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Aldridgeite

Pictures (3 Images total)

Aldridgeit xx
Views (File:
1604508782
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Aldridgeit xx
Kelly Mine,Socorro Co./New Mexico USA; Bildbreite 1,7 mm
Copyright: Haubi; Contribution: Haubi
Collection: Haubi
Location: USA/New Mexico/Socorro Co./Magdalena District/Kelly Mine
Mineral: Aldridgeite
Image: 1604508782
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Aldridgeit xx

Kelly Mine,Socorro Co./New Mexico USA; Bildbreite 1,7 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2020-11-04
Locality: Kelly Mine / Magdalena District / Socorro Co. / New Mexico / USA
Aldridgeite
Views (File:
1445251940
): 1925
Aldridgeite
Silky needles of aldridgeite with blue niedermayrite. FOV 1mm. A Specimen, similar to this, has been analyzed by EDS and XRD; Locality: Block 14 opencut, Broken Hill, Yancowinna Co., New South Wales, Australia; Field of View: 1 mm
Copyright: Brent Thorne; Contribution: Stefan
Collection: Brent Thorne
Location: Australien/New South Wales/Yancowinna Co./Broken Hill/Block 14 Opencut
Mineral: Aldridgeite
Image: 1445251940
License: Usage for Mineralienatlas project only
Aldridgeite

Silky needles of aldridgeite with blue niedermayrite. FOV 1mm. A Specimen, similar to this, has been analyzed by EDS and XRD; Locality: Block 14 opencut, Broken Hill, Yancowinna Co., New South Wale...

Collection: Brent Thorne
Copyright: Brent Thorne
Contribution: Stefan 2015-10-19
Locality: Block 14 Opencut / Broken Hill / Yancowinna Co. / New South Wales / Australien
Aldrigeit xx, Gips xx
Views (File:
1639606906
): 190
Aldrigeit xx, Gips xx
Bildbreite 0,7 mm, Aufnahmen 103 mit der Stacking Methode
Copyright: Karlheinz Grosch; Contribution: Karlheinz Grosch
Collection: Karlheinz Grosch
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Km 3, Revier/Kaminiza Minen/Esperanza Mine
Mineral: Aldridgeite
Image: 1639606906
License: Usage for Mineralienatlas project only
Aldrigeit xx, Gips xx

Bildbreite 0,7 mm, Aufnahmen 103 mit der Stacking Methode

Collection: Karlheinz Grosch
Copyright: Karlheinz Grosch
Contribution: Karlheinz Grosch 2021-12-15
Locality: Esperanza Mine / Kaminiza Minen / Km 3, Revier / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland

Collectors Summary

Color blass blau
Streak color blass blau
Lustre Glasglanz, Seidenglanz
Hardness (Mohs) ~ 3
Fracture unregelmäßig
Crystal System monoklin, C2/c
Morphology Aldridgeite Formen Büschel aus hellblauen nadelförmigen Kristallen bis 0,8 mm Durchmesser. Einzelkristalle sind bis zu 0,4 mm lang und 0,005 mm breit.

Chemism

Chemical formula

(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6·3H2O

Empirical formula (analysis)

(Cd0.62Ca0.39)Σ1.01(Cu2.89Zn1.10)Σ3.99(SO4)2.00(OH)6·3H2O

Additional chem. information

Cd Analog von Serpierit

Chemical composition

Cadmium, Calcium, Kupfer, Zink, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 689.141713 u; Number of atoms in the formula: 36

Info

Empirical formula:

(Cd0.62Ca0.39)(Cu2.89Zn1.10)(SO4)2.00(OH)6·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.76

12

33.33

1.0079470

12.0953640

Oxygen

O

39.47

17

47.22

15.9994300

271.9903100

Sulfur

S

9.31

2

5.56

32.0655000

64.1310000

Calcium

Ca

2.27

0.39

1.08

40.0784000

15.6305760

Copper

Cu

26.65

2.89

8.03

63.5463000

183.6488070

Zinc

Zn

10.44

1.1

3.06

65.4094000

71.9503400

Cadmium

Cd

10.11

0.62

1.72

112.4118000

69.6953160

Analysis wt%

CdO : 11.70, CaO : 3.25, PbO : 0.08, CuO : 33.87, ZnO : 13.21, SO3 : 23.61 H2O (berechnet, um eine Gesamtzahl von 12 H pfu zu erhalten) : 15.94

Strunz 9th edition incl. updates

7.DD.30

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
30:Devillin-Gruppe

Lapis Classification

VI/D.19-015

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
19: Mittelgroße und sehr große Kationen

Classification by Hölzel

7.DJ.120

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
J: Serpierite-Group

IMA status

anerkannt - CNMNC Newsletter, August 2010

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Devilline group

Optical Properties

Color

blass blau

Streak color

blass blau

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz, Seidenglanz

max. Birefringence

0.047

Birefringence chart\! Aldridgeite title=Birefringence chart Aldridgeite

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

α = 1.596(3)

RI value β

β = 1.636(3)

RI value γ / ε

γ = 1.643(3)

Ri mean

1.625

2V angle

Biaxial(-) 44.5° (berechnet)

Pleochroism

Pleochroismus schwach mit X blass gelbliche blau, hellblau Y, Z blass grünlich-blau

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

22.049

Cell parameters b (Å)

6.212

Cell parameters c (Å)

21.839

Cell parameters a/b or c/a

3.549

Cell parameters c/b

3.516

Cell parameters α

90°

Cell parameters β

113.18

Cell parameters γ

90°

Z

8

Volume (ų)

2749.777

X-Ray Powder Diffraction

10.167(100), 5.076(55), 3.380(35), 2.704(30), 2.645(60), 2.612(30), 2.439(50), 2.167(35)

XRD chart Aldridgeite

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

Morphology

Aldridgeite Formen Büschel aus hellblauen nadelförmigen Kristallen bis 0,8 mm Durchmesser. Einzelkristalle sind bis zu 0,4 mm lang und 0,005 mm breit.

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

~ 3

Density (g/cm³)

3.25 (gemessen), 3.33 (berechnet)

3.329 ( ρ calc. Mineralienatlas )

Fracture

unregelmäßig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Australien/New South Wales/Yancowinna Co./Broken Hill/Block 14 Opencut

Type material

Sammlung des Südaustralischen Museums, Adelaide, Südaustralien

Collection number of type material

G33030

Preface

Occurrences

Aldridgeit tritt in Hohlräumen in einer Quarz-Granat-Smithsonit Matrix zusammen mit Niedermayrit und Pyromorphit auf.

Author (Name, Year)

Elliott, P. and Pring, A. (2010)

References

Elliott, P. and Pring, A. (2010) Aldridgeite, IMA 2010-029. CNMNC Newsletter, August 2010, page 800; Mineralogical Magazine, 74, 797-800

Elliott, P. & Pring, A. (2015) Aldridgeite, a new mineral from the Block 14 Opencut, Broken Hill, New South Wales. Australian Journal of Mineralogy, 17, 67–71.

IMA group assignments


 
 
(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6·3H2O
monoklin
C2/c

 
 
Mn2+Cu4[(OH)6|(SO4)2]·4H2O
monoklin
C2

 
 
CaCu4(SO4)2(OH)6·3H2O
monoklin
P21/c

 
 
Cu5(SO4)2(OH)6·4H2O
triklin
P1

 
 
PbCu42+(OH)6(SO4)2·3H2O
monoklin
P21/c

 
 
Ca(Cu,Zn)4(SO4)2(OH)6·3H2O
orthorhombisch
Pca21

 
 
Ca(Cu,Zn)4(SO4)2(OH)6·3H2O
monoklin
C2/c

 
 
CaCu4(SO4)2(OH)6 · 3H2O
monoklin
P21/b

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Actuality: 12. Mar 2024 - 09:01:18

Other languages

German

Aldridgeit

English

Aldridgeite

Russian

Олдриджит

CNMNC (IMA)-Number

IMA 2010-029

CNMNC symbol

Symbol

Adg

Locations with GPS information

IDs

GUSID (Global unique identifier short form) uAs0MaST7kmxBUSmAmY1ww
GUID (Global unique identifier) 31340BB8-93A4-49EE-B105-44A6026635C3
Database ID 6942