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Attikaite (Attikait)

Pictures (17 Images total)

Attikait xx, Konichalcit xx
Views (File:
1504248190
): 1916, Rating: 9.1
Attikait xx, Konichalcit xx
Lavrion, Christiana 123/Griechenland; Bildbreite 5,2 mm erstellt aus 81 Aufnahmen mit dem Stacking-Verfahren; Pentax K 3 am Pentax-Balgen mit Leitz Photar 25 mm, f2,0 an Stacking-Unit; von stonemaster mit Super-Nova Beleuchtung
Copyright: Karlheinz Grosch; Contribution: Karlheinz Grosch
Collection: Karlheinz Grosch
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine
Mineral: Attikaite
Image: 1504248190
Rating: 9.1 (votes: 10)
License: Usage for Mineralienatlas project only
Attikait xx, Konichalcit xx

Lavrion, Christiana 123/Griechenland; Bildbreite 5,2 mm erstellt aus 81 Aufnahmen mit dem Stacking-Verfahren; Pentax K 3 am Pentax-Balgen mit Leitz Photar 25 mm, f2,0 an Stacking-Unit; von stonemas...
Collection: Karlheinz Grosch
Copyright: Karlheinz Grosch
Contribution: Karlheinz Grosch 2017-09-01
Locality: Christiana Mine / Mercati Minen / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Attikait
Views (File:
1243512426
): 2296, Rating: 7.83
Attikait
Bildbreite: 10 mm; Fundort: Christiana Mine, Revier Kamariza, Lavrion, Attika, Griechenland
Copyright: Fritz Schreiber; Contribution: Hg
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine
Mineral: Attikaite
Image: 1243512426
Rating: 7.83 (votes: 6)
License: Usage for Mineralienatlas project only
Attikait

Bildbreite: 10 mm; Fundort: Christiana Mine, Revier Kamariza, Lavrion, Attika, Griechenland
Copyright: Fritz Schreiber
Contribution: Hg 2009-05-28
Locality: Christiana Mine / Mercati Minen / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Attikait
Views (File:
1315815673
): 1127
Attikait
Größe: 0,7 mm; Fundort: Christiana Mine, Revier Kamariza, Lavrion, Attika, Griechenland
Copyright: Matteo Chinellato; Contribution: Hg
Collection: Domenico Preite
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine
Mineral: Attikaite
Image: 1315815673
Rating: 7.67 (votes: 3)
License: Usage for Mineralienatlas project only
Attikait

Größe: 0,7 mm; Fundort: Christiana Mine, Revier Kamariza, Lavrion, Attika, Griechenland
Collection: Domenico Preite
Copyright: Matteo Chinellato
Contribution: Hg 2011-09-12
Locality: Christiana Mine / Mercati Minen / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Attikait
Views (File:
1164564038
): 1375
Attikait
Bildbreite: 3 mm; Fundort Christina Mine, Lavrion, Attika, Griechenland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine
Mineral: Attikaite
Image: 1164564038
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Attikait

Bildbreite: 3 mm; Fundort Christina Mine, Lavrion, Attika, Griechenland
Copyright: Stephan Wolfsried
Contribution: Hg 2006-11-26
Locality: Christiana Mine / Mercati Minen / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Attikait
Views (File:
1178709862
): 1057
Attikait
Christiana Stollen Nr. 132, Kamariza, Lavrion, Griechenland
Copyright: Fritz Schreiber; Contribution: Hg
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine
Mineral: Attikaite
Image: 1178709862
Rating: 6.67 (votes: 3)
License: Usage for Mineralienatlas project only
Attikait

Christiana Stollen Nr. 132, Kamariza, Lavrion, Griechenland
Copyright: Fritz Schreiber
Contribution: Hg 2007-05-09
Locality: Christiana Mine / Mercati Minen / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland
Attikait
Views (File:
1178709904
): 810
Attikait
Bildbreite: 8 mm; Christiana Stollen Nr. 132, Kamariza, Lavrion, Griechenland
Copyright: Fritz Schreiber; Contribution: Hg
Location: Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine
Mineral: Attikaite
Image: 1178709904
Rating: 5.5 (votes: 2)
License: Usage for Mineralienatlas project only
Attikait

Bildbreite: 8 mm; Christiana Stollen Nr. 132, Kamariza, Lavrion, Griechenland
Copyright: Fritz Schreiber
Contribution: Hg 2007-05-09
Locality: Christiana Mine / Mercati Minen / Agios Konstantinos (Kamariza) / Lavrion (Laurion), Bergbaudistrikt / Lavreotiki / East Attica / Attika (Attikí, Attica) / Griechenland

You find additional Attikait specimen at the Geolitho Museum

Collectors Summary

Color blassgrün, blassblau
Streak color blassblau
Hardness (Mohs) 2 - 2.5
Cleavages vollkommen (001)

Chemism

Chemical formula

Ca3Cu2Al2[OH|AsO4]4·2 H2O

Chemical composition

Aluminium, Arsen, Calcium, Kupfer, Sauerstoff, Wasserstoff

Unit weight: 961.0283204 u; Number of atoms in the formula: 41

Info

Empirical formula:

Ca3Cu2Al2[OHAsO4]4·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.84

8

19.51

1.0079470

8.0635760
Oxygen

O

36.63

22

53.66

15.9994300

351.9874600
Aluminium

Al

5.62

2

4.88

26.9815382

53.9630764
Calcium

Ca

12.51

3

7.32

40.0784000

120.2352000
Copper

Cu

13.22

2

4.88

63.5463000

127.0926000
Arsenic

As

31.18

4

9.76

74.9216020

299.6864080

Strunz 9th edition incl. updates

8.DJ.45

8: Phosphate, Arsenate, Vanadate
D: Phosphate, mit weiteren Anionen, mit H2O
J: Mit großen und mittelgroßen [Kationen], (OH, etc.):RO4 = 1:1
45:

Lapis Classification

VII/D.25-031

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
D: Wasserhaltige Phosphate, mit fremden Anionen
25: Mittelgroße und sehr große Kationen: Al-Mg und Ca-Na-K

Classification by Hölzel

8.DM.160

8: PHOSPHATES ARSENATES VANADATES
D: Phosphates (+Anions +Water)
M: P/OH<=1

IMA status

anerkannt 2006

Mineral status

anerkanntes Mineral

Optical Properties

Color

blassgrün, blassblau

Streak color

blassblau

max. Birefringence

0.002
Birefringence chart\! Attikaite title=Birefringence chart Attikaite

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

1.642

RI value β

1.644

RI value γ / ε

1.644

Ri mean

1.643

2V angle

Biaxial (-) 10°

Pleochroism

kein

Crystallography

Cell parameters a (Å)

10.01

Cell parameters b (Å)

8.199

Cell parameters c (Å)

22.78

Cell parameters a/b or c/a

1.221

Cell parameters c/b

2.778

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volumne (ų)

1869.6

X-Ray Powder Diffraction

22.8(100), 11.36(60), 5.01(90), 3.38(50), 2.780(70), 2.682(30), 2.503(50), 2.292(20)
XRD chart Attikaite

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

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

2 - 2.5

VHN (Hardness Vickers)

42 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.2(2) gemessen

3.414 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (001)

Tenacity

flexibel

(Co-)Type locality

(Co-)Type locality

Griechenland/Attika (Attikí, Attica)/East Attica/Lavreotiki/Lavrion (Laurion), Bergbaudistrikt/Agios Konstantinos (Kamariza)/Mercati Minen/Christiana Mine/Christiana Mine Abbau 132

Type material

Fersman Mineralogisches Museum der Russischen Akademie der Wissenschaften, Moskau, Russland

Preface

Associations

Limonit, Jarosit, Konichalcit, Arsenocrandallit, Arsenogoyazit, Olivenit, Philipsbornit, Azurit, Malachit, Karminit, Beudantit, Goethit, Quarz, Allophan

Name from

Attika ist der deutsche Name der Halbinsel beziehungsweise der historischen Landschaft mit dem klassischen Bergbau von Lavrion.

Author (Name, Year)

2007 von Nikita Chukanov auf Vorschlag der Entdecker des Minerals

References

Chukanov, N.V., Pekov, I.V., Zadov, A.E. (2007): Attikaite, Ca3Cu2Al2(AsO4)4(OH)4•2H2O, a new mineral. Proceedings of the Russian Mineralogical Society (Zapiski RMO), 136(2), 17-24.
Mineralien Welt 04/08, Steffen Jahn, Die neuen Mineralien 2007 - 2008

Other languages

German

Attikait

English

Attikaite

Russian

Аттикаит

CNMNC (IMA)-Number

IMA 2006-017

CNMNC symbol

Symbol

Atk

Locations with GPS information