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Kapundaite

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Formula:
NaCaFe
 
4
(PO
 
4
)
 
4
(OH)
 
3
· 5H
 
2
O
System:TriclinicColour:pale to golden yellow
Hardness:3
Name:
Named for the type locality.


Structurally related to mélonjosephite.

Classification of Kapundaite

IMA status:Approved 2009
Dana 8th edition ID:42.11.28.

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

Type Locality:Tom's quarry (Tom's Phosphate quarry; Clutterbuck Bros; PM 315; Sobey; BHP; ML 4993), Kapunda, North Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia
Year of Discovery:1980
Associated Minerals at type locality:
NatrodufréniteMeurigite-NaLeucophosphite

Physical Properties of Kapundaite

Lustre:Silky
Diaphaneity (Transparency):Transparent, Translucent
Colour:pale to golden yellow
Streak:yellow
Hardness (Mohs):3
Hardness Data:Estimated
Cleavage:None Observed
Density (measured):2.93(3) g/cm3
Density (calculated):2.917 g/cm3

Crystallography of Kapundaite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 6.317(5) Å, b = 7.698(6) Å, c = 9.768(7) Å
α = 105.53(1)°, β = 99.24(2)°, γ = 90.09(2)°
Ratio:a:b:c = 0.821 : 1 : 1.269
Unit Cell Volume:V 451.2 ų
Z:1
X-Ray Powder Diffraction:
d-spacingIntensity
9.338(100)
7.442(37)
5.173(52)
3.828(45)
3.123(34)
2.817(33)
2.753(64)
2.417(48)

Optical Data of Kapundaite

Type:Uniaxial (+)
RI values: nα = 1.717(3) nβ = 1.737(3) nγ = 1.790(3)
2V:Calculated: 64.7°
Maximum Birefringence:δ = 0.073

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Optical Extinction:X = nearly colorless, Y = light brown, Z = pale brown; absorption: Y > Z > X.

Chemical Properties of Kapundaite

Formula:
NaCaFe
 
4
(PO
 
4
)
 
4
(OH)
 
3
· 5H
 
2
O
Essential elements:Ca, Fe, H, Na, O, P
All elements listed in formula:Ca, Fe, H, Na, O, P

Other Names for Kapundaite

Synonyms:
IMA2009-047
Other Languages:

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 Kapundaite

Reference List:

- +
Mills, S.J., Birch, W.D., Kampf, A.R., Christy, A.G., Pluth, J.J., Pring, A., Raudsepp, M., Chen, Yu-S. (2010): Kapundaite, a new phosphate species from Toms quarry, South Australia: description and structural relationship to mélonjosephite. American Mineralogist, 95, 754-760.

Internet Links for Kapundaite

Search Engines:
  • Look for Kapundaite on Google
  • Look for Kapundaite images on Google
  • External Links:
  • Look for Kapundaite on Webmineral
  • Look for Kapundaite on Athena Mineralogy
  • Look for Kapundaite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Wilensky Fine Minerals
  • SpiriferMinerals.com - high quality low prices
  • High-end worldwide specimens & outstanding customer service
  • webminerals
  • Buy RARE Minerals from Rocks of Africa
  • Buy from David K Joyce minerals
  • Search for - Kapundaite - on e-Rocks Mineral Sales & Auctions
  • Fabre Minerals - search for Kapundaite specimens
  • The Arkenstone - Fine Minerals
  • Find Kapundaite on www.crystalclassics.co.uk
  • Fine and rare minerals from mintreasure.com
  • Rare and Unusual minerals at Mineralogical Research Company
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  • Localities for Kapundaite

    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.
    (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
     
    • South Australia
      • Mt Lofty Ranges
        • North Mt Lofty Ranges
          • Kapunda
    Mills, S.J., Birch, W.D., Kampf, A.R., Christy, A.G., Pluth, J.J., Pring, A., Raudsepp, M., Chen, Yu-S. (2010): Kapundaite, a new phosphate species from Toms quarry, South Australia: description and structural relationship to mélonjosephite. American Mineralogist, 95, 754-760.
    France
     
    • Midi-Pyrénées
      • Aveyron
        • La Capelle-Bleys
    Gayraud, L., Gineste, C., Bernadi, G. & Johannet, J.-M. (2011) - Bleys et Puech de Compolibat: deux localités minéralogiques remarquables du massif de leucogranite de La Capelle-Bleys (Aveyron), Le Cahier des Micromonteurs, 111(1), 7-23
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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