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Rooseveltite

Pictures (5 Images total)

Rooseveltite
Views (File:
1515673417
): 841
Rooseveltite
Sony Alpha 7R ii, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Minute brown Rooseveltite crystals. Collection and photo Stephan Wolfsried; Locality: Alcantarilla mine, Belalcázar, Córdoba, Andalusia, Spain; Fov: 0.8 mm; 4/2017
Copyright: Stephan Wolfsried; Contribution: Stefan
Location: Spanien/Andalusien (Andalucía)/Córdoba, Provinz/Los Pedroches, Comarca/Belalcázar/Mina Nuestra Señora de las Alcantarillas
Mineral: Rooseveltite
Image: 1515673417
License: Usage for Mineralienatlas project only
Rooseveltite

Sony Alpha 7R ii, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Minute brown Rooseveltite crystals. Collection and photo Stephan Wolfs...

Copyright: Stephan Wolfsried
Contribution: Stefan 2018-01-11
Locality: Mina Nuestra Señora de las Alcantarillas / Belalcázar / Los Pedroches, Comarca / Córdoba, Provinz / Andalusien (Andalucía) / Spanien
Rooseveltit
Views (File:
1588153384
): 511
Rooseveltit
FO: Grube Clara / Oberwolfach; BB 0,3 mm
Copyright: Halden-Joerg; Contribution: Halden-Joerg
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Rooseveltite
Image: 1588153384
License: Usage for Mineralienatlas project only
Rooseveltit

FO: Grube Clara / Oberwolfach; BB 0,3 mm

Copyright: Halden-Joerg
Contribution: Halden-Joerg 2020-04-29
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Rooseveltit
Views (File:
1644416491
): 282
Rooseveltit
Grube Clara, Wolfach, Schwarzwald; Bildbreite 1,1 mm; Foto gestackt
Copyright: ankerit; Contribution: ankerit
Collection: rbmineral
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Ortenaukreis/Oberwolfach/Grube Clara
Mineral: Rooseveltite
Image: 1644416491
License: Usage for Mineralienatlas project only
Rooseveltit

Grube Clara, Wolfach, Schwarzwald; Bildbreite 1,1 mm; Foto gestackt

Collection: rbmineral
Copyright: ankerit
Contribution: ankerit 2022-02-09
Locality: Grube Clara / Oberwolfach / Ortenaukreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Rooseveltit, Mixit
Views (File:
1652021167
): 206
Rooseveltit, Mixit
Rooseveltit und Mixit-Kristalle in Quarzdruse. Fundort Schmiedestollenhalde, Wittichen. BB ca. 10mm. RAMAN-anylysiert.
Copyright: Sebastian; Contribution: HBreuer
Collection: Herbert Breuer
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Rottweil, Landkreis/Wittichen/Schmiedestollenhalde
Mineral: Rooseveltite
Image: 1652021167
License: Usage for Mineralienatlas project only
Rooseveltit, Mixit  R
Analysed with RAMAN spectroscopy

Rooseveltit und Mixit-Kristalle in Quarzdruse. Fundort Schmiedestollenhalde, Wittichen. BB ca. 10mm. RAMAN-anylysiert.

Collection: Herbert Breuer
Copyright: Sebastian
Contribution: HBreuer 2022-05-08
Locality: Schmiedestollenhalde / Wittichen / Rottweil, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland
Rooseveltit, Mixit
Views (File:
1652021370
): 188
Rooseveltit, Mixit
Rooseveltit und Mixit in Quarz-Druse. BB 3mm. Fundort Schmiedestollenhalde, Wittichen.
Copyright: Sebastian; Contribution: HBreuer
Collection: Herbert Breuer
Location: Deutschland/Baden-Württemberg/Freiburg, Bezirk/Rottweil, Landkreis/Wittichen/Schmiedestollenhalde
Mineral: Rooseveltite
Image: 1652021370
License: Usage for Mineralienatlas project only
Rooseveltit, Mixit  R
Analysed with RAMAN spectroscopy

Rooseveltit und Mixit in Quarz-Druse. BB 3mm. Fundort Schmiedestollenhalde, Wittichen.

Collection: Herbert Breuer
Copyright: Sebastian
Contribution: HBreuer 2022-05-08
Locality: Schmiedestollenhalde / Wittichen / Rottweil, Landkreis / Freiburg, Bezirk / Baden-Württemberg / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color grau, grauweiß
Streak color weiß
Hardness (Mohs) 5.5
Solubility +++ Säuren
Crystal System monoklin, P21/n

Chemism

Chemical formula

Bi(AsO4)

Chemical composition

Arsen, Bismut, Sauerstoff

Unit weight: 347.899704 u; Number of atoms in the formula: 6

Info

Empirical formula:

Bi(AsO4)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

18.40

4

66.67

15.9994300

63.9977200

Arsenic

As

21.54

1

16.67

74.9216020

74.9216020

Bismuth

Bi

60.07

1

16.67

208.9803820

208.9803820

Analysis wt%

Bi2O3 : 67.20, As2O5 : 33.20 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

8.AD.50

8: Phosphate, Arsenate, Vanadate
A: Phosphate, etc., ohne weitere Anionen, ohne H2O
D: Mit ausschließlich großen [Kationen]
50:Monazit-Gruppe

Lapis Classification

VII/A.18-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
A: Wasserfreie Phosphate [PO4] 3-, ohne fremde Anionen

Classification by Hölzel

8.AF.500

8: PHOSPHATES ARSENATES VANADATES
A: Phosphates (-anions -water)
F: Monazite-Group

Dana 8th edition

38.04.04.01

38: Anhydrous Phosphates, etc
04: Anhydrous Phosphates, etc A+ XO4

IMA status

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Monazite group

Optical Properties

Color

grau, grauweiß

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend

max. Birefringence

0.12

Birefringence chart\! Rooseveltite title=Birefringence chart Rooseveltite

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

2.13

RI value γ / ε

2.25

2V angle

Biaxial

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

6.882

Cell parameters b (Å)

7.164

Cell parameters c (Å)

6.734

Cell parameters a/b or c/a

0.961

Cell parameters c/b

0.940

Cell parameters α

90°

Cell parameters β

104.83

Cell parameters γ

90°

Z

4

Volume (ų)

320.945

X-Ray Powder Diffraction

4.82(40),
3.33(60),
3.15(100),
2.98(40),
2.97(80),
2.70(40),
2.50(30),
2.24(20)

XRD chart Rooseveltite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

513 (25g)

Density (g/cm³)

6.86

7.2 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Author (Name, Year)

Herzenberg, 1946

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 503

IMA group assignments


 
 
(Ca,Ce,Th,U)[(P,Si)O4]
monoklin
P21/n

 
 
Ce(AsO4)
monoklin
P21/n

 
 
LaAsO4
monoklin
P21/n

 
 
Ce(PO4)
monoklin
P21/n

 
 
Gd(PO4)
monoklin
P21/n

 
 
La(PO4)
monoklin
P21/n

 
 
Nd(PO4)
monoklin
P21/n

 
 
Sm(PO4)
monoklin
P21/n

 
 
Bi(AsO4)
monoklin
P21/n

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Actuality: 19. Jul 2024 - 06:45:03

Other languages

German

Rooseveltit

Spanish

Rooseveltita

French

Rooseveltite

English

Rooseveltite

Russian

Рузвельтит

Traditional Chinese

砷鉍礦

Simplified Chinese

砷铋矿

Alternative Name

Traditional Chinese

砷鉍石

Simplified Chinese

砷铋石

CNMNC symbol

Symbol

Roo

Locations with GPS information

IDs

GUSID (Global unique identifier short form) uzx1JYtlQkGxRLPMa5ZxzQ
GUID (Global unique identifier) 25753CBB-658B-4142-B144-B3CC6B9671CD
Database ID 3303