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Halotrichite

Pictures (35 Images total)

Halotrichit
Views (Image: 1424936815): 2013
Halotrichit

nadelige, gelb- bis graugrüne Halotrichit xx auf Schiefer; Absetzerhalde, Ronneburger Revier, Thüringen; Bildbreite: 3 cm

Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2015-02-26
Locality: Absetzerhalde / Ronneburg / Greiz, Landkreis / Thüringen / Deutschland
Halotrichit
Views (Image: 1302556531): 3376, Rating: 8.7
Halotrichit

Bildbreite: 16,51 mm, Fundort: Grube Clara, Wolfach, Schwarzwald, Deutschland

Collection: Josef Höhn, Heidelberg
Copyright: loparit
Contribution: loparit 2011-04-11
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Halotrichit
Views (Image: 1178809934): 3463
Halotrichit

Bildbreite: 10 mm; Fundort: Grube Clara, Wolfach, Schwarzwald

Copyright: Stephan Wolfsried
Contribution: Hg 2007-05-10
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Halotrichit
Views (Image: 1240154168): 3904
Halotrichit (SNr: B001036)

Halotrichit aus Ungarn / Uzsabánya / Láz Hill

Collection: Lithothek der Münchener Micromounter
Copyright: Stefan
Contribution: Stefan 2009-04-19
Locality: Uzsabánya / Uzsa / Tapolca, Kreis / Veszprém, Komitat / Ungarn
Halotrichite
Views (Image: 1350502569): 2677
Halotrichite

Dubník, Slovakia; Field of View 7mm

Copyright: Vitezslav Snasel
Contribution: Vita 2012-10-17
Locality: Dubnik / Czerwenitza (Cervenica) / Presov, Okres / Presovský kraj / Slowakei
Halotrichit
Views (Image: 1234639961): 3694, Rating: 7.45
Halotrichit

Größe: 5 x 4,5 cm; Fundort: Rodalquilar, Cabo de Gata, Spanien

Collection: Hg
Copyright: Hg
Contribution: Hg 2009-02-14
Locality: Rodalquilar / Nationalpark Cabo de Gata-Nijar / Níjar / Almería, Provinz / Andalusien (Andalucía) / Spanien

Collectors Summary

Color farblos, grün, grauweiß, gelb, weiß
Streak color weiß
Hardness (Mohs) 1.5
Solubility +++ H2O, Aufbewahren in einem versiegelten Behälter
Crystal System monoklin, P21/c

Chemism

Chem­ical formula

Fe2+Al2(SO4)4·22H2O

Chem­ical com­po­si­tion

Aluminium, Eisen, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 890.3982844 u; Number of atoms in the formula: 89

Info

Empirical formula:

FeAl2(SO4)4·22H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

4.98

44

49.44

1.0079470

44.3496680

Oxygen

O

68.28

38

42.70

15.9994300

607.9783400

Aluminium

Al

6.06

2

2.25

26.9815382

53.9630764

Sulfur

S

14.41

4

4.49

32.0655000

128.2620000

Iron

Fe

6.27

1

1.12

55.8452000

55.8452000

Anal­y­sis wt%

FeO : 7.28, CuO : 0.66, Al2O3 : 10.26, Fe2O3 : 0.65, SO3 : 37.28, H2O : 43.33 (Ref: Dana, 7th ed. 2)

Strunz 9th edi­tion incl. updates

7.CB.85

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

Lapis Clas­sifica­tion

VI/C.12-020

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
12: Mittelgroße und sehr große Kationen; Halotrichit-Gruppe

Clas­sifica­tion by Hölzel

7.CD.220

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
D: Sulfates, C medium + large
2: Halotrichite-Group

Dana 8th edi­tion

29.07.03.02

29: Hydrated Acid and Sulfates
07: Hydrated Acid and Sulfates where A (B)2 (XO4)4 · x(H2O)
03: Halotrichite Group (Monoclinic with 22 H2O)

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos, grün, grauweiß, gelb, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.010

Birefringence chart\! Halotrichite title=Birefringence chart Halotrichite

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

1.480

RI value β

1.486

RI value γ / ε

1.490

Ri mean

1.485

2V angle

Biaxial (-) 35°

Optical Data Luminescence

Lumi­nes­cence

keine Fluoreszenz bekannt

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell param­e­ters a (Å)

20.51

Cell param­e­ters b (Å)

24.28

Cell param­e­ters c (Å)

6.18

Cell param­e­ters a/b or c/a

0.845

Cell param­e­ters c/b

0.255

Cell param­e­ters α

90°

Cell param­e­ters β

100.10

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

3029.842

X-Ray Pow­der Diffrac­tion

6.06(40),
4.91(70),
4.80(80),
4.55(40),
4.31(100),
4.12(80),
3.98(40),
3.49(100)

XRD chart Halotrichite

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)

1.78 - 1.9 / Durchschnittlich = 1.84

1.952 ( ρ calc. Mineralienatlas )

Radioac­tiv­ity

nicht vorhanden

Insta­bil­ity

+++ H2O, Aufbewahren in einem versiegelten Behälter

Preface

Author (Name, Year)

Glocker, 1839

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 273

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

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CB.85

'Redingtonite'

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

7.CB.85

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

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-010

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

VI/C.12-012

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-020

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-030

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-040

'Redingtonite'

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

VI/C.12-050

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

VI/C.12-060

'Caichengyunite'

(Fe2+)3Al2(SO4)6·30 H2O

VI/C.12-070

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

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.200

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.210

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.220

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

7.CD.225

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.230

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

7.CD.240

'Redingtonite'

(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O

7.CD.250

Mendozite

NaAl(SO4)2·11H2O

monoklin : 2/m : C2/c

7.CD.280

Kalinite

KAl(SO4)2·11 H2O

monoklin : 2/m : C2/c

7.CD.285

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

Ransomite

CuFe23+(SO4)4·6H2O

monoklin : 2/m : P21/c

29.07.01.01

Römerite

Fe2+Fe23+(SO4)4·14H2O

triklin : 1 : P1

29.07.02.01

Lishizhenite

ZnFe23+(SO4)4·14 H2O

triklin : 1 : P1

29.07.02.02

Pickeringite

MgAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

29.07.03.01

Halotrichite

Fe2+Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

29.07.03.02

Apjohnite

MnAl2(SO4)4·22H2O

monoklin : 2/m : P21/c

29.07.03.03

Dietrichite

(Zn,Fe2+,Mn)Al2(SO4)4·22H2O

monoklin : 2/m : P21/c

29.07.03.04

Bílinite

Fe2+Fe23+(SO4)4·22H2O

monoklin : 2/m : P21/c

29.07.03.05

Wupatkiite

(Co,Mg)Al2[SO4]4·22H2O

monoklin : 2/m : P21/c

29.07.03.07

Other languages

German

Halotrichit

French

Halotrichite

English

Halotrichite

Spanish

Halotriquita

Russian

Галотрихит

Simplified Chinese

铁明矾

Simplified Chinese

铁茂

Alternative Name

German

Alotrichit

Spanish

Alotrichita

French

Alotrichite

German

Bergbutter

Butter-Rock

German

Eisenalaun

Feather Alum

Federalaun

German

Federalaun vom Freyenwalde

English

Ferrohalotrichite

Italian

Halotrichine

German

Halotrichit (of Glocker)

Spanish

Halotrichita

Halotrichite (of Glocker)

German

Hversalt

Iron Alum

German

Johnsonit

Spanish

Johnsonita

English

Johnsonite

German

Masrit

Spanish

Masrita

English

Masrite

Mountain Butter

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Галотрихит

Mineral Dealer

German pages

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

Locations with GPS information