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Stringhamite (Stringhamit)

Pictures (8 Images total)

Stringhamit
Views (File:
1354982492
): 685
Stringhamit
Tafelige blaue Kristalle bilden Vielkristallkugel mit hellblauen Whelanit, BB = <1 mm, Fundort: Bawana Mine, Milford, Beaver Co., Utah, USA.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A026727, Donator: eschuhbauer
Location: USA/Utah/Beaver Co./Rocky District/Bawana Mine (Old Hickory mine)
Mineral: Stringhamite
Image: 1354982492
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Stringhamit (SNr: A026727)

Tafelige blaue Kristalle bilden Vielkristallkugel mit hellblauen Whelanit, BB = <1 mm, Fundort: Bawana Mine, Milford, Beaver Co., Utah, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-12-08
Locality: Bawana Mine (Old Hickory mine) / Rocky District / Beaver Co. / Utah / USA
Stringhamit
Views (File:
1400332597
): 757
Stringhamit
Bildbreite: 3 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Arizona/Gila Co./Dripping Spring Mts/Banner District/Christmas/Christmas Mine (Inspiration Mine)
Mineral: Stringhamite
Image: 1400332597
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Stringhamit

Bildbreite: 3 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA

Copyright: Stephan Wolfsried
Contribution: Hg 2014-05-17
Locality: Christmas Mine (Inspiration Mine) / Christmas / Banner District / Dripping Spring Mts / Gila Co. / Arizona / USA
Stringhamit
Views (File:
1400332523
): 658
Stringhamit
Bildbreite: 1,2 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Arizona/Gila Co./Dripping Spring Mts/Banner District/Christmas/Christmas Mine (Inspiration Mine)
Mineral: Stringhamite
Image: 1400332523
Rating: 8.5 (votes: 2)
License: Usage for Mineralienatlas project only
Stringhamit

Bildbreite: 1,2 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA

Copyright: Stephan Wolfsried
Contribution: Hg 2014-05-17
Locality: Christmas Mine (Inspiration Mine) / Christmas / Banner District / Dripping Spring Mts / Gila Co. / Arizona / USA
Stringhamit
Views (File:
1400332559
): 384
Stringhamit
Bildbreite: 1,5 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA
Copyright: Stephan Wolfsried; Contribution: Hg
Location: USA/Arizona/Gila Co./Dripping Spring Mts/Banner District/Christmas/Christmas Mine (Inspiration Mine)
Mineral: Stringhamite
Image: 1400332559
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Stringhamit

Bildbreite: 1,5 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA

Copyright: Stephan Wolfsried
Contribution: Hg 2014-05-17
Locality: Christmas Mine (Inspiration Mine) / Christmas / Banner District / Dripping Spring Mts / Gila Co. / Arizona / USA
Stringhamit
Views (File:
1353174684
): 1632, Rating: 8.29
Stringhamit
Langtafelige blaue Kristalle auf Apophyllit, BB = 1,5 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA.
Copyright: Heribert Rotter; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A006166, Donator: Klaus Fleck
Location: USA/Arizona/Gila Co./Dripping Spring Mts/Banner District/Christmas/Christmas Mine (Inspiration Mine)
Mineral: Stringhamite
Image: 1353174684
Rating: 8.29 (votes: 7)
License: Usage for Mineralienatlas project only
Stringhamit (SNr: A006166)

Langtafelige blaue Kristalle auf Apophyllit, BB = 1,5 mm, Fundort: Christmas Mine, Banner District, Dripping Springs Mts., Gila Co., Arizona, USA.

Collection: Lithothek der Münchener Micromounter
Copyright: Heribert Rotter
Contribution: Münchener Micromounter 2012-11-17
Locality: Christmas Mine (Inspiration Mine) / Christmas / Banner District / Dripping Spring Mts / Gila Co. / Arizona / USA
Stringhamit
Views (File:
1189525060
): 1022
Stringhamit
Gila Co., Arizona, USA
Copyright: uwe; Contribution: uwe
Location: USA/Arizona/Gila Co.
Mineral: Stringhamite
Image: 1189525060
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Stringhamit

Gila Co., Arizona, USA

Copyright: uwe
Contribution: uwe 2007-09-11
Locality: Gila Co. / Arizona / USA

You find additional specimen at the Geolitho Museum

Collectors Summary

Color azurblau
Crystal System monoklin, P21/c

Chemism

Chemical formula

CaCu(SiO4)·H2O

Chemical composition

Calcium, Kupfer, Silicium, Sauerstoff, Wasserstoff

Unit weight: 213.723274 u; Number of atoms in the formula: 10

Info

Empirical formula:

CaCu(SiO4)·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.94

2

20.00

1.0079470

2.0158940

Oxygen

O

37.43

5

50.00

15.9994300

79.9971500

Silicon

Si

13.14

1

10.00

28.0855300

28.0855300

Calcium

Ca

18.75

1

10.00

40.0784000

40.0784000

Copper

Cu

29.73

1

10.00

63.5463000

63.5463000

Strunz 9th edition incl. updates

9.AE.35

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
E: Insel(Neso)silikate mit zusätzlichem (O,OH,F,H2O); Kationen in tetrahedralrt [4] und meist größerer Koordination
35:Stringhamit-Gruppe

Lapis Classification

VIII/B.03-040

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
3: Kationen in tetraedrischer oder oktaedrischer Koordination [4/6]

Classification by Hölzel

9.AE.200

9: SILICATES
A: Nesosilicates
E: Unclassified, without other Anions

Dana 8th edition

78.01.09.01

78: Unclassified Silicate Minerals
01: Unclassified silicates possible nesosilicates

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

azurblau

Diaphaneity (Transparency)

transparent, durchscheinend

max. Birefringence

0.020

Birefringence chart\! Stringhamite title=Birefringence chart Stringhamite

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

1.709

RI value β

1.717

RI value γ / ε

1.729

Ri mean

1.718

2V angle

Biaxial (+) 80° (berechnet)

Orientation

X = b, Y ^ c = 2.5°

Absorption

Z > X = Y

Pleochroism

X = hellblau-grau; Y = hellblau; Z = dunkelblau

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

5.028

Cell parameters b (Å)

16.07

Cell parameters c (Å)

5.303

Cell parameters a/b or c/a

0.313

Cell parameters c/b

0.330

Cell parameters α

90°

Cell parameters β

102.58

Cell parameters γ

90°

Z

4

Volume (ų)

418.196

X-Ray Powder Diffraction

8.049(30),
4.884(20),
4.687(20),
3.928(30),
3.236(40),
2.768(100),
2.523(40),
1.614(20)

XRD chart Stringhamite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

3.359 (berechnet) 3.17 (gemessen)

3.394 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

USA/Utah/Beaver Co./Rocky District/Bawana Mine (Old Hickory mine)

Type material

National Museum of Natural History, Washington, D.C., USA

Natural History Museum, London, England

Collection number of type material

128031 (USA), 1976,421 (England)

Preface

Name from

Bronson Ferrin Stringham (1907-1968), Professor der Mineralogie, Universität von Utah, Salt Lake City, Utah, USA.

Author (Name, Year)

Hindman, 1976

References

Tschermaks Mineralogische und Petrographische Mitteilungen 34 (1985), 15

American Mineralogist 61 (1976), 189

Other languages

German

Stringhamit

Spanish

Stringhamita

English

Stringhamite

French

Stringhamite

Russian

Стрингхамит

CNMNC (IMA)-Number

IMA 1974-007

CNMNC symbol

Symbol

Sgh

Locations with GPS information

IDs

GUSID (Global unique identifier short form) AVKthgbNb0arjjk6pAHyQw
GUID (Global unique identifier) 86AD5201-CD06-466F-AB8E-393AA401F243
Database ID 3662