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Elbaite (Elbait)

Pictures (620 Images total)

Elbait
Views (File:
1373276400
): 8270, Rating: 9.6
Elbait
Größe: 8,53 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: Elbaite
Image: 1373276400
Rating: 9.6 (votes: 5)
License: Usage for Mineralienatlas project only
Elbait

Größe: 8,53 mm; Fundort: Grotta d'Oggi, San Piero in Campo, Campo nell'Elba,Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2013-07-08
Locality: Grotta d'Oggi / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Elbaite
Views (File:
1478712987
): 3472
Elbaite
Perfect coloure and quality, elbaite crystal from Paprok, Kamdesh District, Nuristan Province, Afghanistan; Size 55 x 25 x 21 mm
Copyright: pegmatite; Contribution: pegmatite
Collection: pegmatite
Location: Afghanistan/Nuristan, Provinz/Paprok
Mineral: Elbaite
Image: 1478712987
Rating: 10 (votes: 1)
License: Usage for Mineralienatlas project only
Elbaite

Perfect coloure and quality, elbaite crystal from Paprok, Kamdesh District, Nuristan Province, Afghanistan; Size 55 x 25 x 21 mm
Collection: pegmatite
Copyright: pegmatite
Contribution: pegmatite 2016-11-09
Locality: Paprok / Nuristan, Provinz / Afghanistan
Elbait
Views (File:
1317889405
): 4357, Rating: 9.46
Elbait
Größe: 5,55 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: Elbaite
Image: 1317889405
Rating: 9.46 (votes: 13)
License: Usage for Mineralienatlas project only
Elbait

Größe: 5,55 mm; Fundort: Grotta d'Oggi, San Piero in Campo, Campo nell'Elba, Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2011-10-06
Locality: Grotta d'Oggi / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Elbait
Views (File:
1220187522
): 8598, Rating: 9.42
Elbait
Größe: 0,7 cm; Fundort: Gang San Silvestro, 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/Gang San Silvestro (Filone San Silvestro)
Mineral: Elbaite
Image: 1220187522
Rating: 9.42 (votes: 12)
License: Usage for Mineralienatlas project only
Elbait

Größe: 0,7 cm; Fundort: Gang San Silvestro, San Piero in Campo, Campo nell'Elba, Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-08-31
Locality: Gang San Silvestro (Filone San Silvestro) / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien
Elbait
Views (File:
1280265565
): 3708, Rating: 9.08
Elbait
Bildbreite: 15 mm; Fundort: Bräunsdorf, Limbach, Granulitgebirge, Sachsen, Deutschland
Copyright: Joachim Esche; Contribution: slugslayer
Collection: turmalin77
Location: Deutschland/Sachsen/Zwickau, Landkreis/Limbach-Oberfrohna/Bräunsdorf
Mineral: Elbaite
Image: 1280265565
Rating: 9.08 (votes: 12)
License: Usage for Mineralienatlas project only
Elbait

Bildbreite: 15 mm; Fundort: Bräunsdorf, Limbach, Granulitgebirge, Sachsen, Deutschland
Collection: turmalin77
Copyright: Joachim Esche
Contribution: slugslayer 2010-07-27
Locality: Bräunsdorf / Limbach-Oberfrohna / Zwickau, Landkreis / Sachsen / Deutschland
Elbait
Views (File:
1216792454
): 1055, Rating: 8.91
Elbait
Bildbreite: 18,5 mm; Fundort: Gang Rosina, 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/Gang Rosina (Filone Rosina)
Mineral: Elbaite
Image: 1216792454
Rating: 8.91 (votes: 11)
License: Usage for Mineralienatlas project only
Elbait

Bildbreite: 18,5 mm; Fundort: Gang Rosina, San Piero in Campo, Campo nell'Elba, Insel Elba, Livorno, Toskana (Toscana), Italien
Copyright: Matteo Chinellato
Contribution: Hg 2008-07-23
Locality: Gang Rosina (Filone Rosina) / San Piero in Campo / Campo nell'Elba / Elba, Insel / Livorno, Provinz / Toskana (Toscana) / Italien

You find additional specimen at the Geolitho Museum

Collectors Summary

Color vielfarbig
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 7
Solubility +- HF, - andere Säuren
Crystal System trigonal, R3m
Morphology Basispedien, Prismen, Pyramiden und Kombinationen

Additional information / Summary

Elbait gehört zur Mineralgruppe Turmalin

Chemism

Chemical formula

Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

Chemical composition

Aluminium, Lithium, Natrium, Silicium, Bor, Sauerstoff, Wasserstoff

Unit weight: 921.69525105 u; Number of atoms in the formula: 54

Info

Empirical formula:

Na(Li0.75Al0.25)3Al6(BO3)3Si6O18(OH)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.44

4

7.41

1.0079470

4.0317880
Lithium

Li

1.69

2.25

4.17

6.9412000

15.6177000
Boron

B

3.52

3

5.56

10.8117000

32.4351000
Oxygen

O

53.81

31

57.41

15.9994300

495.9823300
Sodium

Na

2.49

1

1.85

22.9897702

22.9897702
Aluminium

Al

19.76

6.75

12.50

26.9815382

182.1253829
Silicon

Si

18.28

6

11.11

28.0855300

168.5131800

Analysis wt%

SiO2 : 37.46, B2O3 : 11.03, Al2O3 : 40.36, Li2O : 1.94, MnO : 2.08, Na2O : 1.82, CaO : 0.82, F : 1.19, H2O : 2.70 (Ref: Tschermaks Mineralogische und Petrographische Mitteilungen 82)

Strunz 9th edition incl. updates

9.CK.05

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
K: ~[Si6O18]12- sechser-Einfachringe, mit inselartig, komplexe [Anionen]
05:

Lapis Classification

VIII/E.19-010

VIII: SILIKATE
E: Ringsilikate
19: Sechserringe [Si6O18] 12-; Turmalin-Gruppe

Classification by Hölzel

9.CE.180

9: SILICATES
C: Cyclosilicates
E: Tourmaline-Group
1: Alkali-Subgroup 1 and 2 - Dravites and Elbaites

Dana 8th edition

61.03d.01.08

61: Cyclosilicates Cyclosilicate Six-Membered Rings
03d: Cyclosilicates Cyclosilicate Six-Membered Rings with borate groups (Lithian Tourmaline Subgroup)
01: Elbaite Subgroup

IMA status

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

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Tourmaline supergroup  ⇒ Alkali-Tourmaline group  ⇒ Tourmaline Alkali-subgroup 2

Optical Properties

Color

vielfarbig

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend bis opak

Lustre

Glasglanz

max. Birefringence

0.019
Birefringence chart\! Elbaite title=Birefringence chart Elbaite

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

1.637

RI value γ / ε

1.618

Ri mean

1.631

2V angle

Uniaxial (-)

Optical Data Luminescence

Luminescence

Piezoelectric

Color SW-UV (254nm)

  

bläulich weiß

SW-UV Intensity

stark

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

15.810

Cell parameters b (Å)

-

Cell parameters c (Å)

7.085

Cell parameters a/b or c/a

0.448

Cell parameters c/b

-

Z

3

Volumne (ų)

1533.678

X-Ray Powder Diffraction

4.96(30),
4.20(60),
3.96(80),
3.45(70),
2.931(90),
2.560(100),
2.029(50),
1.908(30)
XRD chart Elbaite

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

Morphology

Basispedien, Prismen, Pyramiden und Kombinationen

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

7

VHN (Hardness Vickers)

1300 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.05

2.994 ( ρ calc. Mineralienatlas )

Radioactivity

keine

Instability

+- HF, - andere Säuren

Chemical Properties and Tests

IR-Spektrum ist publiziert, siehe G. Diego Gatta, Rosa M. Danisi, Ilaria Adamo, Martin Meven, Valeria Diella: A single-crystal neutron and X-ray diffraction study of elbaite. Physics and Chemistry of Minerals Volume 39, Number 7 (2012), 577-588.

(Co-)Type locality

(Co-)Type locality

Italien/Toskana (Toscana)/Livorno, Provinz/Elba, Insel/Campo nell'Elba/San Piero in Campo/Fonte del Prete

Preface

Occurrences

Insel Elba (San Piero, San Illario), Brasilien, Madagaskar, Granulitgebirge /Sachs., Rozna(Böhmen)

Associations

Quarz, Lepidolith, Albit, Clevelandit, Topas, Muskovit, Mikroklin, Cookeit, Montmorillonit, Morganit

Name from

der Insel Elba

Author (Name, Year)

Vernadsky, 1913

Relevance, Usage

als Edelstein und für optische Gläser

Detailed description

Elbait ein typischer Turmalin lithiumreicher Pegmatite, er wird vor allem in der Spätphase der Kristallisation in Miarolen gebildet. Die Farbe ist sehr variabel und die Kristalle sind fast immer zoniert.



Elbait in situ

Pictures (1 Images total)

Elbait in situ
Views (File:
1260027184
): 387
Elbait in situ
Elizabeth R. Mine, Chief Mountain, Pala District, San Diego Co., Kalifornien, USA; Datum: Juli 2005
Copyright: Alan Goldstein; Contribution: slugslayer
Location: USA/Kalifornien (California)/San Diego Co./Pala District/Chief Mountain/Elizabeth R. Mine
Mineral: Elbaite
Image: 1260027184
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Elbait in situ

Elizabeth R. Mine, Chief Mountain, Pala District, San Diego Co., Kalifornien, USA; Datum: Juli 2005
Copyright: Alan Goldstein
Contribution: slugslayer 2009-12-05
Locality: Elizabeth R. Mine / Chief Mountain / Pala District / San Diego Co. / Kalifornien (California) / USA

References

American Mineralogist 91 (2006), 1847

C. Fantini , M. C. Tavares , K. Krambrock , R. L. Moreira, A. Righi: Raman and infrared study of hydroxyl sites in natural uvite, fluor-uvite, magnesio-foitite, dravite and elbaite tourmalines. Physics and Chemistry of Minerals Vol. 41, Issue 4 (2014) S. 247–254.

IMA group assignments

 
Tourmaline supergroup
 
trigonal
R3m

 
 
Alkali-Tourmaline group
 
 
 

 
 
 
Tourmaline Alkali-subgroup 2
 
 
 

 
 
 
 
Elbaite
Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
trigonal
R3m

 
 
 
 
Fluor-elbaite
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
trigonal
R3m

Refresh list

Actuality: 01. Jun 2023 - 16:34:53

Varieties

Achroite

farblose Varietät des Elbait

Chromian Elbaite

grüne, Cr(III)-haltige Varietät des Elbait

Indicolite

Indigolith wird blauer Elbait genannt, wobei es sich meist um ein relativ dunkles Blau, oft mit einem Stich ins Grüne, handelt. Blaue Turmaline sind sehr viel seltener als grüne oder rosafarbene.

Paraibaite

Paraibait ist eine blaue kupferhaltige Varietät des Elbait-Turmalins.

Rubellite

Rubellit ist ein rosa bis rot gefärbter Elbait, der in Hohlräumen und Drusen von Pegmatiten auftritt (Edelstein-Varietät)

Tsilaisite (Elbaite)

Tsilaisit = Mn-haltiger Elbait

Verdelite

Verdelith ist ein grün gefärbter Elbait (Edelstein-Varietät)

Other languages

German

Elbait

French

Elbaite

English

Elbaite

Spanish

Elbaíta

Russian

Эльбаит

Simplified Chinese

锂电气石

Alternative Name

Elbaite (of Vernadsky)

Lithia Tourmaline

Japanese

リシア電気石

CNMNC symbol

Symbol

Elb

Locations with GPS information

IDs

GUSID (Global unique identifier short form) cwdB8-afr0OoIBRb34dE0w
GUID (Global unique identifier) F3410773-9FE6-43AF-A820-145BDF8744D3
Database ID 1018