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Mohrite

Collectors Summary

Color hellgrün
Streak color weiß
Solubility +++ H2O
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

(NH4)2Fe2+(SO4)2·6H2O

Chem­ical com­po­si­tion

Eisen, Sauerstoff, Schwefel, Stickstoff, Wasserstoff

Unit weight: 392.1406 u; Number of atoms in the formula: 39

Info

Empirical formula:

(NH4)2Fe(SO4)2·6H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

5.14

20

51.28

1.0079470

20.1589400

Nitrogen

N

7.14

2

5.13

14.0067200

28.0134400

Oxygen

O

57.12

14

35.90

15.9994300

223.9920200

Sulfur

S

16.35

2

5.13

32.0655000

64.1310000

Iron

Fe

14.24

1

2.56

55.8452000

55.8452000

Strunz 9th edi­tion incl. updates

7.CC.60

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
C: Mit mittelgroßen und großen [Kationen]
60:Pikromerit-Gruppe

Lapis Clas­sifica­tion

VI/C.19-050

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

Clas­sifica­tion by Hölzel

7.CD.330

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

Dana 8th edi­tion

29.03.07.01

29: Hydrated Acid and Sulfates
03: Hydrated Acid and Sulfates where (A+)2 B (XO4)2 · x(H2O)
07: Mohrite Group (Ammonia bearing)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

hellgrün

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent

max. Birefrin­gence

0.012

Birefringence chart\! Mohrite title=Birefringence chart Mohrite

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

1.484

RI value β

1.489

RI value γ / ε

1.496

Ri mean

1.490

2V angle

Biaxial (+) 76°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

9.292

Cell param­e­ters b (Å)

12.601

Cell param­e­ters c (Å)

6.249

Cell param­e­ters a/b or c/a

0.737

Cell param­e­ters c/b

0.496

Cell param­e­ters α

90°

Cell param­e­ters β

106.80

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

700.457

X-Ray Pow­der Diffrac­tion

5.40(20),
4.200(60),
3.801(100),
3.153(20),
3.025(20),
2.460(30)

XRD chart Mohrite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

1.8 - 1.862 / Durchschnittlich = 1.83

1.859 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O

Preface

Author (Name, Year)

Garavelli, 1964

References

Accademia Nazionale dei Lincei, Rendiconti, Classe di Scienze Fisiche, Matematiche, e Naturali 36 (1964), 524

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

Mohrite

(NH4)2Fe2+(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CC.60

Konyaite

Na2Mg(SO4)2·5H2O

monoklin : 2/m : P21/c

7.CC.60

Picromerite

K2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CC.60

Cyanochroite

K2Cu(SO4)·6H2O

monoklin : 2/m : P21/c

7.CC.60

Boussingaultite

(NH4)2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CC.60

Katerinopoulosite

(NH4)2Zn(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CC.60

Nickelpicromerite

K2Ni(SO4)2·6H2O

monoklin : 2/m : P21/c

7.CC.60

'Nickelboussingaultite'

(NH4)2(Ni,Mg)(SO4)2·6H2O

7.CC.60

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

Picromerite

K2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

VI/C.19-010

Cyanochroite

K2Cu(SO4)·6H2O

monoklin : 2/m : P21/c

VI/C.19-020

Boussingaultite

(NH4)2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

VI/C.19-030

'Nickelboussingaultite'

(NH4)2(Ni,Mg)(SO4)2·6H2O

VI/C.19-040

Mohrite

(NH4)2Fe2+(SO4)2·6H2O

monoklin : 2/m : P21/a

VI/C.19-050

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

Picromerite

K2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CD.300

Boussingaultite

(NH4)2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CD.310

Cyanochroite

K2Cu(SO4)·6H2O

monoklin : 2/m : P21/c

7.CD.320

Mohrite

(NH4)2Fe2+(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CD.330

'Nickelboussingaultite'

(NH4)2(Ni,Mg)(SO4)2·6H2O

7.CD.340

Amarillite

NaFe3+(SO4)2·6H2O

monoklin : 2/m : C2/c

7.CD.370

Tamarugite

NaAl(SO4)2·6H2O

monoklin : 2/m : P21/a

7.CD.375

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

Syngenite

K2Ca(SO4)2·H2O

monoklin : 2/m : P21/m

29.03.01.01

Koktaite

(NH4)2Ca(SO4)2·H2O

monoklin : 2/m : P21/m

29.03.01.02

Kröhnkite

Na2Cu(SO4)2· 2H2O

monoklin : 2/m : P21/c

29.03.02.01

Blödite

Na2Mg(SO4)2·4H2O

monoklin : 2/m : P21/a

29.03.03.01

Nickelblödite

Na2(Ni,Mg)(SO4)2·4H2O

monoklin : 2/m : P21/a

29.03.03.02

Leonite

K2Mg(SO4)2·4H2O

monoklin : 2/m : C2/m

29.03.03.03

Mereiterite

K2Fe2+[SO4]2·4H2O

monoklin : 2/m : C2/m

29.03.03.04

Changoite

Na2Zn[SO4]2·4H2O

monoklin : 2/m : P21/a

29.03.03.05

Konyaite

Na2Mg(SO4)2·5H2O

monoklin : 2/m : P21/c

29.03.05.01

Picromerite

K2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

29.03.06.01

Cyanochroite

K2Cu(SO4)·6H2O

monoklin : 2/m : P21/c

29.03.06.02

Mohrite

(NH4)2Fe2+(SO4)2·6H2O

monoklin : 2/m : P21/a

29.03.07.01

Boussingaultite

(NH4)2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

29.03.07.02

'Nickelboussingaultite'

(NH4)2(Ni,Mg)(SO4)2·6H2O

29.03.07.03

Mosesite

Hg2N(Cl,SO4,MoO4,CO3)·H2O

kubisch : 43m : F43m

29.03.08.01

Other languages

German

Mohrit

Spanish

Mohrita

French

Mohrite

English

Mohrite

Russian

Морит

Traditional Chinese

六水銨鐵礬

Simplified Chinese

六水铵铁矾

IMA Number

IMA 1964-023

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Морит

Mineral Dealer

German pages

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

Locations with GPS information