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Aldridgeite

Pictures (2 Images total)

Aldridgeit xx
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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
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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

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

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

Volumne (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.

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Devilline

CaCu4(SO4)2(OH)6·3H2O

monoklin : 2/m : P21/c

7.DD.30

Serpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

7.DD.30

Campigliaite

Mn2+Cu4[(OH)6|(SO4)2]·4H2O

monoklin : 2 : C2

7.DD.30

Edwardsite

Cu3Cd2(SO4)2(OH)6·4H2O

monoklin : 2/m : P21/C

7.DD.30

Aldridgeite

(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

7.DD.30

Lautenthalite

PbCu42+(OH)6(SO4)2·3H2O

monoklin : 2/m : P21/c

7.DD.30

Niedermayrite

CdCu4[(OH)6|(SO4)2]·4H2O

monoklin : 2/m : P21/m

7.DD.30

Orthoserpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

orthorhombisch : mm2 : Pca21

7.DD.30

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Campigliaite

Mn2+Cu4[(OH)6|(SO4)2]·4H2O

monoklin : 2 : C2

VI/D.19-002

Edwardsite

Cu3Cd2(SO4)2(OH)6·4H2O

monoklin : 2/m : P21/C

VI/D.19-004

Niedermayrite

CdCu4[(OH)6|(SO4)2]·4H2O

monoklin : 2/m : P21/m

VI/D.19-005

Kobyashevite

Cu5(SO4)2(OH)6·4H2O

triklin : 1 : P1

VI/D.19-008

Devilline

CaCu4(SO4)2(OH)6·3H2O

monoklin : 2/m : P21/c

VI/D.19-010

Aldridgeite

(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

VI/D.19-015

Serpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

VI/D.19-020

Orthoserpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

orthorhombisch : mm2 : Pca21

VI/D.19-030

Lautenthalite

PbCu42+(OH)6(SO4)2·3H2O

monoklin : 2/m : P21/c

VI/D.19-032

'Arzrunite'

Cu4Pb2SO4O2Cl6·4H2O

VI/D.19-035

Tatarskite

Ca6Mg2(SO4)2(CO3)2Cl4(OH)4·7H2O

VI/D.19-040

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Devilline

CaCu4(SO4)2(OH)6·3H2O

monoklin : 2/m : P21/c

7.DJ.100

Serpierite

Ca(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

7.DJ.110

Aldridgeite

(Cd,Ca)(Cu,Zn)4(SO4)2(OH)6·3H2O

monoklin : 2/m : C2/c

7.DJ.120

Lautenthalite

PbCu42+(OH)6(SO4)2·3H2O

monoklin : 2/m : P21/c

7.DJ.140

Elyite

CuPb4O2SO4(OH)4·H2O

monoklin : 2/m : P21/c

7.DJ.150

Gordaite

NaZn4[Cl(OH)6|SO4]·6H2O

trigonal : 3 : P3

7.DJ.170

Other languages

German

Aldridgeit

English

Aldridgeite

Russian

Олдриджит

IMA Number

IMA 2010-029

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

German pages

DeWikiPedia - search for: Aldridgeit
Google-Bilder-Suche - search for: Aldridgeit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Aldridgeit

English pages

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RRUFF - References and PDF downloads - search for: Aldridgeite
American-Mineralogist-Crystal-Structure-Database - search for: Aldridgeite
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Russian pages

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German pages

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