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Goudeyite

Pictures (18 Images total)

Goudeyit
Views (File:
1640776339
): 376
Goudeyit
blaugrüne Büschel; Grube Clara, Oberwolfach, Ortenaukreis, Freiburg, Baden-Württemberg, DE; Bildbreite ca. 3mm; Fund: 2017 Jürgen Ingendahl
Copyright: Stefan; Contribution: Stefan
Collection: Lithothek der Münchener Micromounter, Collection number: 2ialSZdfSMqdW2yd54nxOA (A04504, Donator: Jürgen Ingendahl
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Goudeyite
Image: 1640776339
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Goudeyit (SNr: 2ialSZdfSMqdW2yd54nxOA (A04504)

blaugrüne Büschel; Grube Clara, Oberwolfach, Ortenaukreis, Freiburg, Baden-Württemberg, DE; Bildbreite ca. 3mm; Fund: 2017 Jürgen Ingendahl
Collection: Lithothek der Münchener Micromounter
Copyright: Stefan
Contribution: Stefan 2021-12-29
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Goudeyit
Views (File:
1598794452
): 580
Goudeyit
Grube Clara, Wolfach, Schwarzwald. BB: 2,2mm; EDX-Analyse von Joy Desor.
Copyright: Mabu; Contribution: Mabu
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Goudeyite
Image: 1598794452
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Goudeyit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Grube Clara, Wolfach, Schwarzwald. BB: 2,2mm; EDX-Analyse von Joy Desor.
Copyright: Mabu
Contribution: Mabu 2020-08-30
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Goudeyit
Views (File:
1468055564
): 608
Goudeyit
mit Olivenit von der Majuba Hill Mine bei Winnemucca im Pershing Co., Nevada; traubig-samtige grüne Kristalle; BB 2,3 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter
Location: USA/Nevada/Pershing County/Antelope District/Majuba Hill Mine (Mylar Mine)
Mineral: Goudeyite
Image: 1468055564
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Goudeyit

mit Olivenit von der Majuba Hill Mine bei Winnemucca im Pershing Co., Nevada; traubig-samtige grüne Kristalle; BB 2,3 mm
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2016-07-09
Locality: Majuba Hill Mine (Mylar Mine) / Antelope District / Pershing County / Nevada / USA
Goudeyit
Views (File:
1598794700
): 516
Goudeyit
Grube Clara, Wolfach, Schwarzwald. BB: 2,3mm; EDX-Analyse von Joy Desor.
Copyright: Mabu; Contribution: Mabu
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Goudeyite
Image: 1598794700
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Goudeyit  E
Analysed with energy dispersive X-ray spectroscopy EDX

Grube Clara, Wolfach, Schwarzwald. BB: 2,3mm; EDX-Analyse von Joy Desor.
Copyright: Mabu
Contribution: Mabu 2020-08-30
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Goudeyit
Views (File:
1641737403
): 212
Goudeyit
blaugrüne Büschel; Grube Clara, Oberwolfach, Ortenaukreis, Freiburg, Baden-Württemberg, DE; Bildbreite ca. 1.8mm; Fund: 2017 Jürgen Ingendahl
Copyright: Stefan; Contribution: Stefan
Collection: Stefan, Collection number: OT8MX5ATQMq6nTZEqvImEA, Donator: Jürgen Ingendahl
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Goudeyite
Image: 1641737403
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Goudeyit (SNr: OT8MX5ATQMq6nTZEqvImEA)

blaugrüne Büschel; Grube Clara, Oberwolfach, Ortenaukreis, Freiburg, Baden-Württemberg, DE; Bildbreite ca. 1.8mm; Fund: 2017 Jürgen Ingendahl
Collection: Stefan
Copyright: Stefan
Contribution: Stefan 2022-01-09
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos, gelbgrün
Streak color grünlichweiß
Hardness (Mohs) 3.5
Solubility +++ Säuren
Crystal System hexagonal, P63/m, P63

Chemism

Chemical formula

(Al,Y)Cu6(AsO4)3(OH)6·3H2O

Chemical composition

Aluminium, Arsen, Kupfer, Yttrium, Sauerstoff, Wasserstoff

Unit weight: 996.58861665 u; Number of atoms in the formula: 43

Info

Empirical formula:

(Al0.75Y0.25)Cu6(AsO4)3(OH)6·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.21

12

27.91

1.0079470

12.0953640
Oxygen

O

33.71

21

48.84

15.9994300

335.9880300
Aluminium

Al

2.03

0.75

1.74

26.9815382

20.2361537
Copper

Cu

38.26

6

13.95

63.5463000

381.2778000
Arsenic

As

22.55

3

6.98

74.9216020

224.7648060
Yttrium

Y

2.23

0.25

0.58

88.9058520

22.2264630

Analysis wt%

CaO : 1.37, CuO : 46.77, Al2O3 : 4.00, Y2O3 : 3.40, P2O5 : 4.55, As2O5 : 27.85, H2O : 11.00, Ln2O3 : 3.40 (Ref: American Mineralogist 78)

Strunz 9th edition incl. updates

8.DL.15

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
L: Mit großen und mittelgroßen [Kationen], (OH, etc.):RO4 = 2:1
15:Mixit-Gruppe

Lapis Classification

VII/D.53-020

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
53: Mittelgroße und sehr große Kationen: Al-Mg und Ca-Na-K; Mixit-Gruppe

Classification by Hölzel

8.DN.160

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
N: Agardite-Group

Dana 8th edition

42.05.01.03

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
05: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (A)2 (XO4) Zq · x(H2O)
01: Mixite group (Arsenate Series)

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Mixite group

Optical Properties

Color

farblos, gelbgrün

Streak color

grünlichweiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.061
Birefringence chart\! Goudeyite title=Birefringence chart Goudeyite

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

1.704

RI value γ / ε

1.765

Ri mean

1.724

2V angle

Uniaxial (+)

Crystallography

Crystal System

hexagonal

Class (H-M)

6

Space Group number

173

Space Group

P63/m, P63

Cell parameters a (Å)

13.47

Cell parameters b (Å)

-

Cell parameters c (Å)

5.90

Cell parameters a/b or c/a

0.438

Cell parameters c/b

-

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

120°

Z

2

Volume (ų)

927.081

X-Ray Powder Diffraction

11.63(100),
4.41(40),
3.53(10),
3.367(20),
3.235(50),
2.920(50),
2.677(40),
2.546(50)
XRD chart Goudeyite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

130 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.5

3.57 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

(Co-)Type locality

(Co-)Type locality

USA/Nevada/Pershing County/Antelope District/Majuba Hill Mine (Mylar Mine)

Preface

Author (Name, Year)

Wise, 1978

References

American Mineralogist 63 (1978), 704

IMA group assignments

Other languages

German

Goudeyit

Spanish

Goudeyita

French

Goudeyite

English

Goudeyite

Russian

Гоудейит

CNMNC (IMA)-Number

IMA 1978-015

CNMNC symbol

Symbol

Gdy

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 65fRHG1zhE6xPl99Ryr-Pg
GUID (Global unique identifier) 1CD197EB-736D-4E84-B13E-5F7D472AFE3E
Database ID 1432