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Kamarizaite

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Formula:
Fe33+(AsO4)2(OH)3 · 3H2O
System:
Triclinic
Colour:
yellow to beige
Hardness:
3
Name:
Named in 1893 by Karl Heinrich Emil Georg Busz for the type locality.
Isostructural with:
The arsenate analogue of tinticite.
Structurally related to afmite, chemically related to tooeleite.
The higher hydrate when compared to ferrisymplesite. Also chemically similar to kaatialaite, bendadaite, and césarferreiraite.

Visually similar to jarosite and other members of the Jarosite Subgroup.


Structure details (Kolitsch et al., 2016):
- 3 octahedral (O) Fe(Al) sites
- 2 tetrahedral (T) As sites;
- zigzag chains (along [110]) of dimers formed by 2 edge-sharing FeO6 octahedra, that corner-link to another octahedron
- mixed O-T framework formed by corner-linking of chains and tetrahedra
- layering || (001)
- channels along [010].




Classification of Kamarizaite

Approved
Approval Year:
2008
42.12.5.

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
12 : (AB)4(XO4)3Zq·xH2O

Physical Properties of Kamarizaite

Colour:
yellow to beige
Streak:
light yellow
Hardness (Mohs):
3
Cleavage:
None Observed
Density:
3.16(1) g/cm3 (Measured)    3.12 g/cm3 (Calculated)

Optical Data of Kamarizaite

Type:
Biaxial (+)
Comments:
Min RI 1.825 Max RI 1.835

Chemical Properties of Kamarizaite

Formula:
Fe33+(AsO4)2(OH)3 · 3H2O
Elements listed in formula:

Crystallography of Kamarizaite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.671(2) Å, b = 8.040(2) Å, c = 10.180(2) Å
α = 68.31(3)°, β = 75.35(3)°, γ = 63.52(3)°
Ratio:
a:b:c = 0.954 : 1 : 1.266
Unit Cell Volume:
V 519.3 ų
Z:
1
Comment:
Originally assumed to be orthorhombic.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.61 (37)
5.85 (52)
3.947 (100)
3.396 (37)
3.332 (60)
3.245 (34)
3.085 (58)
3.036 (51)

Type Occurrence of Kamarizaite

General Appearance of Type Material:
Fine grained aggregates
Place of Conservation of Type Material:
Mineralogical Collection of the Technische Universitat
Bergakademie Freiberg, Germany (inventory number 82199)

Other Names for Kamarizaite

Name in Other Languages:

Other Information

IR Spectrum:
3552, 3315s, 3115, 1650w, 1620w, 1089, 911s, 888s, 870, 835s, 808s, 614w, 540, 500, 478, 429
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Kamarizaite

Reference List:
Chukanov, N.V., Pekov, I.V., Möckel, S., Mukhanova, A.A., Belakovskiy, D.I., Levitskaya, L.A., Bekenova, G.K. (2009) Kamarizaite Fe3+3(AsO4)2(OH)3 · 3H2O -- a new mineral arsenate analogue of tinticite. Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva: 138(3): 100-108.

Chukanov, N.V., Pekov, I.V., Möckel, S., Mukhanova, A.A., Belakovsky, D.I., Levitskaya, L.A., Bekenova, G.K. (2010) Kamarizaite, Fe33+(AsO4)2(OH)3•3H2O, a new mineral species, arsenate analogue of tinticite. Geology of Ore Deposits: 52: 599-605.

Kolitsch, U., Lengauer, C.L., Giester, G. (2014) Crystal structures and isotypism of the iron arsenate kamarizaite and the iron phosphate tinticite. 92nd Annual Meeting of the DMG, Jena, Germany, September 21-24; abstract in Programme, 257.

Kolitsch, U., Lengauer, C.L., Giester, G. (2016) Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite. European Journal of Mineralogy: 28: 71-81.

Internet Links for Kamarizaite

mindat.org URL:
https://www.mindat.org/min-38696.html
Please feel free to link to this page.

Localities for Kamarizaite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Ébreuil
        • Échassières
Kolitsch, U., Lengauer, C.L. and Giester, G. (2016): Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite. Eur. J. Mineral. 28, 71-81.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
LAPIS 24 (7/8) 1999; Wendel, W. and Markl, G. (1999) Lavrion: Mineralogische Klassiker und Raritäten für Sammler. LAPIS 24 (7/8):34-52
Chukanov, N.V., et al. (2009): Kamarizaite Fe3+3(AsO4)2(OH)3·3H2O -- a new mineral arsenate analogue of tinticite. Zapiski RMO 138(3), 100-108; N. V. Chukanov, I. V. Pekov, S. Möckel, A. A. Mukhanova, D. I. Belakovsky, L. A. Levitskaya und G. K. Bekenova (2010): Kamarizaite, Fe33+(AsO4)2(OH)3•3H2O, a new mineral species, arsenate analogue of tinticite. Geology of Ore Deposits 52, 599-605; U. Kolitsch, C. L. Lengauer and G. Giester (2014): Crystal structures and isotypism of the iron arsenate kamarizaite and the iron phosphate tinticite. 92nd Annual Meeting of the DMG, Jena, Germany, September 21-24; abstract in Programme, 257; Kolitsch, U., Lengauer, C.L. and Giester, G. (2016): Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite. Eur. J. Mineral. 28, 71-81.
            • Hilarion area
Kolitsch, U., Lengauer, C.L. and Giester, G. (2016): Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite. Eur. J. Mineral. 28, 71-81.
Kolitsch, U., Lengauer, C.L. and Giester, G. (2016): Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite. Eur. J. Mineral. 28, 71-81.
Mineral and/or Locality  
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