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Phlogopite (Phlogopit)

Pictures (110 Images total)

Phlogopit
Views (File:
1278280128
): 12502, Rating: 9.64
Phlogopit
Größe: 8 mm; Fundort: In den Dellen (Bimsgrube Zieglowski), Mendig, Eifel, Deutschland
Copyright: Fred Kruijen; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Mendig, Verbandsgemeinde/In den Dellen (Grube Zieglowski)
Mineral: Phlogopite
Image: 1278280128
Rating: 9.64 (votes: 11)
License: Usage for Mineralienatlas project only
Phlogopit

Größe: 8 mm; Fundort: In den Dellen (Bimsgrube Zieglowski), Mendig, Eifel, Deutschland

Copyright: Fred Kruijen
Contribution: Hg 2010-07-04
Locality: In den Dellen (Grube Zieglowski) / Mendig, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Phlogopit mit Volborthit
Views (File:
1322557891
): 6711, Rating: 9.5
Phlogopit mit Volborthit
Bildbreite: 4 mm; Fundort: Kahlenberg (Auf'm Kopp), Oberstadtfeld, Daun, Eifel, Rheinland-Pfalz, Deutschland
Copyright: Fred Kruijen; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Daun/Oberstadtfeld/Auf'm Kopp (Kahlenberg; Kallenberg)
Mineral: Phlogopite
Image: 1322557891
Rating: 9.5 (votes: 6)
License: Usage for Mineralienatlas project only
Phlogopit mit Volborthit

Bildbreite: 4 mm; Fundort: Kahlenberg (Auf'm Kopp), Oberstadtfeld, Daun, Eifel, Rheinland-Pfalz, Deutschland

Copyright: Fred Kruijen
Contribution: Hg 2011-11-29
Locality: Auf'm Kopp (Kahlenberg; Kallenberg) / Oberstadtfeld / Daun / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Phlogopit
Views (File:
1178048046
): 10335, Rating: 9.6
Phlogopit
Bildbreite: 6 mm; Fundort Laacher See-Vulkangebiet, Eifel, Deutschland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Deutschland/Rheinland-Pfalz/Ahrweiler, Landkreis/Brohltal, Verbandsgem./Laacher See
Mineral: Phlogopite
Image: 1178048046
Rating: 9.6 (votes: 5)
License: Usage for Mineralienatlas project only
Phlogopit

Bildbreite: 6 mm; Fundort Laacher See-Vulkangebiet, Eifel, Deutschland

Copyright: Stephan Wolfsried
Contribution: Hg 2007-05-01
Locality: Laacher See / Brohltal, Verbandsgem. / Ahrweiler, Landkreis / Rheinland-Pfalz / Deutschland
Phlogopit
Views (File:
1571927199
): 3514
Phlogopit
irisierend, Vulkaneifel, Landkreis / Hillesheim / Walsdorf / Goßberg, Bildbreite 4 mm
Copyright: Reinhold; Contribution: Reinhold
Collection: Reinhold
Location: Deutschland/Rheinland-Pfalz/Vulkaneifel, Landkreis/Hillesheim/Walsdorf/Goßberg
Mineral: Phlogopite
Encyclopedia: Irideszenz
Image: 1571927199
Rating: 10 (votes: 2)
License: Usage for Mineralienatlas project only
Phlogopit

irisierend, Vulkaneifel, Landkreis / Hillesheim / Walsdorf / Goßberg, Bildbreite 4 mm

Collection: Reinhold
Copyright: Reinhold
Contribution: Reinhold 2019-10-24
Locality: Goßberg / Walsdorf / Hillesheim / Vulkaneifel, Landkreis / Rheinland-Pfalz / Deutschland
Phlogopit (Biotit-Reihe)
Views (File:
1547990818
): 2012
Phlogopit (Biotit-Reihe)
In den Dellen, (Bimsgrube Zieglowski), Mendig, Bildbreite 10 mm
Copyright: khm; Contribution: khm
Collection: khm
Mineral: Phlogopite
Image: 1547990818
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Phlogopit (Biotit-Reihe)

In den Dellen, (Bimsgrube Zieglowski), Mendig, Bildbreite 10 mm

Collection: khm
Copyright: khm
Contribution: khm 2019-01-20
Phlogopit
Views (File:
1298212480
): 1690, Rating: 8.78
Phlogopit
Größe: 1,8 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien
Copyright: Enrico Bonacina; Contribution: Hg
Location: Italien/Kampanien (Campania), Region/Neapel, Provinz/Somma-Vesuv-Komplex/Monte Somma
Mineral: Phlogopite
Image: 1298212480
Rating: 8.78 (votes: 9)
License: Usage for Mineralienatlas project only
Phlogopit

Größe: 1,8 mm; Fundort: Monte Somma, Somma-Vesuv-Komplex, Neapel, Kampanien (Campania), Italien

Copyright: Enrico Bonacina
Contribution: Hg 2011-02-20
Locality: Monte Somma / Somma-Vesuv-Komplex / Neapel, Provinz / Kampanien (Campania), Region / Italien

Collectors Summary

Color braun, grau, grün, gelb, rötlichbraun
Streak color weiß
Lustre Glasglanz, Perlmuttglanz
Hardness (Mohs) 2 - 2.5
Solubility +++ HF, warme konz. H2SO4, kochende Zitronensäure
Crystal System monoklin, C2/m

Chemism

Chemical formula

KMg3(Si3Al)O10(F,OH)2

Chemical composition

Aluminium, Magnesium, Silicium, Fluor, Kalium, Sauerstoff, Wasserstoff

Unit weight: 420.247211575 u; Number of atoms in the formula: 20.5

Info

Empirical formula:

KMg3(Si3Al)O10(F0.75(OH)0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.12

0.5

2.44

1.0079470

0.5039735

Oxygen

O

39.98

10.5

51.22

15.9994300

167.9940150

Fluorine

F

6.78

1.5

7.32

18.9984033

28.4976049

Magnesium

Mg

17.35

3

14.63

24.3050600

72.9151800

Aluminium

Al

6.42

1

4.88

26.9815382

26.9815382

Silicon

Si

20.05

3

14.63

28.0855300

84.2565900

Potassium

K

9.30

1

4.88

39.0983100

39.0983100

Analysis wt%

SiO2 : 38.63, TiO2 : 1.11, Al2O3 : 16.80, Fe2O3 : 1.68, FeO : 2.79, MgO : 23.78, Na2O : 0.68, K2O : 10.83, F : 0.56, H2O : 3.21 (Ref: Zeitschrift ür Kristallographie 32)

Strunz 9th edition incl. updates

9.EC.20

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
20:Phlogopit-Gruppe

Lapis Classification

VIII/H.11-080

VIII: SILIKATE
H: Schichtsilikate
11: Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Glimmer-Gruppe; Lithionit/Biotit-Reihe

Classification by Hölzel

9.ED.100

9: SILICATES
E: Phyllosilicates
D: Biotite-Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Mica group  ⇒ True micas

Optical Properties

Color

braun, grau, grün, gelb, rötlichbraun

Streak color

weiß

Lustre

Glasglanz, Perlmuttglanz

max. Birefringence

0.04

Birefringence chart\! Phlogopite title=Birefringence chart Phlogopite

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

1.56!!

RI value β

1.60!!

RI value γ / ε

1.60!!

Ri mean

1.587

2V angle

Biaxial (-) 8°!

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

5.312

Cell parameters b (Å)

9.20

Cell parameters c (Å)

10.204

Cell parameters a/b or c/a

0.577

Cell parameters c/b

1.109

Cell parameters α

90°

Cell parameters β

99.82

Cell parameters γ

90°

Z

2

Volumne (ų)

491.367

X-Ray Powder Diffraction

9.97(100),
3.35(100),
2.62(100),
2.432(80),
2.000(100),
1.670(100),
1.534(100)

XRD chart Phlogopite

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

Polytypes

Phlogopite-1M

KMg2.24Fe0.76Al1.4Si2.6O10[OH]2

monoklin

C2/m

2/m

Phlogopite-2M1

Phlogopite-3T

trigonal

P3112

32

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2 - 2.5

VHN (Hardness Vickers)

42 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.75 - 2.97

2.84 ( ρ calc. Mineralienatlas )

Instability

+++ HF, warme konz. H2SO4, kochende Zitronensäure

Preface

Associations

Calcit, Rubin

Author (Name, Year)

Breithaupt, 1841

References

Canadian Mineralogist 39 (2001), 1333.

Karel Breiter, Michaela Vaňková, Michaela Vašinová Galiová, Zuzana Korbelová, Viktor Kanický: Lithium and trace-element concentrations in trioctahedral micas from granites of different geochemical types measured via laser ablation ICP-MS. Mineralogical Magazine, Jhrg. 81, Nr. 1 (2017) S. 15-33.

IMA group assignments

Other languages

Dutch

Flogopiet

Catalan

Flogopita

Spanish

Flogopita

Basque

Flogopita

Galician

Flogopita

Portuguese

Flogopita

German

Phlogopit

English

Phlogopite

Russian

Флогопит

Hebrew

פלוגופיט

Simplified Chinese

金云母

Japanese

金雲母

Alternative Name

Bronze Mica

Brown Mica

English

Chromephlogopite

Polish

Flogopit

English

Flogopite

Hydroxyl-Phlogopite

Magnesia Mica

Rhombic Mica

CNMNC symbol

Symbol

Phl

Rock part of

Locations with GPS information