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Gibbsite (Gibbsit)

Pictures (31 Images total)

Gibbsit
Views (File:
1244299740
): 8264, Rating: 8.8
Gibbsit
Hilarion-Stollen, Kamariza, Lavrion, Attika, Griechenland
(Bildbreite ca. 8,4 mm)
Copyright: MichaelP; Contribution: MichaelP
Collection: MichaelP, Collection number: 2008-775-1
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Kamariza Minen (Kamareza)/Hilarion Mine
Mineral: Gibbsite
Image: 1244299740
Rating: 8.8 (votes: 5)
License: Usage for Mineralienatlas project only
Gibbsit (SNr: 2008-775-1)

Hilarion-Stollen, Kamariza, Lavrion, Attika, Griechenland
(Bildbreite ca. 8,4 mm)
Collection: MichaelP
Copyright: MichaelP
Contribution: MichaelP 2009-06-06
Locality: Hilarion Mine / Kamariza Minen (Kamareza) / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Gibbsit
Views (File:
1412159703
): 3490
Gibbsit
Kugelige weiße Kristallaggregate auf Goethit, BB = 4,2 mm; Fundort: Exi Mine (Sounion Mine No. 6), Aghia Varvara, Sounion, Laurion, Attika, Griechenland.
Copyright: Bebo; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A027014, Donator: Peter Köhlen
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Lophos/Agrileza Minen/Sounion Mine Nr. 06 (Exi Mine)
Mineral: Gibbsite
Image: 1412159703
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Gibbsit (SNr: A027014)

Kugelige weiße Kristallaggregate auf Goethit, BB = 4,2 mm; Fundort: Exi Mine (Sounion Mine No. 6), Aghia Varvara, Sounion, Laurion, Attika, Griechenland.
Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2014-10-01
Locality: Sounion Mine Nr. 06 (Exi Mine) / Agrileza Minen / Lophos / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Gibbsit
Views (File:
1462195191
): 1026
Gibbsit
Kugelige weißliche Kristallaggregate, Bb = 12 mm; Fundort: Exi Mine (Sounion Mine No. 6), Aghia Varvara, Sounion, Laurion, Attika, Griechenland.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: B002220, Donator: Manfred Seitz
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Lophos/Agrileza Minen/Sounion Mine Nr. 06 (Exi Mine)
Mineral: Gibbsite
Image: 1462195191
Rating: 9 (votes: 1)
License: Usage for Mineralienatlas project only
Gibbsit (SNr: B002220)

Kugelige weißliche Kristallaggregate, Bb = 12 mm; Fundort: Exi Mine (Sounion Mine No. 6), Aghia Varvara, Sounion, Laurion, Attika, Griechenland.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2016-05-02
Locality: Sounion Mine Nr. 06 (Exi Mine) / Agrileza Minen / Lophos / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Gibbsit
Views (File:
1345546033
): 5927, Rating: 8
Gibbsit
Xianghualing Mine, Chenzhou, Prov. Hunan, China, 10 x 5,5 x 4,5 cm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: China/Hunan, Provinz/Chenzhou, Präfektur/Linwu, Kreis/Xianghualing Sn-Erzfeld/Xianghualing Mine (Hsianghualing Mine)
Mineral: Gibbsite
Image: 1345546033
Rating: 8 (votes: 10)
License: Usage for Mineralienatlas project only
Gibbsit

Xianghualing Mine, Chenzhou, Prov. Hunan, China, 10 x 5,5 x 4,5 cm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2012-08-21
Locality: Xianghualing Mine (Hsianghualing Mine) / Xianghualing Sn-Erzfeld / Linwu, Kreis / Chenzhou, Präfektur / Hunan, Provinz / China
Gibbsit
Views (File:
1179861969
): 5177
Gibbsit
Fundort: Hilarion Mine, Revier Kamariza, Lavrion, Griechenland; Bildbreite: 3 mm
Copyright: UlrichW; Contribution: Klinoklas
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Kamariza Minen (Kamareza)/Hilarion Mine
Mineral: Gibbsite
Image: 1179861969
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Gibbsit

Fundort: Hilarion Mine, Revier Kamariza, Lavrion, Griechenland; Bildbreite: 3 mm
Copyright: UlrichW
Contribution: Klinoklas 2007-05-22
Locality: Hilarion Mine / Kamariza Minen (Kamareza) / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Gibbsit
Views (File:
1298841418
): 4540
Gibbsit
Xianghualing Mine, Chenzhou, Prov. Hunan, China, 75x65 mm
Copyright: Embarak; Contribution: Embarak
Collection: Embarak
Location: China/Hunan, Provinz/Chenzhou, Präfektur/Linwu, Kreis/Xianghualing Sn-Erzfeld/Xianghualing Mine (Hsianghualing Mine)
Mineral: Gibbsite
Image: 1298841418
Rating: 8 (votes: 1)
License: Usage for Mineralienatlas project only
Gibbsit

Xianghualing Mine, Chenzhou, Prov. Hunan, China, 75x65 mm
Collection: Embarak
Copyright: Embarak
Contribution: Embarak 2011-02-27
Locality: Xianghualing Mine (Hsianghualing Mine) / Xianghualing Sn-Erzfeld / Linwu, Kreis / Chenzhou, Präfektur / Hunan, Provinz / China

You find additional specimen at the Geolitho Museum

Collectors Summary

Color bläulich, grün, grün weiß, grau, grauweiß
Streak color weiß
Hardness (Mohs) 3
Solubility ++ heiße Alkalien, + konz. H2SO4
Crystal System monoklin, P21/n

Chemism

Chemical formula

Al(OH)3

Chemical composition

Aluminium, Sauerstoff, Wasserstoff

Unit weight: 78.0036692 u; Number of atoms in the formula: 7

Info

Empirical formula:

Al(OH)3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

3.88

3

42.86

1.0079470

3.0238410
Oxygen

O

61.53

3

42.86

15.9994300

47.9982900
Aluminium

Al

34.59

1

14.29

26.9815382

26.9815382

Analysis wt%

Al2O3 : 62.80, Fe2O3 : 0.44, SiO2 : 2.78, H2O : 33.74 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

4.FE.10

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
F: Hydroxide (ohne V oder U)
E: Hydroxide mit OH, ohne H2O; Lagen kantenverknüpfter Oktaeder
10:Gibbsit-Gruppe

Lapis Classification

IV/F.02-010

IV: OXIDE
F: Hydroxide und oxidische Hydrate (wasserhaltige Oxide mit Schichtstruktur)

Classification by Hölzel

4.FB.100

4: OXIDES
F: Hydroxides and Hydrates (without V and U)
B: Trihydroxides Me(OH)3 Bayerite-Group

Dana 8th edition

06.03.01.01

06: Hydroxides and Oxides Containing Hydroxyl
03: Hydroxides and Oxides Containing Hydroxyl with (OH)3 or (OH)6 groups

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

bläulich, grün, grün weiß, grau, grauweiß

Streak color

weiß

Diaphaneity (Transparency)

durchscheinend bis transparent

max. Birefringence

0.019
Birefringence chart\! Gibbsite title=Birefringence chart Gibbsite

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

1.568

RI value β

1.568

RI value γ / ε

1.587

Ri mean

1.574

2V angle

Biaxial (+) 0°~

Optical Data Luminescence

Color LW-UV (365nm)

  

gelblich weiß

Color SW-UV (254nm)

  

gelblich weiß

SW-UV Other Colors

      

grün, grünlich, grünlich weiß

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

8.624

Cell parameters b (Å)

5.060

Cell parameters c (Å)

9.700

Cell parameters a/b or c/a

1.704

Cell parameters c/b

1.917

Cell parameters α

90°

Cell parameters β

94.57

Cell parameters γ

90°

Z

8

Volumne (ų)

421.937

X-Ray Powder Diffraction

4.849(100),
4.371(70),
4.319(50),
3.312(30),
2.452(40),
2.385(50),
2.049(40),
1.804(30)
XRD chart Gibbsite

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)

2.3 - 2.4 / Durchschnittlich = 2.34

2.456 ( ρ calc. Mineralienatlas )

Instability

++ heiße Alkalien, + konz. H2SO4

(Co-)Type locality

(Co-)Type locality

USA/Massachusetts/Berkshire Co./Richmond

Preface

Author (Name, Year)

Torrey, 1822

References

Handbook of Mineralogy (Anthony et al.), 3 (1997), 222

Other languages

Dutch

Gibbsiet

German

Gibbsit

Spanish

Gibbsita

English

Gibbsite

French

Gibbsite

Polish

Gibbsyt

Russian

Гиббсит

Ukrainian

Гібсит

Japanese

ギブス石

Traditional Chinese

三水鋁石

Simplified Chinese

三水铝石

Alternative Name

German

Claussenit

Spanish

Claussenita

Claussenite

Gibbsite (of Torrey)

German

Gibbsitogelit

Spanish

Gibbsitogelita

Gibbsitogelite

English

Hydrargillite

Hydrargyllit

Wavellite (of Dewey)

German

Zirlit

nur für das Vorkommen in der Raibl Formation in der Zirler Klamm nahe Innsbruck (A. Pichler, 1871, 1875)

English

Zirlite

Spanish

b-Kliachita

b-Kliachite

CNMNC symbol

Symbol

Gbs

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 2ctLUNRnsEeLiSWAIPmuvw
GUID (Global unique identifier) 504BCBD9-67D4-47B0-8B89-258020F9AEBF
Database ID 1377