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Bendadaite

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About BendadaiteHide

Formula:
Fe2+Fe3+2(AsO4)2(OH)2 · 4H2O
Colour:
blackish green to dark brownish
Lustre:
Sub-Adamantine, Vitreous
Hardness:
3
Specific Gravity:
3.15
Crystal System:
Monoclinic
Member of:
Name:
Named after the type locality, the Bendada phosphate pegmatite, Bendada Quarries, Sabugal, Guarda District, Portugal.
Isostructural with:
Arthurite Group. The arsenate analogue of Whitmoreite.

The divalent Fe may be partly oxidised.

Chemically related to césarferreiraite.


Classification of BendadaiteHide

Approved
Approval Year:
2007
8.DC.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
42.11.20.6

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O

Physical Properties of BendadaiteHide

Sub-Adamantine, Vitreous
Transparency:
Translucent
Colour:
blackish green to dark brownish
Streak:
greenish yellow
Hardness:
Tenacity:
Brittle
Cleavage:
Distinct/Good
parallel to {010}
Fracture:
Irregular/Uneven
Density:
3.15(10) g/cm3 (Measured)    3.193 g/cm3 (Calculated)

Optical Data of BendadaiteHide

Type:
Biaxial (+)
RI values:
nα = 1.734(3) nβ = 1.759(3) nγ = 1.787(4)
2V:
Measured: 85° (4), Calculated: 88°
Max Birefringence:
δ = 0.053
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Strong
Comments:
X pale reddish brown, Y yellowish brown, Z dark yellowish brown

Chemical Properties of BendadaiteHide

Formula:
Fe2+Fe3+2(AsO4)2(OH)2 · 4H2O

Crystallography of BendadaiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 10.239 Å, b = 9.713 Å, c = 5.552 Å
β = 94.11°
Ratio:
a:b:c = 1.054 : 1 : 0.572
Unit Cell V:
550.73 ų (Calculated from Unit Cell)
Z:
2
Twinning:
None

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.22 Å(100)
7.036 Å(80)
4.833 Å(30)
4.520 Å(50)
3.490 Å(20)
2.907 Å(30)
2.865 Å(40)

Occurrences of BendadaiteHide

Paragenetic Mode(s):

Type Occurrence of BendadaiteHide

General Appearance of Type Material:
tufts (<0.1 mm long) and flattened radiating aggregates
Place of Conservation of Type Material:
Natural History Museum, Vienna, Austria (catalogue number N 8160). The co-type material has been deposited in the Museu
de Geocieˆncias, Instituto de Geocieˆncias, Universidade de Sa˜o Paulo, Brazil (catalogue number DR625).
Geological Setting of Type Material:
Pegmatite
Associated Minerals at Type Locality:
Reference:
U. Kolitsch, D. Atencio, N. V. Chukanov, N. V. Zubkova, L. A. D. Menezes Filho, J. M. V. Coutinho, W. D. Birch, J. Schlüter, D. Pohl, A. R. Kampf, I. M. Steele, G. Favreau, L. Nasdala, S. Möckel, G. Giester and D. Yu. Pushcharovsky (2010): Bendadaite, a new iron arsenate mineral of the arthurite group. Mineral. Mag. 74, 469-486.

Synonyms of BendadaiteHide

Other Language Names for BendadaiteHide

German:Bendadait

Relationship of Bendadaite to other SpeciesHide

Member of:
Other Members of this group:
ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon.
Cobaltarthurite(Co,Mg)Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon.
KunatiteCuFe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon.
UKI-2006-(PO:AlCuFeH)Fe2+Al3+2(PO4)2(OH)2 · 4H2O
UKI-2006-(PO:FeHZn)ZnFe3+2(PO4)2(OH)2 · 4H2OMon.
WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Bendadaite associated with HydroxylherderiteCaBe(PO4)(OH,F)
3 photos of Bendadaite associated with GoyaziteSrAl3(PO4)(PO3OH)(OH)6
3 photos of Bendadaite associated with ArsenopyriteFeAsS
1 photo of Bendadaite associated with Mansfieldite-Scorodite SeriesAlAsO4. 2H2O - Fe2+AsO4. 2H2O

Related Minerals - Nickel-Strunz GroupingHide

8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2OMon.
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2OOrth. 2 2 2 : P21 21 21
8.DC.10LegranditeZn2(AsO4)(OH) · H2OMon. 2/m : P21/b
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2OMon.
8.DC.15ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon.
8.DC.15EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon.
8.DC.15WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15Cobaltarthurite(Co,Mg)Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15KunatiteCuFe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
8.DC.15UKI-2006-(PO:FeHZn)ZnFe3+2(PO4)2(OH)2 · 4H2OMon.
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al3+2(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2OMon.
8.DC.20BermaniteMn2+Mn3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P2/b
8.DC.20CoralloiteMn2+Mn3+2(AsO4)2(OH)2 · 4H2OTric. 1 : P1
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2OMon.
8.DC.25FerristrunziteFe3+Fe3+2(PO4)2(OH)3 · 5H2OTric.
8.DC.25FerrostrunziteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric.
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.25MetavivianiteFe2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.25StrunziteMn2+Fe3+2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.27BerauniteFe2+Fe3+5(PO4)4(OH)5 · 6H2OMon. 2/m : B2/b
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30LaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2OTric.
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30PseudolaueiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OMon. 2/m : P21/b
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2OTric.
8.DC.30StewartiteMn2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30UshkoviteMgFe3+2(PO4)2(OH)2 · 8H2OTric.
8.DC.30FerrolaueiteFe2+Fe3+2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2OTric. 1 : P1
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2OTric. 1 : P1
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2OTric. 1 : P1
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2OTric. 1 : P1
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2OOrth.
8.DC.40CacoxeniteFe3+24AlO6(PO4)17(OH)12 · 75H2OHex. 6/m : P63/m
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2OTric.
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2OTric.
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2OOrth. mmm (2/m 2/m 2/m)
8.DC.50AllanpringiteFe3+3(PO4)2(OH)3 · 5H2OMon. 2/m : P21/m
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2OTric. 1 : P1
8.DC.55MapimiteZn2Fe3+3(AsO4)3(OH)4 · 10H2OMon.
8.DC.57OgdensburgiteCa2Fe3+4(Zn,Mn2+)(AsO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2OOrth. mmm (2/m 2/m 2/m)
8.DC.60CloncurryiteCu0.5(VO)0.5Al2(PO4)2F2 · 5H2OMon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

42.11.20.1WhitmoreiteFe2+Fe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
42.11.20.2ArthuriteCuFe3+2(AsO4)2(OH)2 · 4H2OMon.
42.11.20.3OjuelaiteZnFe3+2(AsO4)2(OH)2 · 4H2OMon.
42.11.20.4EarlshannoniteMn2+Fe3+2(PO4)2(OH)2 · 4H2OMon.
42.11.20.5Cobaltarthurite(Co,Mg)Fe3+2(AsO4)2(OH)2 · 4H2OMon. 2/m : P21/b
42.11.20.7KunatiteCuFe3+2(PO4)2(OH)2 · 4H2OMon. 2/m : P21/b
42.11.20.8UKI-2006-(PO:FeHZn)ZnFe3+2(PO4)2(OH)2 · 4H2OMon.
42.11.20.9UKI-2006-(PO:AlCuFeH)Fe2+Al3+2(PO4)2(OH)2 · 4H2O

Fluorescence of BendadaiteHide

Other InformationHide

Notes:
Bendadaite dissolves in hot dilute HCl or HNO3 but not in cold acids.
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 BendadaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
U. Kolitsch, D. Atencio, N. V. Chukanov, N. V. Zubkova, L. A. D. Menezes Filho, J. M. V. Coutinho, W. D. Birch, J. Schlüter, D. Pohl, A. R. Kampf, I. M. Steele, G. Favreau, L. Nasdala, S. Möckel, G. Giester and D. Yu. Pushcharovsky (2010): Bendadaite, a new iron arsenate mineral of the arthurite group. Mineral. Mag. 74, 469-486.
Sejkora, J., Tvrdý, J., Čejka, J., Vrtiška, L., & Dolníček, Z. (2019). Bendadaite from Krásno near Horní Slavkov (Czech Republic), description and Raman spectroscopy. Bulletin Mineralogie Petrologie, 27(1), 63-71.

Internet Links for BendadaiteHide

Localities for BendadaiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Brazil (TL)
 
  • Minas Gerais
    • Divino das Laranjeiras
      • Linópolis
Kolitsch, U., Atencio, D., Chukanov, N.V., Zubkova, N.V., Menezes Filho, L.A.D., Coutinho, J.M.V., Birch, W.D., Schlüter, J., Pohl, D., Kampf, A.R., Steele, I.M., Favreau, G., Nasdala, L., Möckel, S., Giester, G., Pushcharovsky, D.Yu. (2010) Bendadaite, a new iron arsenate mineral of the arthurite group. Mineralogical Magazine: 74: 469-486.
Chile
 
  • Atacama
    • Copiapó Province
      • Tierra Amarilla
        • Pampa Larga district
U. Kolitsch, D. Atencio, N. V. Chukanov, N. V. Zubkova, L. A. D. Menezes Filho, J. M. V. Coutinho, W. D. Birch, J. Schlüter, D. Pohl, A. R. Kampf, I. M. Steele, G. Favreau, L. Nasdala, S. Möckel, G. Giester and D. Yu. Pushcharovsky (2010): Bendadaite, a new iron arsenate mineral of the arthurite group. Mineralogical Magazine 74, 469-486.
Czech Republic
 
  • Karlovy Vary Region
    • Sokolov District
      • Horní Slavkov
        • Krásno (Schönfeld)
Sejkora, J., Tvrdý, J., Čejka, J., Vrtiška, L., & Dolníček, Z. (2019). Bendadaite from Krásno near Horní Slavkov (Czech Republic), description and Raman spectroscopy. Bulletin Mineralogie Petrologie, 27(1), 63-71.
France
 
  • Nouvelle-Aquitaine
    • Haute-Vienne
      • Razès
        • Chanteloube
          • Vilatte Quarries (La Vilate)
Meisser, N. (2010): Sur la présence de bendadaite à la Villatte-Haute (Monts d'Amabazac, Haute-Vienne), Le Règne Minéral, 94, 40.
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German). [identification announced; no description given yet]
          • Agios Konstantinos [St Constantine] (Kamariza)
            • Kamariza Mines (Kamareza Mines)
Rieck, B., Kolitsch, U., Voudouris, P., Giester, G. and Tzeferis, P. (2018): Weitere Neufunde aus Lavrion, Griechenland. Mineralien-Welt 29 (5), 32-77 (in German).
Rieck, B., Kolitsch, U., Voudouris, P., Giester, G. and Tzeferis, P. (2018): Weitere Neufunde aus Lavrion, Griechenland. Mineralien-Welt 29 (5), 32-77 (in German).
Italy
 
  • Sardinia
    • South Sardinia Province
      • Gonnosfanadiga
        • Fenugu Sibiri Mine
U. Kolitsch, D. Atencio, N. V. Chukanov, N. V. Zubkova, L. A. D. Menezes Filho, J. M. V. Coutinho, W. D. Birch, J. Schlüter, D. Pohl, A. R. Kampf, I. M. Steele, G. Favreau, L. Nasdala, S. Möckel, G. Giester and D. Yu. Pushcharovsky (2010): Bendadaite, a new iron arsenate mineral of the arthurite group. Mineralogical Magazine 74, 469-486. [Blass, G. (2007) EDX + XRD]; Micro No. 3 (2011) 94-97
Japan
 
  • Oita Prefecture
    • Saiki City
Satoshi Matsubara, Ritsuro Miyawaki, Masako Shigeoka, Hidemasa Tajima, Katsuichi Nishida and Yoshiteru Fujiwara (2009): Bendadaite and iron arsenate minerals from the Kiura mine, Oita Prefecture, Japan. 2009 Annual Meeting of Japan Association of Mineralogical Sciences, Abstracts Volume, Abs. R4-06, p. 100.
Masayuki Ohnishi, Norimasa Shimobayashi, Shigetomo Kishi, Mitsuo Tanabe, Shoichi Kobayashi (2013) Talmessite from the Uriya deposit at the Kiura mining area, Oita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 108, No. 2 (April), 116-120.
Morocco
 
  • Drâa-Tafilalet Region
    • Zagora Province
      • Oumlil
U. Kolitsch, D. Atencio, N. V. Chukanov, N. V. Zubkova, L. A. D. Menezes Filho, J. M. V. Coutinho, W. D. Birch, J. Schlüter, D. Pohl, A. R. Kampf, I. M. Steele, G. Favreau, L. Nasdala, S. Möckel, G. Giester and D. Yu. Pushcharovsky (2010): Bendadaite, a new iron arsenate mineral of the arthurite group. Mineralogical Magazine 74, 469-486.
Portugal (TL)
 
  • Guarda
    • Sabugal
      • Bendada
U. Kolitsch, D. Atencio, N. V. Chukanov, N. V. Zubkova, L. A. D. Menezes Filho, J. M. V. Coutinho, W. D. Birch, J. Schlüter, D. Pohl, A. R. Kampf, I. M. Steele, G. Favreau, L. Nasdala, S. Möckel, G. Giester and D. Yu. Pushcharovsky (2010): Bendadaite, a new iron arsenate mineral of the arthurite group. Mineralogical Magazine 74, 469-486.
Spain
 
  • Galicia
    • Pontevedra
      • O Rosal
        • San Miguel de Tabagón
Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp.
 
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