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Schmiederite

Pictures (10 Images total)

Schmiederit
Views (Image: 1196088184): 1206
Schmiederit

Fundort: El Dragón Mine, Quijarro Provinz, Potosí Department, Bolivien; Bildbreite: 2 mm

Copyright: Christian Rewitzer
Contribution: Klinoklas 2007-11-26
Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien
Schmiederit
Views (Image: 1416951372): 721
Schmiederit

El Dragón Mine, Potosi, Bolivien. BB 1,0mm

Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2014-11-25
Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien
Schmiederit
Views (Image: 1346097638): 437
Schmiederit (SNr: A018891)

Nadelige blaue Kristalle, BB = 1,5 mm, Fundort: Llechwedd Helyg Mine, Trefeirig (bei Aberystwyth), Ceredigion, Wales, England, UK.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-08-27
Locality: Llechwedd Helyg Mine / Trefeirig / Aberystwyth / Ceredigion (Dyfed) / Wales / UK
Schmiederit
Views (Image: 1271356187): 733
Schmiederit

Bildbreite: 10 mm, Fundort: Baccu Locci Mine, Villaputzu, Provinz Cagliari, Sardinien, Italien.

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-15
Locality: Miniera Baccu Locci / Villaputzu / Sud Sardegna, Provinz / Sardinien (Sardegna), Region / Italien
Schmiederit
Views (Image: 1271356135): 767
Schmiederit

Bildbreite: 2 mm, Fundort: Baccu Locci Mine, Villaputzu, Provinz Cagliari, Sardinien, Italien.

Copyright: Luigi Chiappino
Contribution: thdun5 2010-04-15
Locality: Miniera Baccu Locci / Villaputzu / Sud Sardegna, Provinz / Sardinien (Sardegna), Region / Italien
Schmiederit
Views (Image: 1373054818): 353
Schmiederit

Mina El Dragon, Departamento Potosi/Bolivien; Bildbreite ca. 4 mm; Fund März 1991

Collection: Burkhard Dallosch
Copyright: Burkhard Dallosch
Contribution: Erzsucher 2013-07-05
Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien

Collectors Summary

Color blau
Streak color hellblau
Solubility +++ verdünnte HCl
Crystal System monoklin, P21/m

Chemism

Chem­ical formula

Pb2Cu22+(Se4+O3)(Se6+O4)(OH)4

Chem­ical com­po­si­tion

Blei, Kupfer, Selen, Sauerstoff, Wasserstoff

Unit weight: 879.464118 u; Number of atoms in the formula: 21

Info

Empirical formula:

Pb2Cu2(SeO3)(SeO4)(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.46

4

19.05

1.0079470

4.0317880

Oxygen

O

20.01

11

52.38

15.9994300

175.9937300

Copper

Cu

14.45

2

9.52

63.5463000

127.0926000

Selenium

Se

17.96

2

9.52

78.9630000

157.9260000

Lead

Pb

47.12

2

9.52

207.2100000

414.4200000

Anal­y­sis wt%

CuO : 18.09, PbO : 50.76, SeO2 : 12.62, SeO3 : 14.44, H2O : 4.10 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

7.BC.65

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
B: Sulfate (Selenate, etc.) mit weitere Anionen, ohne H2O
C: Mit mittelgroßen und großen [Kationen]
65:Linarit-Gruppe

Lapis Clas­sifica­tion

VI/B.10-020

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
B: Wasserfreie Sulfate, mit fremden Anionen
10: Mittelgroße Kationen vorwiegend

Clas­sifica­tion by Hölzel

7.BA.330

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
B: Sulfates (+Anions -Water)
A: Sulfates, C medium, medium + large
3: With Cu + Pb

Dana 8th edi­tion

33.01.01.01

33: Selenates and Tellurates
01: Selenates and Tellurates as A+ (B++)m XO4 Zq
01: Schmiederite Series

IMA sta­tus

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blau

Streak color

hellblau

max. Birefrin­gence

0.150~

Birefringence chart\! Schmiederite title=Birefringence chart Schmiederite

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

1.875

RI value β

1.925

RI value γ / ε

2.025

Ri mean

1.942

2V angle

Biaxial (+) 65°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

11

Space Group

P21/m

Cell param­e­ters a (Å)

9.922

Cell param­e­ters b (Å)

5.712

Cell param­e­ters c (Å)

9.369

Cell param­e­ters a/b or c/a

1.737

Cell param­e­ters c/b

1.640

Cell param­e­ters α

90°

Cell param­e­ters β

101.97

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

519.438

X-Ray Pow­der Diffrac­tion

4.85(50),
4.52(50),
3.57(60),
3.23(100),
3.19(90),
3.13(90),
2.86(30),
2.74(40)

XRD chart Schmiederite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

5.6

5.623 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ verdünnte HCl

Preface

Asso­cia­tions

.Chalkomenit,Cyanotrichit,

Author (Name, Year)

Olsacher, 1962

References

Mineralogy and Petrology 36 (1987), 3

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

Linarite

PbCu(SO4)(OH)2

monoklin : 2/m : P21/m

7.BC.65

Munakataite

Pb2Cu2(Se4+O3)(SO4)(OH)4

monoklin : 2/m : P21/m

7.BC.65

Schmiederite

Pb2Cu22+(Se4+O3)(Se6+O4)(OH)4

monoklin : 2/m : P21/m

7.BC.65

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

Caledonite

Pb5Cu2(CO3)(SO4)3(OH)6

orthorhombisch : mm2 : Pmn21

VI/B.10-005

Linarite

PbCu(SO4)(OH)2

monoklin : 2/m : P21/m

VI/B.10-010

Schmiederite

Pb2Cu22+(Se4+O3)(Se6+O4)(OH)4

monoklin : 2/m : P21/m

VI/B.10-020

Munakataite

Pb2Cu2(Se4+O3)(SO4)(OH)4

monoklin : 2/m : P21/m

VI/B.10-025

Chenite

Pb4Cu(SO4)2(OH)6

triklin : 1 : P1

VI/B.10-030

Elyite

CuPb4O2SO4(OH)4·H2O

monoklin : 2/m : P21/c

VI/B.10-040

Mammothite

Pb6Cu4AlSb5+O2(SO4)2Cl4(OH)16

monoklin : 2 : C2

VI/B.10-050

Grandviewite

Cu3Al9(SO4)2(OH)29

VI/B.10-060

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

Linarite

PbCu(SO4)(OH)2

monoklin : 2/m : P21/m

7.BA.320

Schmiederite

Pb2Cu22+(Se4+O3)(Se6+O4)(OH)4

monoklin : 2/m : P21/m

7.BA.330

Munakataite

Pb2Cu2(Se4+O3)(SO4)(OH)4

monoklin : 2/m : P21/m

7.BA.335

Chenite

Pb4Cu(SO4)2(OH)6

triklin : 1 : P1

7.BA.350

Caledonite

Pb5Cu2(CO3)(SO4)3(OH)6

orthorhombisch : mm2 : Pmn21

7.BA.370

Wherryite

Pb7Cu2(SO4)4(SiO4)2(OH)2

monoklin : 2/m : C2/m

7.BA.380

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Schmiederite

Pb2Cu22+(Se4+O3)(Se6+O4)(OH)4

monoklin : 2/m : P21/m

33.01.01.01

Xocomecatlite

Cu3Te6+O4(OH)4

33.01.02.01

Khinite

Cu2+3PbTe6+O6(OH)2

orthorhombisch : mmm : Fddd

33.01.03.01

Frankhawthorneite

Cu2[(OH)2|TeO4]

monoklin : 2/m : P21/n

33.01.04.01

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Шмайдерит

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