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Dugganite

Pictures (2 Images total)

Dugganit
Views (File:
1112585107
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Dugganit
Kruste weißlich grüner blockiger Dugganit-Kriställchen auf zersetztem Sulfid (Galenit ?), das die Farbe dunkler erscheinen lässt; Bildausschnitt: 6 x 8 mm; Fundort: Empire Mine, Tombstone, Cochise Co., Arizona, USA
Copyright: Peter Haas; Contribution: Mineralienatlas
Location: USA/Arizona/Cochise Co./Tombstone District/Tombstone/Empire Mine
Mineral: Dugganite
Image: 1112585107
License: Usage for Mineralienatlas project only
Dugganit

Kruste weißlich grüner blockiger Dugganit-Kriställchen auf zersetztem Sulfid (Galenit ?), das die Farbe dunkler erscheinen lässt; Bildausschnitt: 6 x 8 mm; Fundort: Empire Mine, Tombstone, Cochise ...

Copyright: Peter Haas
Contribution: Mineralienatlas 2005-04-04
Locality: Empire Mine / Tombstone / Tombstone District / Cochise Co. / Arizona / USA
Dugganit
Views (File:
1364841491
): 638
Dugganit
Kugeliger blauer Kristall, BB = 3,8 mm, Fundort: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A005674, Donator: Brent Thorne
Location: USA/Utah/Juab Co./Tintic District/Eureka/Centennial Eureka Mine
Mineral: Dugganite
Image: 1364841491
License: Usage for Mineralienatlas project only
Dugganit (SNr: A005674)

Kugeliger blauer Kristall, BB = 3,8 mm, Fundort: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2013-04-01
Locality: Centennial Eureka Mine / Eureka / Tintic District / Juab Co. / Utah / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, grün
Streak color weiß
Hardness (Mohs) 3
Solubility +++ Säuren
Crystal System trigonal, P321

Chemism

Chemical formula

Pb3Zn3Te(As,V,Si)2(O,OH)14

Chemical composition

Arsen, Blei, Silicium, Tellur, Zink, Sauerstoff, Vanadium, Wasserstoff

Unit weight: 1299.0689689 u; Number of atoms in the formula: 26.5

Info

Empirical formula:

Pb3Zn3Te(As0.6V0.3Si0.1)2(O0.75(OH)0.25)14

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.27

3.5

13.21

1.0079470

3.5278145

Oxygen

O

17.24

14

52.83

15.9994300

223.9920200

Silicon

Si

0.43

0.2

0.75

28.0855300

5.6171060

Vanadium

V

2.35

0.6

2.26

50.9415100

30.5649060

Zinc

Zn

15.11

3

11.32

65.4094000

196.2282000

Arsenic

As

6.92

1.2

4.53

74.9216020

89.9059224

Tellurium

Te

9.82

1

3.77

127.6030000

127.6030000

Lead

Pb

47.85

3

11.32

207.2100000

621.6300000

Analysis wt%

SiO2 : 1.06, P2O5 : 4.90, As2O5 : 8.28, TeO3 : 13.48, ZnO : 17.25, CuO : 1.06, PbO : 53.13 (Ref: Canadian Mineralogist 98)

Strunz 9th edition incl. updates

8.BL.20

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
L: Mit mittelgroßen und großen [Kationen] (OH, etc.):RO4 = 3:1
20:Dugganit-Gruppe

Lapis Classification

IV/K.16-010

IV: OXIDE
K: Sulfite, Selenite, Tellurite
16: Tellurate mit [Te6+O6] 6- + [XO4]-Gruppen (X=P,As,S,V) und komplexe Tellurit-Tellurate [Te4+O3] 2-+ [Te6+O6] 6-

Classification by Hölzel

8.BL.840

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
L: Phosphates, very large: 2, Vmed: 2
8: With other complex Anions: Tellurates

Dana 8th edition

33.03.05.03

33: Selenates and Tellurates
03: Selenates and Tellurates with other anion groups
05: Pb, Zn Tellurates

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos, grün

Streak color

weiß

max. Birefringence

0.010

Birefringence chart\! Dugganite title=Birefringence chart Dugganite

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

1.977

RI value γ / ε

1.967

Ri mean

1.974

2V angle

Uniaxial (-)

Crystallography

Crystal System

trigonal

Class (H-M)

32

Space Group number

150

Space Group

P321

Cell parameters a (Å)

8.460

Cell parameters b (Å)

-

Cell parameters c (Å)

5.206

Cell parameters a/b or c/a

0.615

Cell parameters c/b

-

Z

1

Volume (ų)

322.683

X-Ray Powder Diffraction

5.204(40),
3.284(100),
2.997(80),
2.773(50),
2.446(60),
1.896(60),
1.603(60),
1.177(50)

XRD chart Dugganite

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)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

6.33 (gemessen)

6.685 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Name from

der Chemikerin Marjorie Duggan

Author (Name, Year)

Williams, 1978

Additional Information

Entdeckungsjahr: 1978

References

Canadian Mineralogist 36 (1998), 823

Other languages

German

Dugganit

Spanish

Dugganita

French

Dugganite

English

Dugganite

Russian

Дагганит

CNMNC symbol

Symbol

Dug

Locations with GPS information

IDs

GUSID (Global unique identifier short form) x6-JFQPlcUmLr1qpGy1y7g
GUID (Global unique identifier) 1589AFC7-E503-4971-8BAF-5AA91B2D72EE
Database ID 974