'._('einklappen').'
 

Amarantite

Pictures (5 Images total)

Amarantit xx
Views (Image: 1167251756): 2735
Amarantit xx

Größe: bis 3 mm; Fundort: Chuquicamata, Antofagasta, Chile

Copyright: Sandro Maggia
Contribution: slugslayer 2006-12-27
Locality: Chuquicamata Mine / Chuquicamata District / Calama / Antofagasta, Provinz / Antofagasta, Region (II. Region) / Chile
Amarantit
Views (Image: 1269017726): 2597
Amarantit

Größe: 8 mm, Fundort: Kavir-e-Sagand, Provinz Yazd, Iran.

Copyright: Michael Roarke
Contribution: thdun5 2010-03-19
Locality: Kavir-e-Sagand / Saghand / Yazd, Provinz / Iran
Amarantit
Views (Image: 1264714288): 2551
Amarantit

Größe: 18 x 14 cm; Fundort: Kavir-e-Sagand, Provinz Yazd, Iran

Copyright: Rock Currier
Contribution: slugslayer 2010-01-28
Locality: Kavir-e-Sagand / Saghand / Yazd, Provinz / Iran
Amarantit
Views (Image: 1401369983): 789
Amarantit

Cuya, Los Camarones, Reg. Arica y Parinacota, Chile, 40 x 25 x 37 mm

Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2014-05-29
Locality: Cuya / Los Camarones / Arica, Provinz / Arica y Parinacota, Region (XV. Region) / Chile
Amarantit xx
Views (Image: 1611156794): 164
Amarantit xx (SNr: G2C2)

Fundort: Caracoles, Sierra Gorda, Antofagasta, Chile (TL); BB = ca. 2 mm.

Collection: prospector56
Copyright: prospector56
Contribution: prospector56 2021-01-20
Locality: Caracoles / Sierra Gorda District / Tocopilla, Provinz / Antofagasta, Region (II. Region) / Chile

Collectors Summary

Color rot
Streak color gelb
Hardness (Mohs) 2.5
Solubility +++ verdünnte HCl, ++ H2O
Crystal System triklin, P1

Chemism

Chem­ical formula

Fe3+2O(SO4)2(H2O)4·3H2O

Chem­ical com­po­si­tion

Eisen, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 445.923538 u; Number of atoms in the formula: 34

Info

Empirical formula:

Fe2O(SO4)2(H2O)4·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.16

14

41.18

1.0079470

14.1112580

Oxygen

O

57.41

16

47.06

15.9994300

255.9908800

Sulfur

S

14.38

2

5.88

32.0655000

64.1310000

Iron

Fe

25.05

2

5.88

55.8452000

111.6904000

Anal­y­sis wt%

Fe2O3 : 36.10, SO3 : 35.10, H2O : 28.80 (Ref: Bulletin de Mineralogie 64)

Strunz 9th edi­tion incl. updates

7.DB.30

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
B: mit mittelgroßen Kationen; isolierte Oktaeder und begrenzte Einheiten
30:Amarantit-Gruppe

Lapis Clas­sifica­tion

VI/D.01-040

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

Clas­sifica­tion by Hölzel

7.DE.340

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

Dana 8th edi­tion

31.09.03.01

31: Hydrated Sulfates Containing Hydroxyl or Halogen
09: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++) (XO4) Zq·x(H2O)

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

rot

Streak color

gelb

max. Birefrin­gence

0.105

Birefringence chart\! Amarantite title=Birefringence chart Amarantite

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

1.598

RI value γ / ε

1.621

Ri mean

1.578

2V angle

Biaxial (-) 30°

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

8.90

Cell param­e­ters b (Å)

11.56

Cell param­e­ters c (Å)

6.64

Cell param­e­ters a/b or c/a

0.770

Cell param­e­ters c/b

0.574

Cell param­e­ters α

95.65

Cell param­e­ters β

90.40

Cell param­e­ters γ

97.22

Z

2

Volumne (ų)

674.311

X-Ray Pow­der Diffrac­tion

11.25(100),
8.69(100),
5.16(70),
4.98(70),
3.57(90),
3.11(80),
3.05(90),
2.622(70)

XRD chart Amarantite

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)

2.5

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.24 (gemessen)

2.196 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ verdünnte HCl, ++ H2O

Preface

Author (Name, Year)

Frenzel, 1888

Addi­tional Informa­tion

gut in Wasser löslich

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 15

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

Amarantite

Fe3+2O(SO4)2(H2O)4·3H2O

triklin : 1 : P1

7.DB.30

Hohmannite

Fe23+(SO4)2(OH)2·7H2O

triklin : 1 : P1

7.DB.30

Metahohmannite

Fe23+(SO4)2(OH)2·3H2O

triklin : 1 : P1

7.DB.30

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

Butlerite

Fe3+(SO4)(OH)·2H2O

monoklin : 2/m : P21/m

VI/D.01-020

Parabutlerite

Fe3+(SO4)(OH)·2H2O

orthorhombisch : mmm : Pmnb

VI/D.01-030

Volaschioite

Fe4(SO4)O2(OH)6·2H2O

monoklin : 2/m : C2/m

VI/D.01-032

Metahohmannite

Fe23+(SO4)2(OH)2·3H2O

triklin : 1 : P1

VI/D.01-035

Amarantite

Fe3+2O(SO4)2(H2O)4·3H2O

triklin : 1 : P1

VI/D.01-040

Hohmannite

Fe23+(SO4)2(OH)2·7H2O

triklin : 1 : P1

VI/D.01-050

Fibroferrite

Fe3+(SO4)(OH)·5H2O

trigonal : 3 : R3

VI/D.01-060

Xitieshanite

Fe3+(SO4)Cl·6H2O

monoklin : 2/m : P21/a

VI/D.01-070

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

Metahohmannite

Fe23+(SO4)2(OH)2·3H2O

triklin : 1 : P1

7.DE.310

Amarantite

Fe3+2O(SO4)2(H2O)4·3H2O

triklin : 1 : P1

7.DE.340

Hohmannite

Fe23+(SO4)2(OH)2·7H2O

triklin : 1 : P1

7.DE.350

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

Butlerite

Fe3+(SO4)(OH)·2H2O

monoklin : 2/m : P21/m

31.09.01.01

Parabutlerite

Fe3+(SO4)(OH)·2H2O

orthorhombisch : mmm : Pmnb

31.09.02.01

Amarantite

Fe3+2O(SO4)2(H2O)4·3H2O

triklin : 1 : P1

31.09.03.01

Hohmannite

Fe23+(SO4)2(OH)2·7H2O

triklin : 1 : P1

31.09.04.01

Metahohmannite

Fe23+(SO4)2(OH)2·3H2O

triklin : 1 : P1

31.09.05.01

Botryogen

MgFe3+(SO4)2(OH)·7H2O

monoklin : 2/m : P21/n

31.09.06.01

Zincobotryogen

ZnFe3+(SO4)2(OH)·7H2O

monoklin : 2/m : P21/n

31.09.06.02

Xitieshanite

Fe3+(SO4)Cl·6H2O

monoklin : 2/m : P21/a

31.09.06.03

Guildite

CuFe3+(SO4)2(OH)·4H2O

monoklin : 2/m : P21/m

31.09.07.01

Chaidamuite

(Zn,Fe2+)Fe3+OH(SO4)2·4H2O

triklin : 1 : P1

31.09.07.02

Aubertite

CuAl(SO4)2Cl·14H2O

triklin : 1 : P1

31.09.08.01

Svyazhinite

(Mg,Mn)(Al,Fe3+)(SO4)2F·14 H2O

triklin : 1, 1 : P1, P1

31.09.08.02

Magnesioaubertite

(Mg,Cu)Al(SO4)2Cl·14 H2O

triklin : P1 : 1

31.09.08.03

Wilcoxite

MgAl(SO4)2F·18H2O

triklin : 1, 1 : P1, P1

31.09.09.01

Other languages

German

Amarantit

Spanish

Amarantita

French

Amarantite

English

Amarantite

Russian

Амарантит

Alternative Name

Castanite (of Bandy)

Paposite

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Амарантит

Mineral Dealer

German pages

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

Locations with GPS information