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Phosphohedyphane

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Betpakdala Desert (Bet-Pak-Dal Desert), Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan
© Knut Eldjarn

Show Phosphohedyphane Photos (44)



Formula:
Ca
 
2
Pb
 
3
(PO
 
4
)
 
3
Cl
System:HexagonalColour:Colourless
Hardness:4
Member of:Hedyphane Group > Apatite Supergroup
Name:For its phosphate content and relationship with Hedyphane.
Isostructural with:Hedyphane


Apatite Supergroup. Svabite Subgroup.
The phosphate analogue of Hedyphane. The Pb3Ca2 analogue of Chlorapatite. The Cl analogue of Fluorphosphohedyphane.

Pb and Ca atoms are ordered on two different sites in the crystal structure.

Specimens from numerous localities worldwide have previously been labelled "calcian pyromorphite", and some of them may be identical with this species.

Classification of Phosphohedyphane

IMA status:Approved 2005
Strunz 8th edition ID:7/B.39-135
Nickel-Strunz 10th (pending) edition ID:8.BN.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
N : With only large cations, (OH, etc.):RO4 = 0.33:1
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Type Occurrence of Phosphohedyphane

Type Locality:Capitana Mine, Copiapó Province, Atacama Region, Chile
General Appearance of Type Material:Transparent, colourless, tapering hexagonal prisms, as individuals up to about 0.5 mm in length and 0.1 mm in diameter, commonly doubly terminated; often in subparallel intergrowths and irregular clusters
Place of Conservation of Type Material:Natural History Museum of Los Angeles County
Geological Setting of type material:Secondary mineral in the oxidized zone of a Cu-Pb-Ag deposit
Associated Minerals at type locality:
QuartzDuftiteBayldonite

Physical Properties of Phosphohedyphane

Lustre:Vitreous, Greasy
Diaphaneity (Transparency):Transparent
Colour:Colourless
Streak:White
Hardness (Mohs):4
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Sub-Conchoidal
Density (calculated):5.92 g/cm3

Crystallography of Phosphohedyphane

Crystal System:Hexagonal
Class (H-M):6/m - Dipyramidal
Space Group:P63/m
Cell Parameters:a = 9.857Å, c = 7.13Å
Ratio:a:c = 1 : 0.723
Unit Cell Volume:V 599.9 ų
Z:2
Morphology:Forms observed are {100} and {101} good, {411} poor, and {10.0.1} and {20.0.1} (approx.)
X-Ray Powder Diffraction:
d-spacingIntensity
8.538 (20)
4.054 (60)
3.565 (30)
2.942 (100)
2.882 (30)
2.139 (35)
1.918 (25)
1.890 (25)

Optical Data of Phosphohedyphane

Type:Uniaxial (-)
RI values: nα = 1.935 nε = 1.928
Maximum Birefringence:δ = 1.935

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Phosphohedyphane

Formula:
Ca
 
2
Pb
 
3
(PO
 
4
)
 
3
Cl
Essential elements:Ca, Cl, O, P, Pb
All elements listed in formula:Ca, Cl, O, P, Pb
Analytical Data:Results from electron microprobe analyses of crystal cores and rims. The mineral shows a distinct chemical zonation. From type description.
          Cores    Rims

CaO       (9.24)   (7.76)
PbO      (67.60)  (69.35)
P2O5     (18.40)  (17.00)
As2O5     (2.73)   (3.68)
Cl        (3.32)   (3.22)
–O = Cl  (–0.75)  (–0.73)

sums     100.54   100.28 wt.-%

Relationship of Phosphohedyphane to other Species

Member of:Hedyphane Group > Apatite Supergroup
Other Members of Group:

- +
Aiolosite
Na
 
4
Bi(SO
 
4
)
 
3
Cl
Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
Cesanite
Na
 
3
Ca
 
2
(SO
 
4
)
 
3
(OH)
Fluorphosphohedyphane
Ca
 
2
Pb
 
3
(PO
 
4
)
 
3
F
Hedyphane
Pb
 
3
Ca
 
2
(AsO
 
4
)
 
3
Cl
Morelandite
Ca
 
2
Ba
 
3
(AsO
 
4
)
 
3
Cl
Related Minerals - Nickel-Strunz Grouping):

- +
8.BN.05Alforsite
Ba
 
5
(PO
 
4
)
 
3
Cl
8.BN.05Belovite-(Ce)
NaCeSr
 
3
(PO
 
4
)
 
3
F
8.BN.05Carbonate-rich Fluorapatite
Ca
 
5
(PO
 
4
,CO
 
3
)
 
3
(F,O)
8.BN.05Carbonate-rich Hydroxylapatite
Ca
 
5
(PO
 
4
,CO
 
3
)
 
3
(OH,O)
8.BN.05Chlorapatite
Ca
 
5
(PO
 
4
)
 
3
Cl
8.BN.05Mimetite-M
Pb
 
5
(AsO
 
4
)
 
3
Cl
8.BN.05Johnbaumite-M
Ca
 
5
(AsO
 
4
)
 
3
OH
8.BN.05Fluorapatite
Ca
 
5
(PO
 
4
)
 
3
F
8.BN.05Hedyphane
Pb
 
3
Ca
 
2
(AsO
 
4
)
 
3
Cl
8.BN.05Hydroxylapatite
Ca
 
5
(PO
 
4
)
 
3
(OH)
8.BN.05Johnbaumite
Ca
 
5
(AsO
 
4
)
 
3
OH
8.BN.05Mimetite
Pb
 
5
(AsO
 
4
)
 
3
Cl
8.BN.05Morelandite
Ca
 
2
Ba
 
3
(AsO
 
4
)
 
3
Cl
8.BN.05Pyromorphite
Pb
 
5
(PO
 
4
)
 
3
Cl
8.BN.05Fluorstrophite
SrCaSr
 
3
(PO
 
4
)
 
3
F
8.BN.05Svabite
Ca
 
5
(AsO
 
4
)
 
3
F
8.BN.05Turneaureite
Ca
 
5
(AsO
 
4
)
 
3
Cl
8.BN.05Vanadinite
Pb
 
5
(VO
 
4
)
 
3
Cl
8.BN.05Belovite-(La)
NaLaSr
 
3
(PO
 
4
)
 
3
F
8.BN.05Deloneite
(Na
 
0.5
REE
 
0.25
Ca
 
0.25
)(Ca
 
0.75
REE
 
0.25
)Sr
 
1.5
(CaNa
 
0.25
REE
 
0.25
)(PO
 
4
)
 
3
F
 
0.5
(OH)
 
0.5
8.BN.05Fluorcaphite
SrCaCa
 
3
(PO
 
4
)
 
3
F
8.BN.05Kuannersuite-(Ce)
NaCeBa
 
3
(PO
 
4
)
 
3
F
 
0.5
Cl
 
0.5
8.BN.05Hydroxylapatite-M
Ca
 
5
(PO
 
4
)
 
3
OH
8.BN.05Stronadelphite
Sr
 
5
(PO
 
4
)
 
3
F
8.BN.05Fluorphosphohedyphane
Ca
 
2
Pb
 
3
(PO
 
4
)
 
3
F
8.BN.05Miyahisaite
(Sr,Ca)
 
2
Ba
 
3
(PO
 
4
)
 
3
F
8.BN.10Arctite
Na
 
2
Ca
 
4
(PO
 
4
)
 
3
F

Other Names for Phosphohedyphane

Synonyms:
IMA2005-026Polysphaerite
Other Languages:
German:Phosphohedyphan
Japanese:燐ヘディフェン

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Phosphohedyphane

Reference List:

- +
Kampf, A.R., I.M. Steele, and R.A. Jenkins (2006): "Phosphohedyphane, the phosphate analog of hedyphane: Description and crystal structure": Am. Mineral. 91: 1909-1917.

Birch, W. D. & Mills, S. J. (2007) Sulphide–carbonate reaction in recrystallised limestone at Lilydale, Victoria, Australia: a new occurrence of phosphohedyphane, Australian Journal of Mineralogy, 13(2), 73–82.

Internet Links for Phosphohedyphane

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  • Raman and XRD data at RRUFF project
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    • Localities for Phosphohedyphane

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? 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.
    Australia
     
    • New South Wales
      • Yancowinna Co.
    		Am.Min. 91, 1909-1917(2006)
    • Northern Territory
      • Tennant Inlier
    		Am.Min. 91, 1909-1917(2006)
    • Victoria
      • Lilydale
    		Birch, W. D. & Mills, S. J. (2007) Sulphide–carbonate reaction in recrystallised limestone at Lilydale, Victoria, Australia: a new occurrence of phosphohedyphane, Australian Journal of Mineralogy, 13(2), 73–82.
    Chile
     
    • Atacama Region
      • Copiapó Province
    		Am.Min. 91, 1909-1917(2006)
        • Tierra Amarilla
          • Pampa Larga district
    		Yang, H., Jenkins, R.A., Downs, R.T., Evans, S.H., Tait, K.T. (2011): Rruffite, Ca2Cu(AsO4)2·2H2O,a new member of the roselite group, from Tierra Amarilla, Chile. Canadian Mineralogist, 49, 877-884
    China
     
    • Guangdong Province
      • Yunfu Prefecture
        • Luoding Co.
    		Cuitian Qiu (1983): Acta Mineralogica Sinica 3(2), 148-152
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Příbram
          • Slivice
    		Sejkora, J., Litochleb, J., Strnad, J., Kubica, J.: Supergenní mineralizace slivického pásma (žíla Karel) jv. od Příbrami, Česká republika. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2008, vol. 16, 1, 1-10.
    France
     
    • Rhône-Alpes
      • Rhône
        • Beaujeu
          • Chenelette
    		Am.Min. 91, 1909-1917(2006)
    Italy
     
    • Sardinia
      • Carbonia-Iglesias Province
        • Domusnovas
          • Oridda
    		Orlandi, P. (2011): Zibaldone di mineralogia italiana 2010. Micro, 1/2011, 39 - 42.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Gunma Prefecture
          • Numata City
    		Hirama, T, Yamada, T., Shiobara, Y., Nakamura, H., Kosuge, Y., Fujiwara, T.: "Pb-containing apatite supergroup minerals from Numata City, Gunma Prefecture, Japan."
    Kazakhstan
     
    • Karagandy Province (Qaragandy Oblysy; Karaganda Oblast')
      • Balkhash (Balqash; Karatas; Prebalkhashie) Region
    		Pavel M. Kartashov data
    Russia
     
    • Urals Region
      • Middle Urals
        • Sverdlovskaya Oblast'
          • Ekaterinburg (Sverdlovsk)
            • Berezovskii (Berezovskii Zavod)
    		Am.Min. 91, 1909-1917(2006)
    Spain
     
    • Andalusia
      • Granada
        • Albuñuelas
    		Analysis made by César Menor Salván of specimens recently collected by himself
    • Castile-La Mancha
      • Toledo
        • Madridejos
          • Cerro de Pichita in La Perdiguera
    		Menor, César (2010): Mineralogía de Pb-Zn en Madridejos (Toledo). Rev. Acopios vol.1. pp. 53-67.
          • Cerros de La Perdiguera
    		Menor, César (2010): Mineralogía de Pb-Zn en Madridejos (Toledo). Rev. Acopios vol.1. pp. 53-67.
    Menor, César (2010): Mineralogía de Pb-Zn en Madridejos (Toledo). Rev. Acopios vol.1. pp. 53-67.
    Tunisia
     
    • Siliana Governorate
      • Siliana
        • Djebel Sekarna
    		Dill, Weiss, Botz, Dohrmann, Paleontological, mineralogical and chemical studies of syngenetic and epigenetic Pb–Zn–Ba–P mineralizations at the stratotype of the K/P boundary, International Journal of Earth Sciences, Feb 2010.
    UK
     
    • England
      • Cornwall
        • Liskeard District
          • Menheniot
    		Tony Aldworth Collection/Chris Jewson Collection
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Roughton Gill
    		Journal of The Russell Society, Volume11, 2008
      • Derbyshire
        • Whitwell
    		Peter Briscoe collection
    • Scotland
      • Dumfries & Galloway (Dumfries-shire)
        • Wanlockhead
          • Wanlock Dod-Whytes Cleuch
    		Manchester University Museum, S.Rust collection
          • Whytes Cleuch
    		Steve Rust
    Steve Rust
    USA
     
    • Arizona
      • Cochise Co.
        • Dragoon Mts
          • Johnny Lyon Hills
            • Tres Alamos Wash
    		Robert Jenkins Raman Spectroscopy
        • Huachuca Mts
          • Hartford District (Huachuca Mountains District)
            • Carr Canyon
    		"The Accidental Pocket" talk presented by Robert E. Walstrom at 2012 NCMA meeting.
        • Tombstone Hills
          • Tombstone District
    		Rob Bowell, lab tested
      • Gila Co.
        • Dripping Spring Mts
          • Banner District
            • Christmas area
              • Christmas
    		Raman analyzed at the University of Arizona.
      • Maricopa Co.
        • Big Horn Mts
          • Osborn District
            • Tonopah
              • Belmont Mountain
    		Am.Min. 91, 1909-1917(2006)
      • Pinal Co.
        • Mammoth District
          • Tiger
            • St. Anthony deposit
    		Am.Min. 91, 1909-1917(2006)
      • Santa Cruz Co.
        • Patagonia Mts
          • Harshaw District
            • Harshaw
              • Hardshell Gulch
    		Am.Min. 91, 1909-1917(2006)
    • California
      • Inyo Co.
        • Inyo Mts (Inyo Range)
          • Manzanar Station area
    		Adams, Paul (2010) The Brown Monster and Reward Mines Inyo County, California. Mineralogical Record 41:175-193.
      • San Bernardino Co.
        • Baker
          • Otto Mountain
    		Collected by and in the collection of Brent Thorne.
    Joe Marty specimens
    Collected by and in the collection of Brent Thorne.
    Collected by and in the collection of Brent Thorne.
    • Nevada
      • Clark Co.
        • Goodsprings District
    		Am.Min. 91, 1909-1917(2006)
    Am.Min. 91, 1909-1917(2006)
    Am.Min. 91, 1909-1917(2006)
    Am.Min. 91, 1909-1917(2006)
    Rocks & Minerals 83:1 pp 65-69
    Collected by and in the collection of Brent Thorne.
      • Humboldt Co.
        • Iron Point District
          • Valmy
    		Am.Min. 91, 1909-1917(2006)
    Mineral and/or Locality
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