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Felsőbányait

Pictures (3 Images total)

Felsöbanyait °
Views (Image: 1224939851): 1991, Rating: 4.71
Felsöbanyait °

auf Limonitmatrix. Fundort: Graphitbergbau, Amstall, Mühldorf, Krems an der Donau, Waldviertel, Niederösterreich, Österreich.

Collection: Josef Metzger
Copyright: Katschcalcit
Contribution: Katschcalcit 2008-10-25
Locality: Weinberg (Graphitbergbau) / Amstall / Mühldorf / Krems-Land, Bezirk / Niederösterreich / Österreich
Felsöbanyait xx
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Felsöbanyait xx

als typisch radialstrahlige weiße Aggregate auf Goethit ,optisch bestimmt; El Dragon Mine, Potosi, Bolivien; Bildbreite: 3 mm

Collection: loismin
Copyright: loismin
Contribution: loismin 2016-02-19
Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien
Felsöbanyait xx
Views (Image: 1605546531): 93
Felsöbanyait xx

Prullans,Katalonien/Spanien; Bildbreite 4,55 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2020-11-16
Locality: Prullans / La Cerdanya / Lleida, Provinz / Katalonien (Cataluña) / Spanien

Collectors Summary

Color farblos
Streak color weiß
Hardness (Mohs) 1.5
Solubility +++ Säuren
Crystal System monoklin, P21

Chemism

Chem­ical formula

Al4(SO4)(OH)10·4H2O

Chem­ical com­po­si­tion

Aluminium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 446.1244388 u; Number of atoms in the formula: 41

Info

Empirical formula:

Al4(SO4)(OH)10·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

4.07

18

43.90

1.0079470

18.1430460

Oxygen

O

64.55

18

43.90

15.9994300

287.9897400

Aluminium

Al

24.19

4

9.76

26.9815382

107.9261528

Sulfur

S

7.19

1

2.44

32.0655000

32.0655000

Anal­y­sis wt%

Ø Al2O3 : 45.63, SO3 : 16.47, H2O : 37.27 (Ref: Dana, 7th ed. 2)

Strunz 9th edi­tion incl. updates

7.DD.05

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
05:Felsöbányait-Gruppe

Lapis Clas­sifica­tion

VI/D.06-060

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
6: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.DE.820

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
E: Aluminite-Group

Dana 8th edi­tion

31.04.04.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
04: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++)4 (XO4) Zq·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

0.017

Birefringence chart\! Felsőbányait title=Birefringence chart Felsőbányait

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

1.516

RI value β

1.518

RI value γ / ε

1.533

Ri mean

1.522

2V angle

Biaxial (+) 48°

Ori­enta­tion

X = a, Y = b, Z = c

Dis­per­sion

r > v

Optical Data Luminescence

Color LW-UV (365nm)

 

weiß

Color SW-UV (254nm)

 

weiß

LW-UV Other Col­ors

   

bläulich weiß, blau

SW-UV Other Col­ors

 

bläulich weiß

Color SW-UV After­glow (254nm)

 

weiß

SW-UV After­glow Intensity

sehr schwach

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2

Space Group number

4

Space Group

P21

Cell param­e­ters a (Å)

13.026

Cell param­e­ters b (Å)

10.015

Cell param­e­ters c (Å)

11.115

Cell param­e­ters a/b or c/a

1.301

Cell param­e­ters c/b

1.11

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

Z

4

Volumne (ų)

1450.012

X-Ray Pow­der Diffrac­tion

5.96(30),
4.79(100),
4.64(100),
3.67(40),
2.71(40),
2.45(40),
2.27(50),
2.19(30)

XRD chart Felsőbányait

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)

1.5

VHN (Hard­ness Vick­ers)

18 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.06 (berechnet) 2.33 (gemessen)

2.043 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

Preface

Author (Name, Year)

Kenngott, 1853

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 219

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

Zaherite

Al12(SO4)5(OH)26·20H2O

triklin : 1, 1 : P1, P1

7.DD.05

Felsőbányait

Al4(SO4)(OH)10·4H2O

monoklin : 2 : P21

7.DD.05

Hydrobasaluminite

Al4(SO4)(OH)10·15H2O

7.DD.05

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

Jurbanite

Al(SO4)(OH)·5H2O

monoklin : 2/m : P21/n

VI/D.06-010

Rostite

Al(SO4)(OH)·5H2O

orthorhombisch : mmm : Pcab

VI/D.06-015

Khademite

Al(SO4)F·5H2O

orthorhombisch : mmm : Pcab

VI/D.06-020

Mangazeite

Al2(SO4)(OH)4·3H2O

triklin : 1, 1 : P1, P1

VI/D.06-025

Meta-aluminite

Al2(SO4)(OH)4·5H2O

VI/D.06-030

Aluminite

Al2(SO4)(OH)4·7H2O

monoklin : 2/m : P21/c

VI/D.06-040

Felsőbányait

Al4(SO4)(OH)10·4H2O

monoklin : 2 : P21

VI/D.06-060

Hydrobasaluminite

Al4(SO4)(OH)10·15H2O

VI/D.06-070

Zaherite

Al12(SO4)5(OH)26·20H2O

triklin : 1, 1 : P1, P1

VI/D.06-080

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

Hydrobasaluminite

Al4(SO4)(OH)10·15H2O

7.DE.810

Felsőbányait

Al4(SO4)(OH)10·4H2O

monoklin : 2 : P21

7.DE.820

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

Posnjakite

Cu4(SO4)(OH)6·H2O

monoklin : m : Pa

31.04.01.01

Wroewolfeite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

31.04.02.01

Langite

Cu4(SO4)(OH)6·2H2O

monoklin : m : Pc

31.04.03.01

Felsőbányait

Al4(SO4)(OH)10·4H2O

monoklin : 2 : P21

31.04.04.01

Hydrobasaluminite

Al4(SO4)(OH)10·15H2O

31.04.06.01

Namuwite

(Zn,Cu)4(SO4)(OH)6·4H2O

trigonal : 3 : P3

31.04.07.01

'Natroglaucocerinite'

NaZn5Al3[(OH)16|(SO4)2]·6H2O

trigonal : 3 : P3

31.04.08.02

Ramsbeckite

(Cu,Zn)15(SO4)4(OH)22·6H2O

monoklin : 2/m : P21/a

31.04.09.01

Other languages

French

Felsoebanyaite

Spanish

Felsöbányaíta

English

Felsőbányait

German

Felsőbányait

Alternative Name

German

Basaluminit

English

Basaluminite

Papp (2004), 24

The Canadian Mineralogist Vol. 44, pp. 1557-1560 (2006)

IMA Massendiskreditierung 11/2006 (Antrag 06–C)

German

Felsöbányait

English

Felsöbányaite

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