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Meurigite-K

Pictures (18 Images total)

Meurigit-K
Views (File:
1315815347
): 668
Meurigit-K
Größe: 1,25 mm; Fundort: Sapucaia Mine, Sapucaia do Norte, Galiléia, Docetal, Minas Gerais, Brasilien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Doce-Tal/Galiléia/Sapucaia do Norte/Sapucaia Mine
Mineral: Meurigite-K
Image: 1315815347
Rating: 9.67 (votes: 3)
License: Usage for Mineralienatlas project only
Meurigit-K

Größe: 1,25 mm; Fundort: Sapucaia Mine, Sapucaia do Norte, Galiléia, Docetal, Minas Gerais, Brasilien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-12
Locality: Sapucaia Mine / Sapucaia do Norte / Galiléia / Doce-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Meurigit-K
Views (File:
1315815402
): 853
Meurigit-K
Größe: 3,12 mm; Fundort: Sapucaia Mine, Sapucaia do Norte, Galiléia, Docetal, Minas Gerais, Brasilien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Doce-Tal/Galiléia/Sapucaia do Norte/Sapucaia Mine
Mineral: Meurigite-K
Image: 1315815402
Rating: 10 (votes: 2)
License: Usage for Mineralienatlas project only
Meurigit-K

Größe: 3,12 mm; Fundort: Sapucaia Mine, Sapucaia do Norte, Galiléia, Docetal, Minas Gerais, Brasilien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-12
Locality: Sapucaia Mine / Sapucaia do Norte / Galiléia / Doce-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Meurigit-K
Views (File:
1323509048
): 1610, Rating: 9
Meurigit-K
Bildbreite: 1,5 mm; Fundort: Puech de Leguo, La Capelle-Bleys, Aveyron, Département, Midi-Pyrénées, Region, Frankreich
Copyright: Jean-Marc Johannet; Contribution: Hg
Location: Frankreich/Okzitanien (Occitanie), Region/Aveyron, Département/Villefranche-de-Rouergue, Arrondissement/La Capelle-Bleys/Puech de Leguo
Mineral: Meurigite-K
Image: 1323509048
Rating: 9 (votes: 5)
License: Usage for Mineralienatlas project only
Meurigit-K

Bildbreite: 1,5 mm; Fundort: Puech de Leguo, La Capelle-Bleys, Aveyron, Département, Midi-Pyrénées, Region, Frankreich

Copyright: Jean-Marc Johannet
Contribution: Hg 2011-12-10
Locality: Puech de Leguo / La Capelle-Bleys / Villefranche-de-Rouergue, Arrondissement / Aveyron, Département / Okzitanien (Occitanie), Region / Frankreich
Meurigit-K
Views (File:
1315815455
): 722, Rating: 8.5
Meurigit-K
Größe: 3,43 mm; Fundort: Sapucaia Mine, Sapucaia do Norte, Galiléia, Docetal, Minas Gerais, Brasilien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Doce-Tal/Galiléia/Sapucaia do Norte/Sapucaia Mine
Mineral: Meurigite-K
Image: 1315815455
Rating: 8.5 (votes: 4)
License: Usage for Mineralienatlas project only
Meurigit-K

Größe: 3,43 mm; Fundort: Sapucaia Mine, Sapucaia do Norte, Galiléia, Docetal, Minas Gerais, Brasilien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-12
Locality: Sapucaia Mine / Sapucaia do Norte / Galiléia / Doce-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Meurigit-K
Views (File:
1316073251
): 1321
Meurigit-K
Größe: 3,15 mm, Fundort: Teškov, Rokycany, Böhmen, Tschechien
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Tschechien/Pilsen (Plzeňský kraj)/Rokitzan (Rokycany), Bezirk/Rokitzan (Rokycany)/Teskov
Mineral: Meurigite-K
Image: 1316073251
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Meurigit-K

Größe: 3,15 mm, Fundort: Teškov, Rokycany, Böhmen, Tschechien

Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-15
Locality: Teskov / Rokitzan (Rokycany) / Rokitzan (Rokycany), Bezirk / Pilsen (Plzeňský kraj) / Tschechien
Meurigit-K
Views (File:
1323509109
): 841
Meurigit-K
Bildbreite: 3 mm; Fundort: Puech de Leguo, La Capelle-Bleys, Aveyron, Département, Midi-Pyrénées, Region, Frankreich
Copyright: Jean-Marc Johannet; Contribution: Hg
Location: Frankreich/Okzitanien (Occitanie), Region/Aveyron, Département/Villefranche-de-Rouergue, Arrondissement/La Capelle-Bleys/Puech de Leguo
Mineral: Meurigite-K
Image: 1323509109
Rating: 9 (votes: 2)
License: Usage for Mineralienatlas project only
Meurigit-K

Bildbreite: 3 mm; Fundort: Puech de Leguo, La Capelle-Bleys, Aveyron, Département, Midi-Pyrénées, Region, Frankreich

Copyright: Jean-Marc Johannet
Contribution: Hg 2011-12-10
Locality: Puech de Leguo / La Capelle-Bleys / Villefranche-de-Rouergue, Arrondissement / Aveyron, Département / Okzitanien (Occitanie), Region / Frankreich

You find additional specimen at the Geolitho Museum

Collectors Summary

Color weiß, cremfarben, gelblichbraun, blass gelb, kanariengelb
Streak color blass gelblich weiß
Hardness (Mohs) 3
Cleavages vollkommen {001}
Crystal System monoklin, C2, Cm, C2/m

Chemism

Chemical formula

KFe73+[(OH)7|(PO4)5]·8H2O

Chemical composition

Eisen, Kalium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 1168.046347 u; Number of atoms in the formula: 71

Info

Empirical formula:

KFe7[(OH)7(PO4)5]·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.98

23

32.39

1.0079470

23.1827810

Oxygen

O

47.94

35

49.30

15.9994300

559.9800500

Phosphorus

P

13.26

5

7.04

30.9737612

154.8688060

Potassium

K

3.35

1

1.41

39.0983100

39.0983100

Iron

Fe

33.47

7

9.86

55.8452000

390.9164000

Analysis wt%

Ø K2O : 3.37, Fe2O3 : 47.40, Al2O3 : 0.70, P2O5 : 30.71, CO2 : 0.73, H2O : 16.20 (Ref: Mineralogical Magazine 96)

Strunz 9th edition incl. updates

8.DJ.20

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
J: Mit großen und mittelgroßen [Kationen], (OH, etc.):RO4 = 1:1
20:Phosphofibrit-Gruppe

Lapis Classification

VII/D.11-150

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

Classification by Hölzel

8.DI.190

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
I: C large, V=1(2) - C small-medium, V=2,3,4
1: C small-medium, V=2 and 3,4 Paulkerrite-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

weiß, cremfarben, gelblichbraun, blass gelb, kanariengelb

Streak color

blass gelblich weiß

Diaphaneity (Transparency)

durchscheinend

max. Birefringence

0.020

Birefringence chart\! Meurigite-K title=Birefringence chart Meurigite-K

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

1.780

RI value β

1.785

RI value γ / ε

1.800

Ri mean

1.788

2V angle

Biaxial (+) 60°

Crystallography

Crystal System

monoklin

Class (H-M)

2, m, 2/m

Space Group number

5, 8, 12

Space Group

C2, Cm, C2/m

Cell parameters a (Å)

29.018

Cell parameters b (Å)

5.189

Cell parameters c (Å)

19.695

Cell parameters a/b or c/a

5.592

Cell parameters c/b

3.796

Cell parameters α

90°

Cell parameters β

106.98

Cell parameters γ

90°

Z

4

Volume (ų)

2836.284

X-Ray Powder Diffraction

9.41(60),
4.84(90),
4.32(70),
4.25(50),
3.781(30),
3.470(60),
3.216(100),
3.116(80)

XRD chart Meurigite-K

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)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.96

2.735 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Preface

Author (Name, Year)

Birch & Pring & Self & Gibbs & Keck & Jensen & Foord, 1996

References

Mineralogical Magazine 60 (1996), 787

Other languages

German

Meurigit-K

Spanish

Meurigita-K

French

Meurigite-K

English

Meurigite-K

CNMNC (IMA)-Number

IMA 1995-022

CNMNC symbol

Symbol

Meu-K

Locations with GPS information

IDs

GUSID (Global unique identifier short form) U2Gm4Dq3rk6EkeClqQhJXw
GUID (Global unique identifier) E0A66153-B73A-4EAE-8491-E0A5A908495F
Database ID 2522