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Pierre Destinez
Fe23+(PO4)(SO4)(OH) · 6H2O
Yellow, brownish yellow, ...
Dull, Earthy
3 - 4
Named in H. Forir and A. Jorissen in 1880 in honor of Mr. Pierre Destinez [died 7 April 1911 in Liège], a laboratory assistant at the University of Liège, Liège, Belgium. Destinez was a member of the Société Géologique de Belgique as early as 1886 and published a number of articles on paleontological subjects as late as 1904.
Sanjuanite-Destinezite Group.

Destinezite was redefined (IMA Code 00-E) as triclinic Fe2(PO4)(SO4)(OH).6H2O, the crystalline counterpart of the amorphous diadochite.

Structurally related to arangasite.

Classification of Destinezite

Approved, 'Grandfathered' (first described prior to 1959)
Approval Year:

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

Physical Properties of Destinezite

Dull, Earthy
Yellow, brownish yellow, brown, reddish brown, greenish yellow, pale green, pale yellow; pale yellow to yellowish brown in transmitted light
Hardness (Mohs):
3 - 4
2.2 g/cm3 (Measured)    2.33 g/cm3 (Calculated)

Optical Data of Destinezite

Biaxial (+)
RI values:
nα = 1.615 nβ = 1.625 nγ = 1.665
Measured: 55° , Calculated: 56°
Max Birefringence:
δ = 0.050
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:

Chemical Properties of Destinezite

Fe23+(PO4)(SO4)(OH) · 6H2O
Elements listed in formula:

Crystallography of Destinezite

Crystal System:
Class (H-M):
1 - Pinacoidal
Space Group:
Cell Parameters:
a = 9.584 Å, b = 9.748 Å, c = 7.338 Å
α = 93.07°, β = 95.78°, γ = 105.32°
a:b:c = 0.983 : 1 : 0.753
Unit Cell Volume:
V 655.53 ų (Calculated from Unit Cell)
Rarely microcrystalline comprised of six-sided platy crystals.
X-Ray Powder Diffraction Data:
8.77 (90)
8.27 (80)
4.28 (100)
4.08 (70)
3.93 (100)
3.21 (40)
2.94 (80)

Type Occurrence of Destinezite

Relationship of Destinezite to other Species

Other Members of Group:
SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
SarmientiteFe23+(AsO4)(SO4)(OH) · 5H2O
ZýkaiteFe43+(AsO4)3(SO4)(OH) · 15H2O
8.DB.05DiadochiteFe23+(PO4)(SO4)(OH) · 5H2O
8.DB.05Pitticite(Fe, SO4, AsO4, H2O) ?
8.DB.10VashegyiteAl11(PO4)9(OH)6 · 38H2O
8.DB.15SchooneriteZnMn2+Fe22+Fe3+(PO4)3(OH)2 · 9H2O
8.DB.20SinkankasiteMn2+Al(PO3OH)2(OH) · 6H2O
8.DB.25MitryaevaiteAl6(PO4)((P,S)O3(OH,O))2F2(OH)2 · 14.5H2O
8.DB.30SanjuaniteAl2(PO4)(SO4)(OH) · 9H2O
8.DB.35SarmientiteFe23+(AsO4)(SO4)(OH) · 5H2O
8.DB.40BukovskýiteFe23+(AsO4)(SO4)(OH) · 9H2O
8.DB.45ZýkaiteFe43+(AsO4)3(SO4)(OH) · 15H2O
8.DB.50GiniiteFe2+Fe43+(PO4)3(OH)5 · 2H2O
8.DB.55Sasaite(Al,Fe3+)14(PO4)11(SO4)(OH)7 · 83H2O
8.DB.60McauslaniteFe3Al2(PO4)3(PO3OH)F · 18H2O
8.DB.65GoldquarryiteCuCd2Al3(PO4)4F2(H2O,F)2 · 10H2O
8.DB.70BirchiteCd2Cu2(PO4)2(SO4) · 5H2O
8.DB.75BraithwaiteiteNaCu5(Ti4+Sb5+)(AsO4)4(HAsO4)2O2 · 8H2O

Other Names for Destinezite

Name in Other Languages:

Other Information

Other Information:
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 Destinezite

Reference List:
Forir, H. (1880) Note sur la diadochite (destinézite) et la delvauxite. Annales de la Société Géologique de Belgique: 8: 151-154.

Forir, H. (1881) Sur quelques minéraux et fossiles trouvés dans une excursion à Argenteau. Annales de la Société Géologique de Belgique: 7: 115-123 .

Forir, H., Jorissen, A. (1881) Sur quelques minéraux et fossiles trouvés dans une excursion à Argenteau. Bulletin de la Sociètè Belge de Gèologie: 7: 117.

Cesàro, G. (1885) Etude chimique et cristallographique de la destinézite (diadochite de Visé). Annales de la Société géologique de Belgique: 12: 173.

Veselý (1923) Bull. int. ac. Bohême: 23: 177.

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.: 1011-1013.

Acta Univ. Carol., Prague, Geol. (1960): 127-152.

Peacor, D.R., Rouse, R.C., Coskren, T.D., Essene, E.J. (1999) Destinezite ('diadochite'): its crystal structure and role as a soil mineral at Alum Cave Bluff, Tennessee. Clays and Clay Minerals: 47: 1-11.

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. Canadian Mineralogist: 41: 795-802.

Mills, S. J., Kampf, A. R., Dini, M., Molina, A. (2012) Die weltbesten Destinezit-Kristalle und andere seltene Sulfate von Mejillones, Chile. Mineralien-Welt: 23(2): 73–81. (In German)

Internet Links for Destinezite URL:
Please feel free to link to this page.

Localities for Destinezite

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.
  • Styria
    • Leoben
      • Trofaiach
        • Rötzgraben
Brandstätter et al. (2008)
  • Hainaut Province (Henegouwen; Hennegau)
    • Mons
      • Blaton
Hatert, F., Deliens, M., Fransolet, A.-M. & van der Meersche, E. (2002): Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Ed., 304 p.
  • Liège Province
    • Héron
      • Couthuin
Hatert, F., Deliens, M., Fransolet, A.-M. & van der Meersche, E. (2002): Les minéraux de Belgique. 2ème édition, Muséum des Sciences Naturelles, Bruxelles, Ed., 304 p.
    • Visé
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: 1013; American Mineralogist (2000): 85: 266.
  • Namur Province
    • Anhée
Van Tassel, R. (1985). Minéraux phosphates secondaires (vashegyite, destinezite, wavellite, crandallite, phosphate de fer) à Haut-le-Wastia, Province de Namur (Belgique). Bulletin de la Société belge de géologie, 94(1), 19-27.
    • Namur
Blondieau, M. et al. (2012): Minéralogie de la carrière de Beez, Province de Namur (Belgique). Le Règne Minéral, 104, 5-26.
  • Antofagasta Region
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
Some of the Sulphates has been identified and confirmed by Dr Tony Kampf and Dr. Stuart Mills, LAC Musuem, CA, USA
Czech Republic
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Beroun (Beraun)
Vtělenský J. (1959): Mineralogie oolitických železných rud z některých ložisek Barrandienu. Geotechnica, sv. 26, Nakladatelství ČSAV Praha.
    • Pardubice Region
Prachař, I.: Současný stav výskytu nerostů ve Chvaleticích. Acta musei Reginaehradecensis, série A: vědy přírodní, 1981, roč. XVI., s. 99-102.
    • Prague District (Praha District)
      • Hloubětín
Chlupáč, I. (1988): Geologické zajímavosti pražského okolí. 249 pp., Academia. Praha.
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    • Saalfeld
      • Garnsdorf
F. Rüger, L. Senf & T. Witzke: Lapis 1995 (1), 15-26
  • Heves Co.
    • Mátra Mts
      • Parádfürdő
collector: János Nyúl, analyzed by Sándor Szakáll
  • Tuscany
    • Lucca Province
      • Apuan Alps
        • Stazzema
          • Ponte Stazzemese
Orlandi P., Dini A., 2004. Die Mineralien der Buca della Vena-Mine, Apuaner Berge, Toskana (Italien). Lapis, 1: 11-24.
  • Honshu Island
    • Chugoku Region
      • Yamaguchi Prefecture
        • Abu town
Matsubara et al. (1999) Bulletin of the National Science Museum (Tokyo), 25, 51-57.
  • Urals Region
    • Southern Urals
      • Orenburgskaya Oblast'
        • Mednogorsk District
          • Sakmara Zone
German, L. D. (1956). Destinezite in the oxidation zone of the pyrite deposits of Blyava, S. Ural, Zapiski Vserossiiskogo Mineralogicheskogo Obshchestva, 85, 574-577.
  • Bratislava Region
    • Pezinok Co.
      • Pezinok
  • Tennessee
    • Sevier Co.
      • Great Smoky Mountains National Park
American Mineralogist (2000): 85: 266.; Rocks & Min. (2007) 82:235
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