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About VashegyiteHide

Al11(PO4)9(OH)6 · 38H2O
White, light green, light yellow, light brown; colourless in transmitted light
Waxy, Dull
2 - 3
Specific Gravity:
1.93 - 1.99
Crystal System:
Named after its discovery locality, Vashegy, Hungary, now Zelezník, near Szirk, Slovak Republic.
This page provides mineralogical data about Vashegyite.

Classification of VashegyiteHide

Approved, 'Grandfathered' (first described prior to 1959)

D : Phosphates, etc. with additional anions, with H2O
B : With only medium-sized cations, (OH, etc.):RO4< 1:1

12 : (AB)4(XO4)3Zq·xH2O

19 : Phosphates
7 : Phosphates of Al alone

Physical Properties of VashegyiteHide

Waxy, Dull
White, light green, light yellow, light brown; colourless in transmitted light
2 - 3 on Mohs scale
Perfect on {001}
1.93 - 1.99 g/cm3 (Measured)    1.935 g/cm3 (Calculated)

Optical Data of VashegyiteHide

Biaxial (-)
RI values:
nα = 1.470 - 1.479 nβ = 1.477 - 1.488 nγ = 1.482 - 1.490
Measured: 67° to 74°
Max Birefringence:
δ = 0.012
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
relatively weak

Chemical Properties of VashegyiteHide

Al11(PO4)9(OH)6 · 38H2O

Crystallography of VashegyiteHide

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 10.77 Å, b = 14.97 Å, c = 20.62 Å
a:b:c = 0.719 : 1 : 1.377
Unit Cell V:
3,324.50 ų (Calculated from Unit Cell)
Crystals lozenge shaped, flattened on {001}. Forms hemispherical aggregates; commonly porous to compact, massive.
Class may be mm2; Space Group either Pnam or Pna2^1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
9.80 Å(vs)
9.20 Å(vs)
7.24 Å(vs)
6.80 Å(m)
2.90 Å(vs)
2.51 Å(ms)
2.127 Å(ms)

Type Occurrence of VashegyiteHide

Place of Conservation of Type Material:
Type specimen in Budapest destroyed in 1956 during the Soviet invasion. The Natural History Museum, London, England: 1910,101.
Geological Setting of Type Material:
In "boxwork" limonite in the oxidized zone of an iron deposit.
Associated Minerals at Type Locality:

Synonyms of VashegyiteHide

Other Language Names for VashegyiteHide


Common AssociatesHide

EvansiteAl3(PO4)(OH)6 · 6H2O
VarisciteAlPO4 · 2H2O
WavelliteAl3(PO4)2(OH,F)3 · 5H2O
Associated Minerals Based on Photo Data:
7 photos of Vashegyite associated with VolborthiteCu3(V2O7)(OH)2 · 2H2O
4 photos of Vashegyite associated with EvansiteAl3(PO4)(OH)6 · 6H2O
1 photo of Vashegyite associated with Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
1 photo of Vashegyite associated with Bokite(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20 · 7.4H2O
1 photo of Vashegyite associated with VanoxiteV4+4V5+2O13 · 8H2O

Related Minerals - Nickel-Strunz GroupingHide

8.DB.ArangasiteAl2F(PO4)(SO4) · 9H2O Mon. 2/m : P2/b
8.DB.05DiadochiteFe3+2(PO4)(SO4)(OH) · 5H2OAmor.
8.DB.05Pitticite(Fe, AsO4, H2O) (?)Amor.
8.DB.05DestineziteFe3+2(PO4)(SO4)(OH) · 6H2OTric. 1 : P1
8.DB.15SchooneriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2OOrth. mmm (2/m 2/m 2/m) : Pbam
8.DB.20SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2OTric.
8.DB.25MitryaevaiteAl6(PO4)((P,S)O3(OH,O))2F2(OH)2 · 14.5H2OTric.
8.DB.30SanjuaniteAl2(PO4)(SO4)(OH) · 9H2OTric.
8.DB.35SarmientiteFe3+2(AsO4)(SO4)(OH) · 5H2OMon. 2/m : P21/b
8.DB.40BukovskýiteFe3+2(AsO4)(SO4)(OH) · 9H2OTric. 1 : P1
8.DB.45ZýkaiteFe3+4(AsO4)3(SO4)(OH) · 15H2OOrth. 2 2 2 : P2 2 2
8.DB.50GiniiteFe2+Fe3+4(PO4)3(OH)5 · 2H2OMon. 2/m : P2/b
8.DB.55Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2OOrth.
8.DB.60McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2OTric.
8.DB.65GoldquarryiteCuCd2Al3(PO4)4F2(H2O,F)2 · 10H2OTric. 1 : P1
8.DB.70BirchiteCd2Cu2(PO4)2(SO4) · 5H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.DB.75BraithwaiteiteNaCu5(Ti4+Sb5+)(AsO4)4(HAsO4)2O2 · 8H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.7.1BerliniteAlPO4Trig. 3 2 : P31 2 1
19.7.2AugeliteAl2(PO4)(OH)3Mon. 2/m : B2/m
19.7.3TrolleiteAl4(PO4)3(OH)3Mon. 2/m : B2/b
19.7.4SenegaliteAl2(PO4)(OH)(OH)2 · H2OOrth. mm2
19.7.5VarisciteAlPO4 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pbca
19.7.6MetavarisciteAlPO4 · 2H2OMon. 2/m : P21/b
19.7.7BolivariteAl2(PO4)(OH)3 · 4-5H2OAmor.
19.7.8WavelliteAl3(PO4)2(OH,F)3 · 5H2OOrth. mmm (2/m 2/m 2/m)
19.7.9EvansiteAl3(PO4)(OH)6 · 6H2OAmor.
19.7.10VantasseliteAl4(PO4)3(OH)3 · 9H2OOrth.
19.7.11KingiteAl3(PO4)2F2(OH) · 7H2OTric.

Other InformationHide

Readily soluble in 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 VashegyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zimányi (1909) Math. es Term. tud. Ert., 27, 64-67.
Zimányi (1909) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 47: 53.
Wherry (1916) Journal of the Washington Academy of Science: 6: 105.
Schaller (1918) US Geological Survey Mineral Resources, part II: 163.
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 153.
Ulrich (1922) Rozpr. České Ak.: 31: 2.
Clinton (1929) American Mineralogist: 14: 434.
Jahn and Gruner (1933) Mitt. Vogtländ. Ges. Naturfor.: 1, no. 8: 20.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 999.
McConnell, D. (1974) Are vashegyite and kingite hydrous aluminium phyllophosphates with kaolinite-type structures? Mineralogical Magazine: 39: 802–806.
Johan, Z., E. Slansky, and P. Povondra (1983) Vashegyite, a sheet aluminum phosphate: new data. Canadian Mineralogist: 21: 489–498.
Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.: 623.

Internet Links for VashegyiteHide

Localities for VashegyiteHide

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.
  • Western Antarctica
Barczuk A. & Tatur A. 2003: BIOGENIC PHOSPHATE AND SULPHATE MINERALS IN THESOILS OF ANTARCTIC PENINSULA. Mineralogical Society of Poland - Special Papers, vol. 23, pp. 41-43
  • Carinthia
    • Sankt Veit an der Glan District
      • Frauenstein
        • Sonntagsberg
Meixner, H.; Kahler, E.; Laskovic, F. (1962): Einige bemerkenswerte Al-Phosphate aus der Verwitterungszone in einigen österreichischen Eisenerzlagerstätten. Chemie der Erde 22, 436-448.; G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Styria
    • Bruck-Mürzzuschlag District
      • Breitenau am Hochlantsch
        • Hochlantsch
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    • Deutschlandsberg District
      • Schwanberg
        • Glashütten
Exel, R. (1993): Die Mineralien und Erzlagerstätten Österreichs
    • Graz-Umgebung District
      • Übelbach
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Wallonia
    • Namur
      • Anhée
Van Tassel, R. (1985) Minéraux phosphatés secondaires (vashegyite, destinézite, wavellite, crandallite, phosphates de fer) à Haut-le-Wastia, Province de Namur (Belgique). Bulletin de la Société belge de Géologie, 94/1, 19-27.; Anthony, J.W., Bideaux, R.A., Bladh, K.W., Nichols M.C. (2000) Handbook of Mineralogy, Vol. IV.; Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Belgium, 304 pages (in French).
  • Minas Gerais
    • Galiléia
      • Laranjeiras
[MinRec 12:69]
Czech Republic
  • Pardubice Region
    • Pardubice District
Prachař, I.: Současný stav výskytu nerostů ve Chvaleticích. Acta musei Reginaehradecensis, série A: vědy přírodní, 1981, roč. XVI., s. 99-102.
Jirásek, J.: Nález koninckitu u Litošic a jeho srovnání se světovými výskyty. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2005, roč. 13, s. 132-137.
  • Thuringia
    • Saalfeld-Rudolstadt District
      • Saalfeld
        • Garnsdorf
F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26
  • Borsod-Abaúj-Zemplén County
    • Kazincbarcika District
      • Dédestapolcsány
Koch: Minerals of Hungary, 1985
    • Nekézseny
Szakáll & Jánosi: Minerals of Hungary, 1995
  • Sardinia
    • Metropolitan City of Cagliari
      • Villa San Pietro
Orlandi, P. (2011) : Zibaldone di mineralogia italiana 2010 parte seconda. Micro, 3/2011, 98 -100.
    • South Sardinia Province
      • Carbonia
        • Barbusi
Baldoni, E., De Waele, J., Galli, E., Messina, M., Onac, B.P., Sanna, L., Sauro, F., and Villani, M. (2013) Mineralogy and speleogenesis of the Corona ‘e sa Craba quartzite cave (Carbonia, SW Sardinia). Mine Caves, Memorie dell'Istituto Italiano di Speleologia, serie II, 28, 197-210; Sauro, F., De Waele, J., Onac, B.P., Galli, E., Dublyansky, Y., Baldoni, E., and Sanna, L. (2014) Hypogenic speleogenesis in quartzite: the case of Corona 'e sa Craba Cave (SW Sardinia, Italy). Geomorphology, 211, 77-88; Audra, P., De Waele, J., Bentaleb, I., Chroňáková, A., Krištůfek, V., D’Angeli, I. M., Carbone, C., Madonia, G., Vattano, M., Scopelliti, G., Cailhol, D., Vanara, N., Temovski, M., Bigot, J.-Y., Nobécourt, J.-C., Galli, E., Rull, F., and Sanz-Arranz, A. (2019) Guano-related phosphate-rich minerals in European caves. International Journal of Speleology, 48, 1, 75-105.
      • Villaputzu
Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.
  • Fukushima Prefecture
    • Tamura District
Matsubara, S. & Miyawaki, R. (2006) Catalogue of Japanese Minerals (National Science Museum)
  • Kochi Prefecture
    • Agawa District
      • Ino
Matsubara, S. & Miyawaki, R. (2006) Catalogue of Japanese Minerals (National Science Museum)
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
  • Okinawa Prefecture
    • Shimajiri District
      • Daito Islands
Shinichi Kato collection
New Zealand
  • Taranaki Region
    • New Plymouth District
      • New Plymouth
Bannister, F.A., Hutchinson, G.E. (1946) The Identity of Minervite and Palmerite with Taranakite, Mineralogical Magazine, 28, 31-35, March 1947
  • Caraş-Severin
    • Banat Mountains
      • Locva Mts (Locvei Mts)
Onac, B.P., Zaharia, L., Kearns, J. & Veres, D. (2007): Vashegyite from Gaura cu Musca Cave (Locvei Mountains, Romania): a new and rare phosphate occurrence. International J. of Speleology, 35, 67-73.
Slovakia (TL)
  • Banská Bystrica Region
    • Revúca District
      • Sirk
Math. es Term.tud.Ert.(1909) 27, 64-67
    • Rimavská Sobota District
Novák, F. et al. (2003): Koninckit, evansit, vashegyit a volborthit z Kocihy u Rimavské Soboty. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, roč. 11, s. 159-166.
  • Nebraska
    • Cedar Co.
R.M. Joeckel, K.D. Wally, B.J. Ang Clement, P.R. Hanson, J.S. Dillon, S.K. Wilson (2011) Secondary minerals from extrapedogenic per latus acidic weathering environments at geomorphic edges, Eastern Nebraska, USA. CATENA, Volume 85:253-266
    • Harlan Co.
R.M. Joeckel, K.D. Wally, B.J. Ang Clement, P.R. Hanson, J.S. Dillon, S.K. Wilson (2011) Secondary minerals from extrapedogenic per latus acidic weathering environments at geomorphic edges, Eastern Nebraska, USA. CATENA, Volume 85:253-266
  • Nevada
    • Eureka Co.
      • Gibellini Mining District
NBMG Bull 64 Geology and Mineral Resources of Eureka County, Nevada
        • Fish Creek Range
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    • Nye Co.
      • Toquima Range
        • Manhattan Mining District
          • Manhattan
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Bull 99B Geology and Mineral Resources of Northern Nye County, Nevada; USGS Bull 723
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