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Durangite

Pictures (20 Images total)

Durangit auf Cassiterit
Views (File:
1563112781
): 510
Durangit auf Cassiterit
Orange Durangitkristalle auf rötlich-braunem Cassiterit vom Tin Prospect Claim in der Thomas Range in Utah. Höhe des Bildausschnittes etwa 5 mm.
Copyright: Klaus Schäfer; Contribution: Klaus Schäfer
Collection: Klaus Schäfer, Collection number: SyS-Dura-2-1-1
Location: USA/Utah/Juab Co./Thomas Range/Durangit Claim (Tin Prospect)
Mineral: Durangite
Image: 1563112781
Rating: 9.5 (votes: 2)
License: Usage for Mineralienatlas project only
Durangit auf Cassiterit (SNr: SyS-Dura-2-1-1)

Orange Durangitkristalle auf rötlich-braunem Cassiterit vom Tin Prospect Claim in der Thomas Range in Utah. Höhe des Bildausschnittes etwa 5 mm.
Collection: Klaus Schäfer
Copyright: Klaus Schäfer
Contribution: Klaus Schäfer 2019-07-14
Locality: Durangit Claim (Tin Prospect) / Thomas Range / Juab Co. / Utah / USA
Durangit
Views (File:
1281821358
): 1548
Durangit
Größe: 2,5 x 1,9 x 0,5 cm, Fundort: Thomas Range, Juab Co., Utah, USA
Copyright: Dan Weinrich; Contribution: thdun5
Location: USA/Utah/Juab Co./Thomas Range
Mineral: Durangite
Image: 1281821358
Rating: 6.67 (votes: 3)
License: Usage for Mineralienatlas project only
Durangit

Größe: 2,5 x 1,9 x 0,5 cm, Fundort: Thomas Range, Juab Co., Utah, USA
Copyright: Dan Weinrich
Contribution: thdun5 2010-08-14
Locality: Thomas Range / Juab Co. / Utah / USA
Tafelige Durangit-Kristalle
Views (File:
1530542365
): 555
Tafelige Durangit-Kristalle
vom Durangit-Claim in der Thomas Range, Juab County, Utah, USA; BB = 6,9 mm
Copyright: husi; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A039710, Donator: Wolfgang Schönfeld
Location: USA/Utah/Juab Co./Thomas Range/Durangit Claim (Tin Prospect)
Mineral: Durangite
Image: 1530542365
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Tafelige Durangit-Kristalle (SNr: A039710)

vom Durangit-Claim in der Thomas Range, Juab County, Utah, USA; BB = 6,9 mm
Collection: Lithothek der Münchener Micromounter
Copyright: husi
Contribution: Münchener Micromounter 2018-07-02
Locality: Durangit Claim (Tin Prospect) / Thomas Range / Juab Co. / Utah / USA
Durangit
Views (File:
1354735592
): 1171
Durangit
Plattige orange Kristalle mit Hämatit, BB = 16,5 mm, Fundort: Durangit Claim, Thomas Range, Delta, Utah, USA.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A026380, Donator: eschuhbauer
Location: USA/Utah/Juab Co./Thomas Range/Durangit Claim (Tin Prospect)
Mineral: Durangite
Image: 1354735592
Rating: 6.33 (votes: 3)
License: Usage for Mineralienatlas project only
Durangit (SNr: A026380)

Plattige orange Kristalle mit Hämatit, BB = 16,5 mm, Fundort: Durangit Claim, Thomas Range, Delta, Utah, USA.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2012-12-05
Locality: Durangit Claim (Tin Prospect) / Thomas Range / Juab Co. / Utah / USA
Durangit auf Hämatit
Views (File:
1194450424
): 1091
Durangit auf Hämatit
Fundort: Durangit Claim, Thomas Range, Delta, Utah, USA; Bildbreite: ca. 10 mm
Copyright: Klinoklas; Contribution: Klinoklas
Location: USA/Utah/Juab Co./Thomas Range/Durangit Claim (Tin Prospect)
Mineral: Durangite
Image: 1194450424
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Durangit auf Hämatit

Fundort: Durangit Claim, Thomas Range, Delta, Utah, USA; Bildbreite: ca. 10 mm
Copyright: Klinoklas
Contribution: Klinoklas 2007-11-07
Locality: Durangit Claim (Tin Prospect) / Thomas Range / Juab Co. / Utah / USA
Durangit
Views (File:
1245487804
): 1154
Durangit
Bildbreite: 4 mm; Fundort: Sawmill Creek, Taylor Creek District, Catron Co., New Mexico, USA
Copyright: Leonardus; Contribution: slugslayer
Location: USA/New Mexico/Catron Co./Taylor Creek District/Sawmill Creek
Mineral: Durangite
Image: 1245487804
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Durangit

Bildbreite: 4 mm; Fundort: Sawmill Creek, Taylor Creek District, Catron Co., New Mexico, USA
Copyright: Leonardus
Contribution: slugslayer 2009-06-20
Locality: Sawmill Creek / Taylor Creek District / Catron Co. / New Mexico / USA

You find additional Durangite specimen at the Geolitho Museum

Collectors Summary

Color blassgelb, orangerot
Streak color gelb
Hardness (Mohs) 5.5
Solubility ++ HCl, HNO3, heiße konz. H2SO4, - Königswasser
Crystal System monoklin, C2/c

Chemism

Chemical formula

NaAl(AsO4)F

Chemical composition

Aluminium, Arsen, Natrium, Fluor, Sauerstoff

Unit weight: 207.88903365 u; Number of atoms in the formula: 8

Info

Empirical formula:

NaAl(AsO4)F

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

30.78

4

50.00

15.9994300

63.9977200
Fluorine

F

9.14

1

12.50

18.9984033

18.9984033
Sodium

Na

11.06

1

12.50

22.9897702

22.9897702
Aluminium

Al

12.98

1

12.50

26.9815382

26.9815382
Arsenic

As

36.04

1

12.50

74.9216020

74.9216020

Analysis wt%

As2O5 : 52.30, Al2O3 : 20.80, Na2O : 11.30, Li2O : 0.45, Fe2O3 : 2.74, Mn2O3 : 2.30, F : 7.90, SiO2 : 3.21 (Ref: Canadian Mineralogist 85)

Strunz 9th edition incl. updates

8.BH.10

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
H: Mit mittelgroßen und meist großen [Kationen] (OH, etc.):RO4 = 1:1
10:Tilasit-Gruppe

Lapis Classification

VII/B.25-050

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
B: Wasserfreie Phosphate, mit fremden Anionen F,Cl,O,OH
25: Mittelgroße und große Kationen: Mg-Cu-Zn und Ca-Na-K-Ba-Pb

Classification by Hölzel

8.BI.220

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
I: Phosphates, very large: 1, Vmed: 2 or 3
2: Phosphates, very large: 1, Vmed: 3 Lacroixite-Brazilianite-Group

Dana 8th edition

41.05.05.02

41: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
05: Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen where (A B)2 (XO4) Zq
05: Lacroixite Group

IMA status

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Tilasite-Durangite group

Optical Properties

Color

blassgelb, orangerot

Streak color

gelb

max. Birefringence

0.051
Birefringence chart\! Durangite title=Birefringence chart Durangite

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

1.634

RI value β

1.673

RI value γ / ε

1.685

Ri mean

1.664

2V angle

Biaxial (-) 45°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell parameters a (Å)

6.54

Cell parameters b (Å)

8.48

Cell parameters c (Å)

7.01

Cell parameters a/b or c/a

0.771

Cell parameters c/b

0.827

Cell parameters α

90°

Cell parameters β

119.37

Cell parameters γ

90°

Z

4

Volumne (ų)

338.801

X-Ray Powder Diffraction

4.76(80),
3.54(40),
3.34(50),
3.236(80),
2.967(100),
2.560(60),
2.549(60),
1.533(40)
XRD chart Durangite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.01 (gemessen)

4.075 ( ρ calc. Mineralienatlas )

Instability

++ HCl, HNO3, heiße konz. H2SO4, - Königswasser

(Co-)Type locality

(Co-)Type locality

Mexiko/Durango/Coneto de Comonfort, Municipio/Coneto de Comonfort/Barranca Mine

Preface

Name from

Nach der Lokalität im Bundesland Durango, Mexiko

Author (Name, Year)

Brush, 1869

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 151

Canadian Mineralogist 23 (1985), 241.

G. W. Downs, B. N. Yang, R. M. Thompson, M. D. Wenz and M. B. Andrade - Redetermination of durangite, NaAl(AsO4)F. Acta Crystallographica E68 (2012), i86-i87.

IMA group assignments

Other languages

German

Durangit

Spanish

Durangita

French

Durangite

English

Durangite

Russian

Дурангит

CNMNC symbol

Symbol

Dur

Locations with GPS information