 2810
Alunogen

Größe: 98x86 mm; Fundort: Almyras, Agia Varvara, Zypern

Copyright: Rock Currier
Contribution: slugslayer 2010-01-28
Locality: Almyras / Agia Varvara / Nikosia, Bezirk / Zypern
Alunogen, Halotrichit
Views (Image: 1350503700): 1866
Alunogen, Halotrichit

Dubník, Slovakia; Size spec. 100x80mm

Copyright: Vitezslav Snasel
Contribution: Vita 2012-10-17
Locality: Dubnik / Czerwenitza (Cervenica) / Presov, Okres / Presovský kraj / Slowakei

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 1.50 - 2.00
Solubility +++ H2O, Säuren, - Azeton, Alkohole
Crystal System triklin, P1

Chemism

Chem­ical formula

Al2(SO4)3·17H2O

Chem­ical com­po­si­tion

Aluminium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 648.4132444 u; Number of atoms in the formula: 68

Info

Empirical formula:

Al2(SO4)3·17H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

5.29

34

50.00

1.0079470

34.2701980

Oxygen

O

71.56

29

42.65

15.9994300

463.9834700

Aluminium

Al

8.32

2

2.94

26.9815382

53.9630764

Sulfur

S

14.84

3

4.41

32.0655000

96.1965000

Strunz 9th edi­tion incl. updates

7.CB.45

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
B: Mit ausschließlich mittelgroßen Kationen
45:Alunogen-Gruppe

Lapis Clas­sifica­tion

VI/C.08-070

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
8: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.CC.120

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
C: Alunogen-Group

Dana 8th edi­tion

29.08.06.01

29: Hydrated Acid and Sulfates
08: Hydrated Acid and Sulfates where (A)2 (XO4)3 · x(H2O)

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

max. Birefrin­gence

0.010

Birefringence chart\! Alunogen title=Birefringence chart Alunogen

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

1.475

RI value β

1.478

RI value γ / ε

1.485

Ri mean

1.479

2V angle

Biaxial (+) 39°

Optical Data Luminescence

Color LW-UV (365nm)

 

gelblich weiß

Color SW-UV (254nm)

 

rot

After­glow (Per­sistant Lumi­nes­cence)

keine Daten

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

7.420

Cell param­e­ters b (Å)

26.97

Cell param­e­ters c (Å)

6.062

Cell param­e­ters a/b or c/a

0.275

Cell param­e­ters c/b

0.225

Cell param­e­ters α

89.95

Cell param­e­ters β

97.57

Cell param­e­ters γ

91.88

Z

2

Volumne (ų)

1201.884

X-Ray Pow­der Diffrac­tion

13.46(50),
4.489(100),
4.390(80),
4.329(80),
3.969(80),
3.897(50),
3.675(40),
3.022(30)

XRD chart Alunogen

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

1.50 - 2.00

VHN (Hard­ness Vick­ers)

24 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.77 (gemessen) 1.791 (berechnet)

1.792 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O, Säuren, - Azeton, Alkohole

Preface

Author (Name, Year)

Beudant, 1832

Addi­tional Informa­tion

Vorsicht: Mineral ist gut wasserlöslich

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 14

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

Alunogen

Al2(SO4)3·17H2O

triklin : 1 : P1

7.CB.45

'Meta-alunogen'

Al4(SO4)6·27H2O

7.CB.45

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

Rhomboclase

(H5O2)+Fe3+(SO4)2·2H2O

orthorhombisch : mmm : Pnma

VI/C.08-010

Lausenite

Fe23+(SO4)3·6H2O

monoklin : 2/m : P21/m

VI/C.08-020

Kornelite

Fe23+(SO4)3·7H2O

monoklin : 2/m : P21/n

VI/C.08-030

Aluminocoquimbite

Al2Fe2(SO4)6(H2O)12·6H2O

trigonal : 3m : P31c

VI/C.08-035

Coquimbite

AlFe3(SO4)6(H2O)12·6H2O

trigonal : 3m : P31c

VI/C.08-040

Paracoquimbite

Fe4(SO4)6(H2O)12·6H2O

trigonal : 3 : R3

VI/C.08-050

Quenstedtite

Fe23+(SO4)3·10 H2O

triklin : 1 : P1

VI/C.08-060

Alunogen

Al2(SO4)3·17H2O

triklin : 1 : P1

VI/C.08-070

'Meta-alunogen'

Al4(SO4)6·27H2O

VI/C.08-080

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

Lausenite

Fe23+(SO4)3·6H2O

monoklin : 2/m : P21/m

7.CC.100

Alunogen

Al2(SO4)3·17H2O

triklin : 1 : P1

7.CC.120

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

Lausenite

Fe23+(SO4)3·6H2O

monoklin : 2/m : P21/m

29.08.01.01

Kornelite

Fe23+(SO4)3·7H2O

monoklin : 2/m : P21/n

29.08.02.01

Coquimbite

AlFe3(SO4)6(H2O)12·6H2O

trigonal : 3m : P31c

29.08.03.01

Paracoquimbite

Fe4(SO4)6(H2O)12·6H2O

trigonal : 3 : R3

29.08.04.01

Quenstedtite

Fe23+(SO4)3·10 H2O

triklin : 1 : P1

29.08.05.01

Alunogen

Al2(SO4)3·17H2O

triklin : 1 : P1

29.08.06.01

Other languages

German

Alunogen

English

Alunogen

French

Alunogene

Spanish

Alunógeno

Russian

Алуноген

Simplified Chinese

毛矾石

Alternative Name

German

Alunogenit

Spanish

Alunogenita

Alunogenite

German

Davit

Spanish

Davita

Davite

Haarsalz (Alunogen)

Halotrichit (of Hausmann)

Halotrichite (of Hausmann)

French

Hydrotrisulfate d'alumine

German

Katharit

Spanish

Katharita

Katharite

German

Katherit

Spanish

Katherita

Katherite

German

Keramohalit (Alunogen)

Spanish

Keramohalita (Alunógeno)

English

Keramohalite (Alunogen)

Keramohalite (of Glocker)

German

Keramostypterit

Spanish

Keramostypterita

Keramostypterite

Saldanite

German

Schwefelsaure Thonerde

Solfatarite

German

Stipterit

German

Stypterit

Spanish

Stypterita

Stypterite

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

German pages

DeWikiPedia - search for: Alunogen
Google-Bilder-Suche - search for: Alunogen
Mineralogisch-Petrographisches-Institut Hamburg - search for: Alunogen

English pages

Mindat - search for: Alunogen
Webmineral - search for:Alunogen
Handbook-of-Mineralogy - search for: Alunogen
RRUFF - Raman, XRD and other mineral data - search for: Alunogen
RRUFF - References and PDF downloads - search for: Alunogen
American-Mineralogist-Crystal-Structure-Database - search for: Alunogen
Athena - search for: Alunogen

Russian pages

Webmineral.ru - search for: Алуноген

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Alunogen
Crystal-Treasure.com - search for: Alunogen
Bosse - search for: Alunogen

Locations with GPS information