Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Attikaite

Big Photo

Christiana Mine, Kamareza Mines, Agios Konstantinos [St Constantine] (Kamareza; Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
© Stephan Wolfsried

Show Attikaite Photos (6)
Formula:
Ca
 
3
Cu
 
2
Al
 
2
[AsO
 
4
]
 
4
(OH)
 
4
 · 2H
 
2
O
System:OrthorhombicColour:light blue, greenish blue
Hardness:2½ - 3
Name:Named for the old Greek region of Attika and the Attiki Prefecture, respectively, in which the Lavrion District is situated.
This page provides mineralogical data about Attikaite.

Classification of Attikaite

IMA status:Approved 2006
Nickel-Strunz 10th (pending) edition ID:8.DJ.45

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
J : With large and medium-sized cations, (OH, etc.):RO4 = 1:1
Dana 8th edition ID:42.9.10.

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
mindat.org URL:http://www.mindat.org/min-30778.html
Please feel free to link to this page.

Type Occurrence of Attikaite

Type Locality:Christiana Mine, Kamareza Mines, Agios Konstantinos [St Constantine] (Kamareza; Kamariza), Lavrion District Mines, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
General Appearance of Type Material:sparsely scattered, minute botryoids of pale green aggregates, comprised of submicroscopic, intergrown needles
Place of Conservation of Type Material:Fersman Mineralogical Museum of the Russian Academy of Science, Moscow, Russia
Associated Minerals at type locality:
QuartzPhilipsborniteOliveniteMalachiteJarosite
GoethiteConichalciteCarminiteBeudantiteAzurite
ArsenogoyaziteArsenocrandalliteAllophane

Physical Properties of Attikaite

Colour:light blue, greenish blue
Streak:pale blue
Hardness (Mohs):2½ - 3
Hardness Data:Measured
Cleavage:Perfect
mica-like on {001}
Density (measured):3.2(2) g/cm3
Comment:by heavy liquids

Crystallography of Attikaite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pban (P2/b 2/a 2/n)
Cell Parameters:a = 10.01Å, b = 8.199Å, c = 22.78Å
Ratio:a:b:c = 1.221 : 1 : 2.778
Unit Cell Volume:V 1,869.60 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
22.8 (100)
11.36 (60)
5.01 (90)
2.780 (70)
2.682 (30)
2.503 (50)

Optical Data of Attikaite

Type:Biaxial (-)
RI values: nα = 1.642(2) nβ = 1.644(2) nγ = 1.644(2)
2V:Measured: 10° (8)
Maximum Birefringence:δ = 0.002

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Attikaite

Formula:
Ca
 
3
Cu
 
2
Al
 
2
[AsO
 
4
]
 
4
(OH)
 
4
 · 2H
 
2
O
All elements listed in formula:Al, As, Ca, Cu, H, O

Relationship of Attikaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DJ.05Johnwalkite
K(Mn
2+
 
,Fe
2+
 
,Fe
3+
 
)
 
2
(Nb
5+
 
,Ta
5+
 
)[O|PO
 
4
]
 
2
 · 2(H
 
2
O,OH)
8.DJ.05Olmsteadite
KFe
2+
2
(Nb
5+
 
,Ta
5+
 
)[O|PO
 
4
]
 
2
 · 2H
 
2
O
8.DJ.10Gatumbaite
CaAl
 
2
[OH|PO
 
4
]
 
2
 · H
 
2
O
8.DJ.15Camgasite
CaMg[OH|AsO
 
4
] · 5H
 
2
O
8.DJ.20Phosphofibrite
KCuFe
3+
15
(PO
 
4
]
 
12
(OH)
 
12
 · 12H
 
2
O ?
8.DJ.20Meurigite-K
[K(H
 
2
O)
 
2.5
][Fe
3+
8
(PO
 
4
)
 
6
(OH)
 
7
(H
 
2
O)
 
4
]
8.DJ.20IMA 2007-024
[Na(H
 
2
O)
 
2.5
][Fe
3+
8
(PO
 
4
)
 
6
(OH)
 
7
(H
 
2
O)
 
4
]
8.DJ.25Jungite
Ca
 
2
Zn
 
4
Fe
3+
8
[OH|PO
 
4
]
 
9
 · 16H
 
2
O
8.DJ.30Wycheproofite
NaAlZr[OH|PO
 
4
]
 
2
 · H
 
2
O
8.DJ.35Ercitite
NaMn
3+
 
(PO
 
4
)(OH)·2H
 
2
O
8.DJ.40Mrázekite
Bi
 
2
Cu
 
3
[O|OH|PO
 
4
]
 
2
 · H
 
2
O

Other Names for Attikaite

Synonyms:
IMA2006-017
Other Languages:
German:Attikait

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Attikaite

Reference List: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.

Chukanov, N.V., Pekov, I.V., Zadov, A.E. (2007): Attikaite, Ca3Cu2Al2(AsO4)4(OH)4•2H2O, a new mineral species. Geology of Ore Deposits, 49(8), 720-726. [ENGLISH TRANSLATION]

Articles/Blogs about Attikaite

Internet Links for Attikaite

Search Engines:
  • Look for Attikaite on Google
  • Look for Attikaite images on Google
    • External Links:
  • Look for Attikaite on Webmineral
  • Look for Attikaite on Athena Mineralogy
  • Look for Attikaite on Wikipedia
  • Look for Attikaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Attikaite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Find Attikaite on www.crystalclassics.co.uk
  • Buy Minerals and Crystals from Crystalarium.com
  • rare and unusual minerals mainly crystallized
  • Buy from David K Joyce minerals
  • Fine Minerals from Dan Weinrich Minerals
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Lapis Mineral Magazin
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Search for Attikaite on minvision.com
  • Fabre Minerals - search for Attikaite specimens
  • Top quality minerals from Kristalle of California
  • Buy minerals from Mineralium.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Attikaite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Agios Konstantinos [St Constantine] (Kamareza; Kamariza)
            • Kamareza Mines
    		ZRMO 136(2),17-24(2007)
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.