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Siderotil

Collectors Summary

Color gelblich, gelblich weiß, weiß, hellgrün, hellgrün weiß
Streak color weiß
Hardness (Mohs) 2.5
Solubility +++ H2O, stabil von Fe0.95Cu0.05 bis Fe0.5Cu0.5 an der Luft beinormalen Temperaturen und Luftfeuchte
Crystal System triklin, P1

Chemism

Chem­ical formula

Fe(SO4)·5H2O

Chem­ical com­po­si­tion

Eisen, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 241.98504 u; Number of atoms in the formula: 21

Info

Empirical formula:

Fe(SO4)·5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

4.17

10

47.62

1.0079470

10.0794700

Oxygen

O

59.51

9

42.86

15.9994300

143.9948700

Sulfur

S

13.25

1

4.76

32.0655000

32.0655000

Iron

Fe

23.08

1

4.76

55.8452000

55.8452000

Strunz 9th edi­tion incl. updates

7.CB.20

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

Lapis Clas­sifica­tion

VI/C.04-020

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
4: Mittelgroße Kationen; Chalkanthit-Gruppe

Clas­sifica­tion by Hölzel

7.CB.230

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
B: Vitriol-Group, Mg,Fe,Co,Ni,Mn,Cu,Zn-Sulfates with 4 to 7 Water
2: Pentahydrite-Group

Dana 8th edi­tion

29.06.07.02

29: Hydrated Acid and Sulfates
06: Hydrated Acid and Sulfates where A XO4 · x(H2O)
07: Chalchanthite Group (Triclinic: P-1)

IMA sta­tus

Neudefinition von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Chalcanthit group

Optical Properties

Color

gelblich, gelblich weiß, weiß, hellgrün, hellgrün weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.021

Birefringence chart\! Siderotil title=Birefringence chart Siderotil

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

1.514

RI value β

1.526

RI value γ / ε

1.535

Ri mean

1.525

2V angle

Biaxial (-) 55°

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

1

Space Group number

2

Space Group

P1

Cell param­e­ters a (Å)

6.292

Cell param­e­ters b (Å)

10.632

Cell param­e­ters c (Å)

6.072

Cell param­e­ters a/b or c/a

0.592

Cell param­e­ters c/b

0.571

Cell param­e­ters α

82.63

Cell param­e­ters β

110.2

Cell param­e­ters γ

105.18

Z

2

Volumne (ų)

367.589

X-Ray Pow­der Diffrac­tion

5.73(50),
5.57(60),
4.89(100),
3.90(30),
3.73(80),
3.21(40),
2.92(40),
2.68(40)

XRD chart Siderotil

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

Density (g/cm³)

2.1 - 2.2 / Durchschnittlich = 2.15

2.186 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O, stabil von Fe0.95Cu0.05 bis Fe0.5Cu0.5 an der Luft beinormalen Temperaturen und Luftfeuchte

(Co-)Type locality

(Co-)Type locality

Slowenien/Idrija (Idria)/Idria Mine

Preface

Author (Name, Year)

Schrauf, 1891

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 646

CNMNC Newsletter No. 50; Mineralogical Magazine, 31 [Formel]

IMA group assignments

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

'Sanderite'

MgSO4·2H2O

7.CB.20

Belogubite

CuZn(SO4)2·10H2O

triklin : 1 : P1

7.CB.20

Jôkokuite

MnSO4·5H2O

triklin : 1 : P1

7.CB.20

Siderotil

Fe(SO4)·5H2O

triklin : 1 : P1

7.CB.20

Chalcanthite

CuSO4·5H2O

triklin : 1 : P1

7.CB.20

Pentahydrite

MgSO4·5H2O

triklin : 1 : P1

7.CB.20

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

Pentahydrite

MgSO4·5H2O

triklin : 1 : P1

VI/C.04-010

Siderotil

Fe(SO4)·5H2O

triklin : 1 : P1

VI/C.04-020

Jôkokuite

MnSO4·5H2O

triklin : 1 : P1

VI/C.04-030

Chalcanthite

CuSO4·5H2O

triklin : 1 : P1

VI/C.04-040

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

Pentahydrite

MgSO4·5H2O

triklin : 1 : P1

7.CB.200

Chalcanthite

CuSO4·5H2O

triklin : 1 : P1

7.CB.210

Siderotil

Fe(SO4)·5H2O

triklin : 1 : P1

7.CB.230

Jôkokuite

MnSO4·5H2O

triklin : 1 : P1

7.CB.260

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

Bassanite

CaSO4·0.5H2O

monoklin : 2 : I2

29.06.01.01

Kieserite

MgSO4·H2O

monoklin : 2/m : C2/c

29.06.02.01

Szomolnokite

Fe2+SO4·H2O

monoklin : 2/m : C2/c

29.06.02.02

Szmikite

MnSO4·H2O

monoklin : 2/m : C2/c

29.06.02.03

Poitevinite

Cu(SO4)·H2O

triklin : 1 : P1

29.06.02.04

Gunningite

(Zn,Mn)SO4·H2O

monoklin : 2/m : C2/c

29.06.02.05

Dwornikite

(Ni,Fe2+)SO4·H2O

monoklin : 2/m : C2/c

29.06.02.06

Cobaltkieserite

Co[SO4]·H2O

monoklin : 2/m : C2/c

29.06.02.07

Gypsum

CaSO4·2H2O

monoklin : 2/m : I2/a

29.06.03.01

Bonattite

CuSO4·3H2O

monoklin : m : Cc

29.06.05.01

Rozenite

Fe2+SO4·4H2O

monoklin : 2/m : P21/n

29.06.06.01

'Starkeyite'

MgSO4·4H2O

monoklin : 2/m : P21/n

29.06.06.02

Ilesite

(Mn,Zn,Fe2+)SO4·4H2O

monoklin : 2/m : P21/n

29.06.06.03

Aplowite

(Co,Mn,Ni)SO4·4H2O

monoklin : 2/m : P21/n

29.06.06.04

Boyleite

(Zn,Mg)SO4·4H2O

monoklin : 2/m : P21/n

29.06.06.05

Chalcanthite

CuSO4·5H2O

triklin : 1 : P1

29.06.07.01

Siderotil

Fe(SO4)·5H2O

triklin : 1 : P1

29.06.07.02

Pentahydrite

MgSO4·5H2O

triklin : 1 : P1

29.06.07.03

Jôkokuite

MnSO4·5H2O

triklin : 1 : P1

29.06.07.04

Hexahydrite

MgSO4·6H2O

monoklin : 2/m : C2/c

29.06.08.01

Bianchite

(Zn,Fe2+)(SO4)·6H2O

monoklin : 2/m : C2/c

29.06.08.02

Ferrohexahydrite

Fe2+SO4·6H2O

monoklin : 2/m : C2/c

29.06.08.03

Nickelhexahydrite

(Ni,Mg,Fe2+)(SO4)·6H2O

monoklin : 2/m : A2/a

29.06.08.04

Moorhouseite

(Co,Ni,Mn)SO4·6H2O

monoklin : 2/m : C2/c

29.06.08.05

Chvaleticeite

(Mn2+,Mg)SO4·6H2O

monoklin : 2/m : C2/c

29.06.08.06

Retgersite

NiSO4·6H2O

tetragonal : 422, 422 : P41212, P43212

29.06.09.01

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Siderotilo

Russian

Сидеротил

Simplified Chinese

铁矾

Alternative Name

French

Siderotile

German

Siderotyl

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