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Eosphorite (Eosphorit)

Pictures (65 Images total)

Eosphorit Beraunit
Views (File:
1644867758
): 166
Eosphorit Beraunit
Hopfau BB.2,5mm
Copyright: Ferdl; Contribution: Ferdl
Collection: Andreas W.
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Tirschenreuth, Landkreis/Erbendorf/Phosphatmineralvorkommen nahe Hopfau
Mineral: Eosphorite
Image: 1644867758
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Eosphorit Beraunit

Hopfau BB.2,5mm

Collection: Andreas W.
Copyright: Ferdl
Contribution: Ferdl 2022-02-14
Locality: Phosphatmineralvorkommen nahe Hopfau / Erbendorf / Tirschenreuth, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Eosphorit
Views (File:
1328528395
): 1788
Eosphorit
Größe: 9,53 mm; Fundort: Taquaral, Itinga, Minas Gerais, Brasilien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Jequitinhonha, Fluss/Itinga/Taquaral
Mineral: Eosphorite
Image: 1328528395
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Eosphorit

Größe: 9,53 mm; Fundort: Taquaral, Itinga, Minas Gerais, Brasilien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2012-02-06
Locality: Taquaral / Itinga / Jequitinhonha, Fluss / Minas Gerais / Südosten (Região Sudeste) / Brasilien
blättrig-tafeliger hellbrauner Eosphorit
Views (File:
1530540130
): 669
blättrig-tafeliger hellbrauner Eosphorit
von der Silbergrube Waidhaus, Oberpfalz, Bayern, Deutschland, BB = 3,0 mm
Copyright: husi; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A039260, Donator: Wolfgang Schönfeld
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Neustadt an der Waldnaab, Landkreis/Waidhaus/Silbergrube
Mineral: Eosphorite
Image: 1530540130
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
blättrig-tafeliger hellbrauner Eosphorit (SNr: A039260)

von der Silbergrube Waidhaus, Oberpfalz, Bayern, Deutschland, BB = 3,0 mm

Collection: Lithothek der Münchener Micromounter
Copyright: husi
Contribution: Münchener Micromounter 2018-07-02
Locality: Silbergrube / Waidhaus / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland
Eosphorit
Views (File:
1347909088
): 3427, Rating: 8.14
Eosphorit
Fundort Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brasilien, Kristallhöhe 4,5 cm
Copyright: berthold; Contribution: berthold
Collection: berthold
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Jequitinhonha, Fluss/Itinga/Taquaral
Mineral: Eosphorite
Image: 1347909088
Rating: 8.14 (votes: 21)
License: Usage for Mineralienatlas project only
Eosphorit  D

Fundort Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brasilien, Kristallhöhe 4,5 cm

Collection: berthold
Copyright: berthold
Contribution: berthold 2012-09-17
Locality: Taquaral / Itinga / Jequitinhonha, Fluss / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Eosphorit
Views (File:
1230305959
): 1368
Eosphorit
Fo.:Sapucaia Mine, Governador Valadares, Doce Vally, Minas Gerais, Brasilien, tafelige, braune XX, BB 1,0 mm
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A013068, Donator: Manfred Seitz
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Doce-Tal/Galiléia/Sapucaia do Norte/Sapucaia Mine
Mineral: Eosphorite
Image: 1230305959
Rating: 8 (votes: 3)
License: Usage for Mineralienatlas project only
Eosphorit (SNr: A013068)

Fo.:Sapucaia Mine, Governador Valadares, Doce Vally, Minas Gerais, Brasilien, tafelige, braune XX, BB 1,0 mm

Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2008-12-26
Locality: Sapucaia Mine / Sapucaia do Norte / Galiléia / Doce-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Eosphorit
Views (File:
1104505275
): 1134
Eosphorit
Bildbreite 7 mm; Fundort: Hagendorf-Süd, Oberpfalz, Bayern, Deutschland
Copyright: berthold; Contribution: Mineralienatlas
Location: Deutschland/Bayern/Oberpfalz, Bezirk/Neustadt an der Waldnaab, Landkreis/Waidhaus/Hagendorf/Hagendorf-Süd (Grube Cornelia)
Mineral: Eosphorite
Image: 1104505275
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Eosphorit

Bildbreite 7 mm; Fundort: Hagendorf-Süd, Oberpfalz, Bayern, Deutschland

Copyright: berthold
Contribution: Mineralienatlas 2004-12-31
Locality: Hagendorf-Süd (Grube Cornelia) / Hagendorf / Waidhaus / Neustadt an der Waldnaab, Landkreis / Oberpfalz, Bezirk / Bayern / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color hellrosa, gelbbraun, hellbraun, hellgelb, farblos
Streak color weiß
Hardness (Mohs) 5
Solubility +++ Säuren
Crystal System monoklin, pseudo-orthorhombisch, Cmca

Chemism

Chemical formula

MnAl(PO4)(OH)2·H2O

Chemical composition

Aluminium, Mangan, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 228.9211473 u; Number of atoms in the formula: 14

Info

Empirical formula:

MnAl(PO4)(OH)2·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.76

4

28.57

1.0079470

4.0317880

Oxygen

O

48.92

7

50.00

15.9994300

111.9960100

Aluminium

Al

11.79

1

7.14

26.9815382

26.9815382

Phosphorus

P

13.53

1

7.14

30.9737612

30.9737612

Manganese

Mn

24.00

1

7.14

54.9380499

54.9380499

Analysis wt%

CaO : 0.54, FeO : 7.40, MnO : 23.51, Al2O3 : 22.19, P2O5 : 31.05, H2O : 15.60 (Ref: Dana, 7th ed. 2)

Strunz 9th edition incl. updates

8.DD.20

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

Lapis Classification

VII/D.14-020

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

Classification by Hölzel

8.DG.120

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

Dana 8th edition

42.07.01.02

42: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
07: Hydrated Phosphates, etc., Containing Hydroxyl or Halogen where (AB)5 (XO4)3 Zq · x(H2O)
01: Childrenite Group

IMA status

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

Mineral status

anerkanntes Mineral

Optical Properties

Color

hellrosa, gelbbraun, hellbraun, hellgelb, farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.030

Birefringence chart\! Eosphorite title=Birefringence chart Eosphorite

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

1.639

RI value β

1.662

RI value γ / ε

1.669

Ri mean

1.657

2V angle

Biaxial (-) 50°

Optical Data Luminescence

Color LW-UV (365nm)

 

rot

Most Common Activator

Cr3+

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin, pseudo-orthorhombisch

Class (H-M)

mmm

Space Group number

64

Space Group

Cmca

Cell parameters a (Å)

6.928

Cell parameters b (Å)

10.445

Cell parameters c (Å)

13.501

Cell parameters a/b or c/a

0.663

Cell parameters c/b

1.293

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

8

Volume (ų)

977.0

Crystal structure

G. Diego Gatta, Gwilherm Nénert, and Pietro Vignola: Coexisting hydroxyl groups and H2O molecules in minerals: A single-crystal neutron diffraction study of eosphorite, MnAlPO4(OH)2·H2O. American Mineralogist Vol. 98 (2013) S. 1297-1301.

X-Ray Powder Diffraction

6.75(20),
5.220(60),
4.870(30),
4.384(30),
4.131(40),
3.410(30),
2.822(100),
2.432(30)

XRD chart Eosphorite

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

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.06 - 3.1 / Durchschnittlich = 3.08

3.112 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren

Preface

Author (Name, Year)

Brush & Dana, 1878

References

Handbook of Mineralogy (Anthony et al.), 4 (2000), 157.

Antoine Van Alboom, Valdirene Gonzaga de Resende, Geraldo Magela da Costa, Eddy De Grave: Mössbauer spectroscopic study of natural eosphorite, [(Mn,Fe)AlPO4(OH)2H2O]. American Mineralogist Vol. 100, Nr. 2-3 (2015) S. 580-587.

Other languages

Spanish

Eosforita

German

Eosphorit

English

Eosphorite

French

Eosphorite

Russian

Эосфорит

Alternative Name

Spanish

Eosphorita

CNMNC symbol

Symbol

Eos

Locations with GPS information

IDs

GUSID (Global unique identifier short form) G7w5vGF3eEiNxHU9bi271A
GUID (Global unique identifier) BC39BC1B-7761-4878-8DC4-753D6E2DBBD4
Database ID 1036