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Boussingaultite

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Boussingaultit
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Boussingaultit

Bildbreite: 1,2 mm; Fundort: Pécs-Vasas, Pécs, Komitat Baranya, Ungarn
Copyright: Stephan Wolfsried
Contribution: Hg 2014-10-10
Locality: Pécs-Vasas / Pécs / Pécs, Kreis / Baranya, Komitat / Ungarn
Boussingaultit
Views (Image: 1412936456): 769
Boussingaultit

Bildbreite: 1,2 mm; Fundort: Pécs-Vasas, Pécs, Komitat Baranya, Ungarn
Copyright: Stephan Wolfsried
Contribution: Hg 2014-10-10
Locality: Pécs-Vasas / Pécs / Pécs, Kreis / Baranya, Komitat / Ungarn

Collectors Summary

Color weiß
Streak color weiß
Hardness (Mohs) 2
Solubility +++ H2O
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

(NH4)2Mg(SO4)2·6H2O

Chem­ical com­po­si­tion

Magnesium, Sauerstoff, Schwefel, Stickstoff, Wasserstoff

Unit weight: 360.60046 u; Number of atoms in the formula: 39

Info

Empirical formula:

(NH4)2Mg(SO4)2·6H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

5.59

20

51.28

1.0079470

20.1589400
Nitrogen

N

7.77

2

5.13

14.0067200

28.0134400
Oxygen

O

62.12

14

35.90

15.9994300

223.9920200
Magnesium

Mg

6.74

1

2.56

24.3050600

24.3050600
Sulfur

S

17.78

2

5.13

32.0655000

64.1310000

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.19-030

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.310

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

Dana 8th edi­tion

29.03.07.02

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

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

weiß

Streak color

weiß

max. Birefrin­gence

0.007
Birefringence chart\! Boussingaultite title=Birefringence chart Boussingaultite

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

1.472

RI value β

1.473

RI value γ / ε

1.479

Ri mean

1.475

2V angle

Biaxial (+) 51°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

9.28

Cell param­e­ters b (Å)

12.57

Cell param­e­ters c (Å)

6.20

Cell param­e­ters a/b or c/a

0.738

Cell param­e­ters c/b

0.493

Cell param­e­ters α

90°

Cell param­e­ters β

107.10

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

691.256

X-Ray Pow­der Diffrac­tion

5.375(50),
4.263(60),
4.205(100),
4.139(30),
3.802(80),
3.151(50),
3.012(30),
2.783(30)
XRD chart Boussingaultite

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

VHN (Hard­ness Vick­ers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.722s

1.732 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Grosseto, Provinz/Val di Cecina/Montieri/Travale

Preface

Author (Name, Year)

Bechi, 1864

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 82

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

Boussingaultit

Spanish

Boussingaultita

French

Boussingaultite

English

Boussingaultite

Russian

Буссенготит

Simplified Chinese

六水铵镁矾

Alternative Name

German

Cerbolit

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

German pages

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Mineralogisch-Petrographisches-Institut Hamburg - search for: Boussingaultit

English pages

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Russian pages

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German pages

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