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Arsenoflorencite-(Ce) (Arsenoflorencit-(Ce))

Pictures (6 Images total)

Arsenoflorencit-(Ce)
Views (File:
1280177597
): 2285
Arsenoflorencit-(Ce)
Bildbreite: 2,5 mm; Fundort: Steinbruch Hourt, Grand Halleux, Vielsalm, Bastogne, Luxembourg Provinz, Belgien
Copyright: Joachim Esche; Contribution: slugslayer
Location: Belgien/Luxemburg (Luxembourg), Provinz/Bastogne, Bezirk/Vielsalm/Grand Halleux/Steinbruch Hourt
Mineral: Arsenoflorencite-(Ce)
Image: 1280177597
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Arsenoflorencit-(Ce)

Bildbreite: 2,5 mm; Fundort: Steinbruch Hourt, Grand Halleux, Vielsalm, Bastogne, Luxembourg Provinz, Belgien
Copyright: Joachim Esche
Contribution: slugslayer 2010-07-26
Locality: Steinbruch Hourt / Grand Halleux / Vielsalm / Bastogne, Bezirk / Luxemburg (Luxembourg), Provinz / Belgien
Arsenoflorencit-(Ce) xx
Views (File:
1176013092
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Arsenoflorencit-(Ce) xx
Bildbreite: 4 mm; Fundort: Corr. de Hourt, Vielsalm, Luxembourg, Belgien
Copyright: loismin; Contribution: loismin
Location: Belgien/Luxemburg (Luxembourg), Provinz/Bastogne, Bezirk/Vielsalm/Grand Halleux/Steinbruch Hourt
Mineral: Arsenoflorencite-(Ce)
Image: 1176013092
Rating: 4.67 (votes: 3)
License: Usage for Mineralienatlas project only
Arsenoflorencit-(Ce) xx

Bildbreite: 4 mm; Fundort: Corr. de Hourt, Vielsalm, Luxembourg, Belgien
Copyright: loismin
Contribution: loismin 2007-04-08
Locality: Steinbruch Hourt / Grand Halleux / Vielsalm / Bastogne, Bezirk / Luxemburg (Luxembourg), Provinz / Belgien
Arsenoflorencit-(Ce) xx
Views (File:
1215938305
): 1324
Arsenoflorencit-(Ce) xx
kleine Kriställchen von Arsenoflorencit-(Ce) als Gruppen auf Matrix; Stbr. Hourt , Grand Halleux , Ardennen , Belgien
Copyright: TKMineral; Contribution: TKMineral
Collection: TKMineral
Location: Belgien/Luxemburg (Luxembourg), Provinz/Bastogne, Bezirk/Vielsalm/Grand Halleux/Steinbruch Hourt
Mineral: Arsenoflorencite-(Ce)
Image: 1215938305
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Arsenoflorencit-(Ce) xx

kleine Kriställchen von Arsenoflorencit-(Ce) als Gruppen auf Matrix; Stbr. Hourt , Grand Halleux , Ardennen , Belgien
Collection: TKMineral
Copyright: TKMineral
Contribution: TKMineral 2008-07-13
Locality: Steinbruch Hourt / Grand Halleux / Vielsalm / Bastogne, Bezirk / Luxemburg (Luxembourg), Provinz / Belgien
Arsenoflorencit-(Ce)
Views (File:
1215938357
): 1401
Arsenoflorencit-(Ce)
kugelige grünliche Aggregate auf Matrix; Stbr. Hourt , Grand Halleux , Ardennen , Belgien
Copyright: TKMineral; Contribution: TKMineral
Collection: TKMineral
Location: Belgien/Luxemburg (Luxembourg), Provinz/Bastogne, Bezirk/Vielsalm/Grand Halleux/Steinbruch Hourt
Mineral: Arsenoflorencite-(Ce)
Image: 1215938357
License: Usage for Mineralienatlas project only
Arsenoflorencit-(Ce)

kugelige grünliche Aggregate auf Matrix; Stbr. Hourt , Grand Halleux , Ardennen , Belgien
Collection: TKMineral
Copyright: TKMineral
Contribution: TKMineral 2008-07-13
Locality: Steinbruch Hourt / Grand Halleux / Vielsalm / Bastogne, Bezirk / Luxemburg (Luxembourg), Provinz / Belgien
Arsenoflorencit-(Ce)
Views (File:
1359233306
): 925
Arsenoflorencit-(Ce)
Alp Parsettens, Tinzen, Oberhalbstein, Schweiz. BB 2,2mm
Copyright: Mabu; Contribution: Mabu
Collection: Mabu
Location: Schweiz/Graubünden, Kanton/Albula, Region/Surses, Gemeinde/Tinizong-Rona (Tinzen)/Alp Parsettens
Mineral: Arsenoflorencite-(Ce)
Image: 1359233306
License: Usage for Mineralienatlas project only
Arsenoflorencit-(Ce)

Alp Parsettens, Tinzen, Oberhalbstein, Schweiz. BB 2,2mm
Collection: Mabu
Copyright: Mabu
Contribution: Mabu 2013-01-26
Locality: Alp Parsettens / Tinizong-Rona (Tinzen) / Surses, Gemeinde / Albula, Region / Graubünden, Kanton / Schweiz
Arsenoflorencit-(Ce)
Views (File:
1377207232
): 409
Arsenoflorencit-(Ce)
Bildbreite: 2 mm, Fundort: Steinbruch Hourt, Grand Halleux, Vielsalm, Bastogne, Luxembourg Provinz, Belgien
Copyright: Richard De Nul; Contribution: thdun5
Location: Belgien/Luxemburg (Luxembourg), Provinz/Bastogne, Bezirk/Vielsalm/Grand Halleux/Steinbruch Hourt
Mineral: Arsenoflorencite-(Ce)
Image: 1377207232
License: Usage for Mineralienatlas project only
Arsenoflorencit-(Ce)

Bildbreite: 2 mm, Fundort: Steinbruch Hourt, Grand Halleux, Vielsalm, Bastogne, Luxembourg Provinz, Belgien
Copyright: Richard De Nul
Contribution: thdun5 2013-08-22
Locality: Steinbruch Hourt / Grand Halleux / Vielsalm / Bastogne, Bezirk / Luxemburg (Luxembourg), Provinz / Belgien

Collectors Summary

Color farblos, hellgelb
Streak color weiß
Hardness (Mohs) 3.5
Crystal System trigonal, R3m

Chemism

Chemical formula

(Ce,La)Al3(AsO4)2(OH)6

Chemical composition

Aluminium, Arsen, Cerium, Lanthanum, Sauerstoff, Wasserstoff

Unit weight: 600.6409756 u; Number of atoms in the formula: 26

Info

Empirical formula:

(Ce0.75La0.25)Al3(AsO4)2(OH)6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

1.01

6

23.08

1.0079470

6.0476820
Oxygen

O

37.29

14

53.85

15.9994300

223.9920200
Aluminium

Al

13.48

3

11.54

26.9815382

80.9446146
Arsenic

As

24.95

2

7.69

74.9216020

149.8432040
Lanthanum

La

5.78

0.25

0.96

138.9055200

34.7263800
Cerium

Ce

17.50

0.75

2.88

140.1161000

105.0870750

Analysis wt%

Ce2O3 : 12.97, La2O3 : 8.62, Pr2O3 : 3.35, Nd2O3 : 2.40, Gd2O3 : 1.38, SrO : 1.99, Al2O3 : 28.75, As2O5 : 27.02, P2O5 : 4.68, SO3 : 1.21, H2O : 9.36, Ln2O3 : 29.10 (Ref: Mineralogical Magazine 87)

Strunz 9th edition incl. updates

8.BL.13

8: Phosphate, Arsenate, Vanadate
B: Phosphate, etc., mit weitere Anionen, ohne H2O
L: Mit mittelgroßen und großen [Kationen] (OH, etc.):RO4 = 3:1
13:

Lapis Classification

VII/B.36-130

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

Classification by Hölzel

8.BK.350

8: PHOSPHATES ARSENATES VANADATES
B: Phosphates (+Anions -Water)
K: Phosphatian (+AsO4) Alunites, trigonal, very large: 1,2,3,4, Vmed: 3
3: With REE's Florencite-Group

Dana 8th edition

41.05.11.01

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

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Alunite supergroup  ⇒ Dussertite group with 1c

Optical Properties

Color

farblos, hellgelb

Streak color

weiß

Diaphaneity (Transparency)

transparent

max. Birefringence

0.006
Birefringence chart\! Arsenoflorencite-(Ce) title=Birefringence chart Arsenoflorencite-(Ce)

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

1.739

RI value γ / ε

1.745

Ri mean

1.741

2V angle

Uniaxial (+)

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

166

Space Group

R3m

Cell parameters a (Å)

7.029

Cell parameters b (Å)

-

Cell parameters c (Å)

16.517

Cell parameters a/b or c/a

2.350

Cell parameters c/b

-

Z

3

Volumne (ų)

706.722

X-Ray Powder Diffraction

3.513(60),
2.963(100),
2.752(30),
2.201(40),
1.905(50),
1.753(40),
1.627(30),
1.482(30)
XRD chart Arsenoflorencite-(Ce)

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

3.5

VHN (Hardness Vickers)

170 (10g)

Density (g/cm³)

4.096 (gemessen) 4.091 (berechnet)

4.234 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Australien/South Australia/Eyre Peninsula/Kimba

Preface

Author (Name, Year)

Nickel & Temperley, 1987

References

Mineralogical Magazine 51 (1987), 605

IMA group assignments

Other languages

German

Arsenoflorencit-(Ce)

Spanish

Arsenoflorencita-(Ce)

French

Arsenoflorencite-(Ce)

English

Arsenoflorencite-(Ce)

Russian

Арсенофлоренсит-(Ce)

CNMNC (IMA)-Number

IMA 1985-053

CNMNC symbol

Symbol

Aflo-Ce

Locations with GPS information