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Gunningite (Gunningit)

Pictures (3 Images total)

Gunningit
Views (File:
1456349222
): 673
Gunningit
Gunningit; Steinbruch Kropbach, Münstertal, Schwarzwald, Baden-Württemberg, BRD; Stufe: 5 x 3 cm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Breisgau-Hochschwarzwald, Landkreis/Staufen im Breisgau/Grunern/Kropbach/Porphyrbruch
Mineral: Gunningite
Image: 1456349222
License: Usage for Mineralienatlas project only
Gunningit

Gunningit; Steinbruch Kropbach, Münstertal, Schwarzwald, Baden-Württemberg, BRD; Stufe: 5 x 3 cm
Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2016-02-24
Locality: Porphyrbruch / Kropbach / Grunern / Staufen im Breisgau / Breisgau-Hochschwarzwald, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Gunningit
Views (File:
1479196136
): 501
Gunningit
Keno Hill, Yukon Territory, Kanada. Bildbreite 0,7 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Kanada/Yukon-Territorium/Mayo Mining District/Keno Hill
Mineral: Gunningite
Image: 1479196136
License: Usage for Mineralienatlas project only
Gunningit

Keno Hill, Yukon Territory, Kanada. Bildbreite 0,7 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2016-11-15
Locality: Keno Hill / Mayo Mining District / Yukon-Territorium / Kanada
Gunningit
Views (File:
1456349565
): 1023
Gunningit
Gunningit; Steinbruch Kropbach, Münstertal, Schwarzwald, Baden-Württemberg, BRD; Bildbreite: 2,5 mm
Copyright: chribiedav; Contribution: chribiedav
Collection: chribiedav
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Breisgau-Hochschwarzwald, Landkreis/Staufen im Breisgau/Grunern/Kropbach/Porphyrbruch
Mineral: Gunningite
Image: 1456349565
Rating: 3 (votes: 1)
License: Usage for Mineralienatlas project only
Gunningit

Gunningit; Steinbruch Kropbach, Münstertal, Schwarzwald, Baden-Württemberg, BRD; Bildbreite: 2,5 mm
Collection: chribiedav
Copyright: chribiedav
Contribution: chribiedav 2016-02-24
Locality: Porphyrbruch / Kropbach / Grunern / Staufen im Breisgau / Breisgau-Hochschwarzwald, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

You find additional Gunningit specimen at the Geolitho Museum

Collectors Summary

Color weiß
Streak color weiß
Hardness (Mohs) 2.5
Solubility +++ H2O
Crystal System monoklin, C2/c

Chemism

Chemical formula

(Zn,Mn)SO4·H2O

Chemical composition

Mangan, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 176.870106475 u; Number of atoms in the formula: 9

Info

Empirical formula:

(Zn0.75Mn0.25)SO4·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.14

2

22.22

1.0079470

2.0158940
Oxygen

O

45.23

5

55.56

15.9994300

79.9971500
Sulfur

S

18.13

1

11.11

32.0655000

32.0655000
Manganese

Mn

7.77

0.25

2.78

54.9380499

13.7345125
Zinc

Zn

27.74

0.75

8.33

65.4094000

49.0570500

Strunz 9th edition incl. updates

7.CB.05

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

Lapis Classification

VI/C.01-060

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

Classification by Hölzel

7.CA.120

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
A: Sulfates, C medium

Dana 8th edition

29.06.02.05

29: Hydrated Acid and Sulfates
06: Hydrated Acid and Sulfates where A XO4 · x(H2O)
02: Kieserite Group (Mono-hydrates)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Kieserite group

Optical Properties

Color

weiß

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.060
Birefringence chart\! Gunningite title=Birefringence chart Gunningite

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

1.570

RI value β

1.576

RI value γ / ε

1.630

Ri mean

1.592

2V angle

Biaxial (+) 40°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

7.566

Cell parameters b (Å)

7.586

Cell parameters c (Å)

6.954

Cell parameters a/b or c/a

0.997

Cell parameters c/b

0.917

Cell parameters α

90°

Cell parameters β

115.93

Cell parameters γ

90°

Z

4

Volumne (ų)

358.949

X-Ray Powder Diffraction

4.77(70),
3.40(100),
3.32(30),
3.29(30),
3.05(60),
2.51(40),
2.19(30),
1.968(30)
XRD chart Gunningite

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

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)

3.195

3.273 ( ρ calc. Mineralienatlas )

Instability

+++ H2O

(Co-)Type locality

(Co-)Type locality

Kanada/Yukon-Territorium/Mayo Mining District/Galena Hill/Calumet/Hector-Calumet Mine

Kanada/Yukon-Territorium/Mayo Mining District/Keno Hill/Comstock - Keno Mine

Preface

Author (Name, Year)

Jambor & Boyle, 1962

References

Canadian Mineralogist 7 (1962), 209

IMA group assignments

 
Kieserite group
 
 
 

 
 
Cobaltkieserite
Co[SO4]·H2O
monoklin
C2/c

 
 
Dwornikite
(Ni,Fe2+)SO4·H2O
monoklin
C2/c

 
 
Gunningite
(Zn,Mn)SO4·H2O
monoklin
C2/c

 
 
Kieserite
MgSO4·H2O
monoklin
C2/c

 
 
Serrabrancaite
Mn3+[PO4]·H2O
monoklin
C2/c

 
 
Szmikite
MnSO4·H2O
monoklin
C2/c

 
 
Szomolnokite
Fe2+SO4·H2O
monoklin
C2/c

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Actuality: 19. Mar 2023 - 13:23:23

Other languages

German

Gunningit

Spanish

Gunningita

French

Gunningite

English

Gunningite

Russian

Ганнингит

CNMNC symbol

Symbol

Gnn

Locations with GPS information