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Anapaite

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Formula:
Ca2Fe2+(PO4)2 · 4H2O
System:
Triclinic
Colour:
Green, greenish-white, ...
Lustre:
Sub-Vitreous, Resinous, Waxy, Greasy
Hardness:
Name:
Named by Arthur Sachs in 1902 for the type locality at Anapa, Taman Peninsula, Russia.
This page provides mineralogical data about Anapaite.

Classification of Anapaite

Approved, 'Grandfathered' (first described prior to 1959)
8.CH.10

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
H : With large and medium-sized cations, RO4:H2O < 1:1
40.2.1.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
19.14.14

19 : Phosphates
14 : Phosphates of Fe and other metals
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Type Occurrence of Anapaite

Geological Setting of Type Material:
In oolitic iron ore, and in the stems of fossil trees

Occurrences of Anapaite

Geological Setting:
in lacustrine sediments. Occasionally in late-stage phosphate mineralization in granite pegmatite

Physical Properties of Anapaite

Sub-Vitreous, Resinous, Waxy, Greasy
Diaphaneity (Transparency):
Transparent
Colour:
Green, greenish-white, milky white, colorless; colourless to light green in transmitted light.
Streak:
White
Hardness (Mohs):
Tenacity:
Flexible
Cleavage:
Perfect
On {001}, perfect; on {010}, distinct.
Density:
2.81 g/cm3 (Measured)    2.81 g/cm3 (Calculated)

Crystallography of Anapaite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Space Group Setting:
P1
Cell Parameters:
a = 6.447Å, b = 6.816Å, c = 5.898Å
α = 101.64°, β = 104.24°, γ = 70.76°
Ratio:
a:b:c = 0.946 : 1 : 0.865
Unit Cell Volume:
V 235.11 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Crystals are tabular to bladed on {110}, modified by {001}, {010}, {100}, {111}, {111}, {011}, to 1 cm. Commonly in rosettes and subparallel aggregates and crusts of crystals; fibrous, and in nodules.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.39 (35)
4.551 (35)
3.764 (100)
3.24 (40)
3.188 (45)
3.158 (70)
2.883 (75)
Comments:
ICDD 34-148

Optical Data of Anapaite

Type:
Biaxial (+)
RI values:
nα = 1.602 nβ = 1.613 nγ = 1.649
2V:
Measured: 52° to 56°, Calculated: 60°
Birefringence:
0.037
Max Birefringence:
δ = 0.047
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v marked
Optical Extinction:
X (-119°, 81°); Y (147°, 70°), Z (-6°, 21°)
Pleochroism:
Not Visible

Chemical Properties of Anapaite

Formula:
Ca2Fe2+(PO4)2 · 4H2O
All elements listed in formula:

Relationship of Anapaite to other Species

Common Associates:
8.CH.05WalentaiteH(Ca,Mn2+,Fe2+)Fe33+(AsO4,PO4)4 · 7H2O
8.CH.15PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2O
8.CH.20Dittmarite(NH4)Mg(PO4) · H2O
8.CH.20Niahite(NH4)(Mn2+,Mg)(PO4) · H2O
8.CH.25FrancoanelliteK3Al5(PO4)2(HPO4)3 · 12H2O
8.CH.25Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2O
8.CH.30Schertelite(NH4)2MgH2(PO4)2 · 4H2O
8.CH.35Hannayite(NH4)2Mg3H4(PO4)4 · 8H2O
8.CH.40Struvite(NH4)Mg(PO4) · 6H2O
8.CH.40Struvite-(K)KMg(PO4)·6H2O
8.CH.40HazeniteKNaMg2(PO4)2 · 14H2O
8.CH.45Rimkorolgite(Mg,Mn)5(Ba,Sr,Ca)(PO4)4 · 8H2O
8.CH.50BakhchisaraitseviteNa2Mg5(PO4)4 · 7H2O
8.CH.55FahleiteCaZn5Fe23+(AsO4)6 · 14H2O
8.CH.55SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
8.CH.60Barahonaite-(Al)(Ca,Cu,Na,Fe3+,Al)12Al2(AsO4)8(OH,Cl)x · nH2O
8.CH.60Barahonaite-(Fe)(Ca,Cu,Na,Fe3+,Al)12Fe23+(AsO4)8(OH,Cl)x · nH2O
19.14.1CyriloviteNaFe33+(PO4)2(OH)4 · 2H2O
19.14.2KidwelliteNaFe3+9+x(PO4)6(OH)11 · 3H2O, x = 0.33
19.14.3Rosemaryite(Na,Ca,Mn)(Mn,Fe2+)(Fe3+,Mg)Al(PO4)3
19.14.4Wyllieite(Na,Ca,Mn)(Mn,Fe)(Fe,Mg)Al(PO4)3
19.14.5Ferrowyllieite(Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3
19.14.6NatrodufréniteNaFe2+Fe53+(PO4)4(OH)6 · 2H2O
19.14.7LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
19.14.8Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O
19.14.9BurangaiteNaFe2+Al5(PO4)4(OH)6 · 2H2O
19.14.10Satterlyite(Fe2+,Mg,Fe)12(PO4)5(PO3OH)(OH,O)6
19.14.11UshkoviteMgFe23+(PO4)2(OH)2 · 8H2O
19.14.12Garyansellite(Mg,Fe)3(PO4)2(OH,O) · 1.5H2O
19.14.13ThadeuiteCa(Mg,Fe2+)3(PO4)2(OH,F)2
19.14.15XanthoxeniteCa4Fe23+(PO4)4(OH)2 · 3H2O
19.14.16CalcioferriteCa2Fe23+(PO4)3(OH) · 7H2O
19.14.17MitridatiteCa2Fe33+(PO4)3O2 · 3H2O
19.14.18MélonjosephiteCaFe2+Fe3+(PO4)2(OH)
19.14.19DelvauxiteCaFe4(PO4,SO4)2(OH)8 · 4-6H2O not confirmed ·
19.14.20CollinsiteCa2(Mg,Fe2+)(PO4)2 · 2H2O
19.14.21SegeleriteCa2 Mg2 Fe23+(PO4)4(OH)2 · 8H2O
19.14.22KingsmountiteCa4(Fe2+,Mn2+)Al4(PO4)6(OH)4 · 12H2O
19.14.23VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
19.14.24MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
19.14.25ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
19.14.26SigloiteFe3+Al2(PO4)2(OH)3 · 7H2O
19.14.27CacoxeniteFe243+Al(PO4)17O6(OH)12 · 17H2O
19.14.28KoninckiteFe3+PO4 · 3H2O
19.14.29Lazulite(Mg,Fe2+)Al2(PO4)2(OH)2
19.14.30ScorzaliteFe2+Al2(PO4)2(OH)2
19.14.31Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
19.14.32Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
19.14.33ZaïriteBiFe33+(PO4)2(OH)6

Other Names for Anapaite

Name in Other Languages:
German:Anapait
Spanish:Anapaita

Other Information

Other Information:
Readily soluble in HCl and HNO3.
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 Anapaite

Reference List:
Popoff (1902) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 37: 267. [as Tamanit]

Sachs, A. (1902) Über Anapait, ein neues Kalkeisenphosphat von Anapa am Schwarzen Meere. Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften: 1902: 18-21.

Loczka, J. (1903) Chemische Analyse des Anapaït. Zeitschrift für Kristallographie: 37: 438-441.

Popoff (1910) Academy of Science of St. Petersburg, Museum of Geology, Trav.: 4: 49.

Palache, C. (1933) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 86: 280.

Chukhrov (1937) Transactions of the Lomonosoff Institute, Academy of Sciences, U.S.S.R., no. 10: 131.

Wolfe, C.W. (1940) Classification of minerals of the type A3(XO4)2·nH2O (concluded). American Mineralogist: 25: 787-809.

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.: 731-732.

Rumanova, I.M., Znamenskaya, M.N. (1961) The crystal structure of anapaite. Soviet Physics - Crystallography: 5: 650-658.

Catti, M., Ferraris, G., Ivaldi, G. (1979) Refinement of the crystal structure of anapaite, Ca2Fe(PO4)2·4H2O: hydrogen bonding and relationships with the bihydrated phase. Bulletin de Minéralogie: 102: 314-318.

Internet Links for Anapaite

Specimens:
The following Anapaite specimens are currently listed for sale on minfind.com.

Localities for Anapaite

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.
Bulgaria
 
Kunov, A. (2004) The Phosphate Minerals on Bulgaria-distribution and Genesis. Bulgarian Geological Society, Annual Scientific Conference “Geology 2004”
China
 
  • Fujian Province
    • Nanping Prefecture
      • Yanping District
        • Nanping pegmatite field (Xikeng pegmatite field)
Rao, C., Wang, R. C., Hatert, F., & Baijot, M. (2014). Hydrothermal transformations of triphylite from the Nanping No. 31 pegmatite dyke, southeastern China. European Journal of Mineralogy, 26(1), 179-188.
Germany
 
  • Bavaria
    • Franconia
      • Rhön
        • Bischofsheim
          • Sondheim
Weiss: "Mineralfundstellen, Deutschland West", 1990
  • Hesse
    • Darmstadt
      • Messel
Aufschluss 1980(6), 192-204
Aufschluss 1980(6), 192-204
  • Saxony
    • Erzgebirge
      • Ehrenfriedersdorf
Thomas, R., and Webster, J.D. (2000): Mineralium Deposita 35, 570-582.
Greece
 
  • Thessalia Department (Thessaly)
    • Larissa
M.G. Stamatakis, N.K. Koukouzas (2001) The occurrence of phosphate minerals in lacustrine clayey diatomite deposits, Thessaly, Central Greece. Sedimentary Geology 139:33-47.
Italy
 
  • Tuscany
    • Arezzo Province
      • Valdarno (Val d'Arno)
        • Cavriglia
          • Santa Barbara lignite District
No reference listed
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
Cipriani N., Malesani P., Vannucci S. (1974) - L'anapaite della miniera di lignite della S. Barbara. Periodico di mineralogia – Roma pp. 663-671 and Mineralogical Record, 25 (4), 293-299.; Corazza, M., Pratesi, G., & Braga, R. (1994). Minerals of the upper Arno River valley. Mineralogical Record, 25(4), 293.
Leo Pasquini (1980) - Vivianite di S. Giovanni Valdarno - Rivista Mineralogica Italiana, Fasc. 2, Milano
    • Florence & Arezzo Provinces
Malawi
 
http://www.uoguelph.ca/~geology/rocks_for_crops/35malawi.PDF
New Zealand
 
  • South Island
    • Clutha-Central Otago
      • Cromwell
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
Russia (TL)
 
  • Krasnodarskiy Kray
    • Taman Peninsula
      • Anapa
Nikita Vladimirovich Chukanov (2005) Kerch Iron-Ore Basin. Mineralogical Almanac vol 8, 112pp.; Loczka, J. (1903) Chemische Analyse des Anapaït. Zeitschrift für Kristallographie: 37: 438-441.
Spain
 
  • Catalonia
    • Lleida (Lérida)
      • Cerdanya
De las Heras, X., Grimalt, J. O., Albaiges, J., Julia, R., & Anadon, P. (1989). Origin and diagenesis of the organic matter in Miocene freshwater lacustrine phosphates (Cerdanya Basin, Eastern Pyrenees). Organic geochemistry, 14(6), 667-677.; Bech i Borràs, J., & Vallejo, V. R. (1977). Contribución al conocimiento de la anapaita de la Cerdanya. Acta Geologica Hispanica, 1977, vol. XII, num. 4-6, p. 113-116.
Rosell, J. (2014): "Barita en els nòduls d'anapaïta de la Cerdanya catalana. INFOMINER, 60. Edita Grup Mineralògic Català, Barcelona."
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: 732.
Ukraine
 
  • Crimea Oblast'
    • Crimea peninsula
      • Kerch peninsula (Kertch peninsula)
        • Kerchenskyi (Fe)-ore basin
          • Kerchenskoe deposit
            • Eltigen-Ortel' Trough
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: 732.
Arbuzov V.A. et al. (1967) Kerch Iron-Ore Basin (Kerchenskii Zhelezorydny Bassein)/ - Moscow:Nedra. - 576 h/ (Rus.)
Pavel M. Kartashov data; Chukanov Nikita V. (2005) Minerals of the Kerch iron0ore basin in Eastern Crimea. - Mineralogical Almanac, vol.8, 109 p.
        • Novoselovka Village area
Shnykov E.F. at al.(1971) Mud Volcanism and Ore Formation (Gryazevoi Vulkanizm i Rudoobrazovanie). Kiev:Naukova Dumka. 332 p. (Rus.)
USA
 
  • California
    • Kings Co.
      • Corcoran
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: 732; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 72; Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000.
  • Nevada
    • Lyon Co.
      • Singatse Range
        • Yerington District
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 4, 2000
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Hampshire
    • Grafton Co.
      • Groton
No reference listed
Mineral and/or Locality  
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