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Lepidolite

Pictures (65 Images total)

Lepidolith
Views (File:
1274529356
): 6772
Lepidolith
Größe: 24,65 mm; Fundort: Grotta d'Oggi, San Piero in Campo, Campo nell'Elba,Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Toskana (Toscana)/Livorno, Provinz/Elba, Insel/Campo nell'Elba/San Piero in Campo/Grotta d'Oggi
Mineral: Lepidolite
Image: 1274529356
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Lepidolith

Größe: 24,65 mm; Fundort: Grotta d'Oggi, San Piero in Campo, Campo nell'Elba,Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2010-05-22
Locality: Grotta d'Oggi / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Lepidolith
Views (File:
1567328611
): 1339
Lepidolith
Rozna-Pegmatit/Tschechien; fundfrisches Handstück Lepidolith von der TL in Rozna
Copyright: dendrocopos; Contribution: dendrocopos
Collection: dendrocopos
Location: Tschechien/Hochland (Kraj Vysočina)/Žd'ár nad Sázavou (Saar), Okres/Rožná (Roschna)/Rožná-Pegmatit
Mineral: Lepidolite
Image: 1567328611
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Lepidolith

Rozna-Pegmatit/Tschechien; fundfrisches Handstück Lepidolith von der TL in Rozna
Collection: dendrocopos
Copyright: dendrocopos
Contribution: dendrocopos 2019-09-01
Locality: Rožná-Pegmatit / Rožná (Roschna) / Žd'ár nad Sázavou (Saar), Okres / Hochland (Kraj Vysočina) / Tschechien
Elbait mit Lepidolith
Views (File:
1218549232
): 11550
Elbait mit Lepidolith
Größe: 37 mm; Fundort: Catri, Sant'Ilario in Campo, San Piero in Campo, Campo nell'Elba, Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Toskana (Toscana)/Livorno, Provinz/Elba, Insel/Campo nell'Elba/Sant'Ilario in Campo/Catri
Mineral: Elbaite, Lepidolite
Image: 1218549232
Rating: 9 (votes: 3)
License: Usage for Mineralienatlas project only
Elbait mit Lepidolith

Größe: 37 mm; Fundort: Catri, Sant'Ilario in Campo, San Piero in Campo, Campo nell'Elba, Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-12
Locality: Catri / Sant'Ilario in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Lepidolith mit Elbait
Views (File:
1274529306
): 4805
Lepidolith mit Elbait
Größe: 8,54 mm; Fundort: Grotta d'Oggi, San Piero in Campo, Campo nell'Elba,Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato; Contribution: Hg
Location: Italien/Toskana (Toscana)/Livorno, Provinz/Elba, Insel/Campo nell'Elba/San Piero in Campo/Grotta d'Oggi
Mineral: Lepidolite
Image: 1274529306
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Lepidolith mit Elbait

Größe: 8,54 mm; Fundort: Grotta d'Oggi, San Piero in Campo, Campo nell'Elba,Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2010-05-22
Locality: Grotta d'Oggi / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Lepidolith
Views (File:
1319664569
): 3084
Lepidolith
Itinga, Jequitinhonha, Minas Gerais, Südosten (Região Sudeste), Brasilien, 90x65 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Jequitinhonha, Fluss/Itinga
Mineral: Lepidolite
Image: 1319664569
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Lepidolith

Itinga, Jequitinhonha, Minas Gerais, Südosten (Região Sudeste), Brasilien, 90x65 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2011-10-26
Locality: Itinga / Jequitinhonha, Fluss / Minas Gerais / Südosten (Região Sudeste) / Brasilien
Perimorphose von Lepidolith nach Cleavelandit
Views (File:
1134724851
): 6011
Perimorphose von Lepidolith nach Cleavelandit
Größe: ca. 7 cm; Fundort: Minas Gerais, Brasilien
Copyright: Lourenco B. Santos; Contribution: Collector
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais
Mineral: Lepidolite
Encyclopedia: Perimorphose
Image: 1134724851
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Perimorphose von Lepidolith nach Cleavelandit

Größe: ca. 7 cm; Fundort: Minas Gerais, Brasilien
Copyright: Lourenco B. Santos
Contribution: Collector 2005-12-16
Locality: Minas Gerais / Südosten (Região Sudeste) / Brasilien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color rosa, lila, rosa-rot, violett-grau, gelblich, weiß, farblos
Lustre Perlglanz, Glasglanz
Hardness (Mohs) 2.75
Cleavages vollkommen {001}
Solubility + HF, - andere Säuren

Chemism

Chemical formula

K(Li,Al)3[(F,OH)2|(Al,Si)Si3O10]

Additional chem. information

Heller Glimmer mit deutlichem Li-Gehalt.
Meist ein Mischkristall der Reihe Polylithionit-Trilithionit

Chemical composition

Aluminium, Lithium, Silicium, Fluor, Kalium, Sauerstoff, Wasserstoff

Unit weight: 383.461883175 u; Number of atoms in the formula: 20.5

Info

Empirical formula:

K(Li0.75Al0.25)3[(F0.75(OH)0.25)2(Al0.75Si0.25)Si3O10]

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.13

0.5

2.44

1.0079470

0.5039735
Lithium

Li

4.07

2.25

10.98

6.9412000

15.6177000
Oxygen

O

43.81

10.5

51.22

15.9994300

167.9940150
Fluorine

F

7.43

1.5

7.32

18.9984033

28.4976049
Aluminium

Al

10.55

1.5

7.32

26.9815382

40.4723073
Silicon

Si

23.80

3.25

15.85

28.0855300

91.2779725
Potassium

K

10.20

1

4.88

39.0983100

39.0983100

Analysis wt%

SiO2 : 48.58, Al2O3 : 28.93, MnO : 0.92, Li2O : 3.70, Na2O : 0.87, K2O : 10.02, Rb2O : 0.91, F : 4.93, H2O : 3.10 (Ref: American Mineralogist 38)

Classification by Hölzel

9.ED.260

9: SILICATES
E: Phyllosilicates
D: Biotite-Group

IMA status

Die Mica Unterausschuss empfiehlt, dass der Name für eine Reihe von trioktaedrischen Glimmern, die wesentliche Lithium beinhalten, verwendet wird.

Mineral status

Reihe/Gruppe/Serie/Folge

Optical Properties

Color

rosa, lila, rosa-rot, violett-grau, gelblich, weiß, farblos

Diaphaneity (Transparency)

transparent, durchscheinend

Lustre

Perlglanz, Glasglanz

max. Birefringence

0.029
Birefringence chart\! Lepidolite title=Birefringence chart Lepidolite

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

1.525 - 1.548

RI value β

1.551 - 1.585

RI value γ / ε

1.554 - 1.587

Ri mean

1.558

2V angle

Biaxial (-) 0° - 58° (gemessen)

Orientation

Y = b; X ^ a = 90° - 87°; Z ^ a = 0° - 7°

Dispersion

schwach; r > v

Absorption

Y ≃ Z > X

Pleochroism

X = fast farblos; Y = Z = rosa, blass violett

Optical Data Luminescence

Afterglow (Persistant Luminescence)

keine Daten

Thermoluminescence

vorhanden

Triboluminescence

vorhanden

Crystallography

Cell parameters a (Å)

5.209

Cell parameters b (Å)

9.011

Cell parameters c (Å)

10.149

Cell parameters a/b or c/a

0.581

Cell parameters c/b

1.124

Cell parameters α

90°

Cell parameters β

100.80

Cell parameters γ

90°

Z

2

Volumne (ų)

462.7

X-Ray Powder Diffraction

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2.75

VHN (Hardness Vickers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.83 (berechnet) 2.85 (gemessen)

2.752 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Tenacity

elastisch

Instability

+ HF, - andere Säuren

(Co-)Type locality

(Co-)Type locality

Tschechien/Hochland (Kraj Vysočina)/Žd'ár nad Sázavou (Saar), Okres/Rožná (Roschna)/Rožná-Pegmatit

Type material

Mineraliensammlung des Museums für Naturkunde Berlin

Collection number of type material

Proben 1999-0083, 1999-4973 und 2006-02761

Preface

Name from

dem griechischen lepidion - kleine Schuppe und lithos - Stein

Author (Name, Year)

Klaproth, 1792

References

American Mineralogist 38 (1953), 88

Zeitschrift für Kristallographie 97 (1937), 514

American Mineralogist 66 (1981), 1221

Mineralogical Magazine 65 (2001), 249

Canadian Mineralogist 36 (1998), 905

American Mineralogist 89 (2004), 1680

Contribution to Mineralogy and Petrology 153 (2007), 355

Mineralogical Magazine 71 (2007), 41

Other languages

Dutch

Lepidoliet

Finnish

Lepidoliitti

Spanish

Lepidolita

English

Lepidolite

German

Lepidolith

Japanese

リチア雲母

Traditional Chinese

鋰雲母

Simplified Chinese

锂云母

Alternative Name

Flower Sugilite

Lavenderine

Hungarian

Lepidolit

Polish

Lepidolit

Turkish

Lepidolit

Lepidolite

English

Lepidolite-1M

German

Lepidolith-1M

German

Lilalit

Spanish

Lilalita

Lilalite

German

Lilianthit

Spanish

Lilianthita

Lilianthite

Lithia Mica

Lithionglimmer

German

Lithionit

Spanish

Lithionita

Lithionite

Russian

Лепидолит

CNMNC symbol

Symbol

Lpd

Locations with GPS information

IDs

GUSID (Global unique identifier short form) kcWDe5fWnUKg4wlvTbmlIA
GUID (Global unique identifier) 7B83C591-D697-429D-A0E3-096F4DB9A520
Database ID 4726