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Aheylite (Aheylit)

Pictures (2 Images total)

Aheylit (weißer Sphärolith) auf Vivianit xx
Views (File:
1520246207
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Aheylit (weißer Sphärolith) auf Vivianit xx
Huanuni Mine, Huanuni/Oruro,Bolivien; Bildbreite ca.4 mm
Copyright: Haubi; Contribution: Haubi
Collection: Haubi
Location: Bolivien/Oruro, Departamento/Pantaléon Dalence, Provinz/Huanuni/Huanuni Mine
Mineral: Aheylite
Image: 1520246207
License: Usage for Mineralienatlas project only
Aheylit (weißer Sphärolith) auf Vivianit xx

Huanuni Mine, Huanuni/Oruro,Bolivien; Bildbreite ca.4 mm

Collection: Haubi
Copyright: Haubi
Contribution: Haubi 2018-03-05
Locality: Huanuni Mine / Huanuni / Pantaléon Dalence, Provinz / Oruro, Departamento / Bolivien
Aheylit xx
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Aheylit xx
Aheylit xx , BB 2,6 mm, F-Les Montmins, Sammlung Gert Schöneborn
Copyright: Karlheinz Grosch; Contribution: Karlheinz Grosch
Collection: Gert Schöneborn
Location: Frankreich/Auvergne-Rhône-Alpes, Region/Allier, Département/Montluçon, Arrondissement/Echassières/Les Montmins (Sainte Barbe filon)
Mineral: Aheylite
Image: 1696580875
License: Usage for Mineralienatlas project only
Aheylit xx

Aheylit xx , BB 2,6 mm, F-Les Montmins, Sammlung Gert Schöneborn

Collection: Gert Schöneborn
Copyright: Karlheinz Grosch
Contribution: Karlheinz Grosch 2023-10-06
Locality: Les Montmins (Sainte Barbe filon) / Echassières / Montluçon, Arrondissement / Allier, Département / Auvergne-Rhône-Alpes, Region / Frankreich

Collectors Summary

Color blau grün
Streak color grünlichweiß
Hardness (Mohs) 5.25
Solubility +++ H3PO4, + konz. andere Säuren, NH4OH
Crystal System triklin, P1, P1

Chemism

Chemical formula

(Fe2+,Zn)Al6(PO4)4(OH)8·4H2O

Chemical composition

Aluminium, Eisen, Zink, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 808.131716 u; Number of atoms in the formula: 55

Info

Empirical formula:

(Fe0.75Zn0.25)Al6(PO4)4(OH)8·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.00

16

29.09

1.0079470

16.1271520

Oxygen

O

55.43

28

50.91

15.9994300

447.9840400

Aluminium

Al

20.03

6

10.91

26.9815382

161.8892292

Phosphorus

P

15.33

4

7.27

30.9737612

123.8950448

Iron

Fe

5.18

0.75

1.36

55.8452000

41.8839000

Zinc

Zn

2.02

0.25

0.45

65.4094000

16.3523500

Analysis wt%

FeO : 4.14, ZnO : 3.39, Al2O3 : 39.50, P2O5 : 34.30, H2O : 18.60 (Ref: Mineralogical Magazine 98)

Strunz 9th edition incl. updates

8.DD.25

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
D: Mit ausschließlich mittelgroßen [Kationen], (OH, etc.):RO4 = 2:1
25:Aheylit-Gruppe

Lapis Classification

VII/D.15-030

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
15: Mittelgroße Kationen: Cu-Zn-Mn-Al-Fe; Türkis-Gruppe

Classification by Hölzel

8.DG.360

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
G: TurquoiseChildrenite-Group P/OH=0.5

Dana 8th edition

42.09.03.05

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
09: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (A)3 (XO4)2 Zq · x(H2O)
03: Turquoise Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blau grün

Streak color

grünlichweiß

Diaphaneity (Transparency)

transparent

RI value α / ω / n

1.63 mea

Ri mean

1.63

2V angle

Biaxial (+) nd

Crystallography

Crystal System

triklin

Class (H-M)

1, 1

Space Group number

1, 2

Space Group

P1, P1

Cell parameters a (Å)

7.400

Cell parameters b (Å)

9.896

Cell parameters c (Å)

7.627

Cell parameters a/b or c/a

0.748

Cell parameters c/b

0.771

Cell parameters α

110.57

Cell parameters β

115.0

Cell parameters γ

69.97

Z

1

Volume (ų)

461.369

X-Ray Powder Diffraction

6.146(40),
3.670(100),
3.436(40),
3.398(20),
3.269(40),
2.914(30),
2.888(70),
2.018(20)

XRD chart Aheylite

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

Physical Properties

Hardness (Mohs)

5.25

VHN (Hardness Vickers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.85

2.908 ( ρ calc. Mineralienatlas )

Instability

+++ H3PO4, + konz. andere Säuren, NH4OH

Preface

Author (Name, Year)

Foord & Taggart, 1986

References

Mineralogical Magazine 62 (1998), 93

Other languages

Latvian

Aheilīts

German

Aheylit

Spanish

Aheylita

English

Aheylite

French

Aheylite

Russian

Ахейлит

CNMNC (IMA)-Number

IMA 1984-036

CNMNC symbol

Symbol

Ahe

Locations with GPS information

IDs

GUSID (Global unique identifier short form) gXNFPcfqlUuxiBTUEY3MxQ
GUID (Global unique identifier) 3D457381-EAC7-4B95-B188-14D4118DCCC5
Database ID 31