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Minyulite

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Formula:
KAl2(PO4)2F · 4H2O
System:
Orthorhombic
Colour:
Colourless, white, ...
Lustre:
Vitreous, Silky
Hardness:
Name:
After the type locality at Minyulo Well, Dandaragan, Western Australia, Australia.
This page provides mineralogical data about Minyulite.


Classification of Minyulite

Approved, 'Grandfathered' (first described prior to 1959)
8.DH.05

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
42.11.5.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
22.1.15

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride

Physical Properties of Minyulite

Vitreous, Silky
Diaphaneity (Transparency):
Transparent
Comment:
Lustre silky in aggregates.
Colour:
Colourless, white, greenish yellow; colourless in transmitted light.
Hardness (Mohs):
Tenacity:
Brittle
Density:
2.47 g/cm3 (Calculated)

Optical Data of Minyulite

Type:
Biaxial (+)
RI values:
nα = 1.531 nβ = 1.534 nγ = 1.538
2V:
Measured: 70° , Calculated: 82°
Max Birefringence:
δ = 0.007
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak

Chemical Properties of Minyulite

IMA Formula:
KAl2(PO4)2F · 4H2O
Elements listed in formula:

Crystallography of Minyulite

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pba2
Cell Parameters:
a = 9.34 Å, b = 9.74 Å, c = 5.52 Å
Ratio:
a:b:c = 0.959 : 1 : 0.567
Unit Cell Volume:
V 502.16 ų (Calculated from Unit Cell)
Morphology:
Radiating fibrous to prismatic crystals, elongated [001] with {110} and {111} terminations. Commonly in subparallel growth or as spherules.

Type Occurrence of Minyulite

Place of Conservation of Type Material:
Western Australian Museum, Perth, Australia: #M68.1991, #CT S2034. The Natural History Museum, London, England: #1933,84. The U.S. National Museum of Natural History, Washington, D.C., USA: #96769.
Geological Setting of Type Material:
Weathered glauconitic phosphatic ironstone.

Relationship of Minyulite to other Species

8.DH.10LeucophosphiteKFe23+(PO4)2(OH) · 2H2O
8.DH.10Spheniscidite(NH4)Fe23+(PO4)2(OH) · 2H2O
8.DH.10TinsleyiteKAl2(PO4)2(OH) · 2H2O
8.DH.15Jahnsite-(CaMnFe)CaMn2+Fe22+Fe23+(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(CaMnMg)CaMn2+Mg2Fe23+(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(CaMnMn)CaMn2+Mn22+Fe23+(PO4)4(OH)2 · 8H2O
8.DH.15KeckiteCaMn2+(Fe3+Mn2+)Fe23+(PO4)4(OH)3 · 7H2O
8.DH.15Rittmannite(Mn2+,Ca)Mn2+(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)4(OH)2 · 8H2O
8.DH.15Whiteite-(CaFeMg)CaFe2+Mg2Al2(PO4)4(OH)2 · 8H2O
8.DH.15Whiteite-(CaMnMg)CaMn2+Mg2Al2(PO4)4(OH)2 · 8H2O
8.DH.15Whiteite-(MnFeMg)Mn2+Fe2+Mg2Al2(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(MnMnMn)Mn2+Mn2+Mn22+Fe23+(PO4)4(OH)2 · 8H2O
8.DH.15Kaluginite(Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2O
8.DH.15Jahnsite-(CaFeFe){Ca}{Fe2+}{Fe22+}{Fe23+}(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(NaFeMg)NaFe3+Mg2Fe23+(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(NaMnMg){Na}{Mn3+}{Mg2}{Fe23+}(PO4)4(OH)2 · 8H2O
8.DH.15Jahnsite-(CaMgMg){Ca}{Mg}{Mg2}{Fe23+}(PO4)4(OH)2 · 8H2O
8.DH.20ManganosegeleriteMn22+Fe3+(PO4)2(OH) · 4H2O
8.DH.20OveriteCaMgAl(PO4)2(OH) · 4H2O
8.DH.20SegeleriteCaMgFe3+(PO4)2(OH) · 4H2O
8.DH.20WilhelmvierlingiteCaMn2+Fe3+(PO4)2(OH) · 2H2O
8.DH.20JuonniiteCaMgSc(PO4)2(OH) · 4H2O
8.DH.25CalcioferriteCa4MgFe43+(PO4)6(OH)4 · 12H2O
8.DH.25KingsmountiteCa4Fe2+Al4(PO4)6(OH)4 · 12H2O
8.DH.25MontgomeryiteCa4MgAl4(PO4)6(OH)4 · 12H2O
8.DH.25ZodaciteCa4Mn2+Fe43+(PO4)6(OH)4 · 12H2O
8.DH.30ArseniosideriteCa2Fe33+O2(AsO4)3 · 3H2O
8.DH.30KolfaniteCa2Fe33+O2(AsO4)3 · 2H2O
8.DH.30MitridatiteCa2Fe33+O2(PO4)3 · 3H2O
8.DH.30PararobertsiteCa2Mn33+O2(PO4)3 · 3H2O
8.DH.30RobertsiteCa2Mn33+O2(PO4)3 · 3H2O
8.DH.30Sailaufite(Ca,Na,◻)2Mn33+O2(AsO4)2CO3 · 3H2O
8.DH.35MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2O
8.DH.35PaulkerriteKMg2TiFe23+(PO4)4(OH)3 · 15H2O
8.DH.35BenyacariteKTiMn22+Fe23+(PO4)4OF · 15H2O
8.DH.40XanthoxeniteCa4Fe23+(PO4)4(OH)2 · 3H2O
8.DH.45Mahnertite(Na,Ca,K)Cu3(AsO4)2Cl · 5H2O
8.DH.50AndyrobertsiteKCdCu5(AsO4)4[As(OH)2O2] · 2H2O
8.DH.50CalcioandyrobertsiteKCaCu5(AsO4)4[As(OH)2O2] · 2H2O
8.DH.55EnglishiteK3Na2Ca10Al15(OH)7(PO4)21 · 26H2O
8.DH.60BouazzeriteBi6(Mg,Co)11Fe14(AsO4)18O12(OH)4 · 86H2O
22.1.1AmblygoniteLiAlPO4F
22.1.2LacroixiteNaAl(PO4)F
22.1.3NatrophosphateNa7(PO4)2F · 19H2O
22.1.5NacaphiteNa2Ca(PO4)F
22.1.6ArctiteNa5Ca7Ba(PO4)6F3
22.1.7NefedoviteNa5Ca4(PO4)4F
22.1.9FluorapatiteCa5(PO4)3F
22.1.10HerderiteCaBePO4F
22.1.11IsokiteCaMgPO4F
22.1.12PanasqueiraiteCaMgPO4(OH)
22.1.13BabefphiteBaBePO4F
22.1.14FluelliteAl2(PO4)F2(OH) · 7H2O
22.1.16MoriniteNaCa2Al2(PO4)2(OH)F4 · 2H2O
22.1.17BøggilditeNa2Sr2Al2(PO4)F9
22.1.18FluorstrophiteSrCaSr3(PO4)3F
22.1.19ViitaniemiiteNaCaAlPO4F3
22.1.20VäyryneniteMn2+Be(PO4)OH
22.1.21MaxwelliteNaFe3+AsO4F
22.1.22WagneriteMg2PO4F
22.1.23Triplite(Mn2+,Fe2+)2PO4(F,OH)
22.1.24Magniotriplite(Mg,Fe2+,Mn2+)2PO4F
22.1.25ZwieseliteFe2+Mn2+PO4F
22.1.26McauslaniteFe32+Al2(PO4)3(PO3OH)F · 18H2O
22.1.27RichelliteCaFe23+(PO4)2(OH,F)2
22.1.28SvabiteCa5(AsO4)3F
22.1.29TilasiteCaMgAsO4F
22.1.30Johnbaumite-MCa5(AsO4)3OH
22.1.31DurangiteNaAlAsO4F

Other Names for Minyulite

Name in Other Languages:
German:Minyulit
Simplified Chinese:水磷钾铝石
Spanish:Minyulita

Other Information

Other Information:
Soluble in hot concentrated acids and in warm dilute NaOH.
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 Minyulite

Reference List:
Simpson and Le Mesurier (1933) Journal of the Royal Society of Western Australia: 19: 13.

American Mineralogist (1933): 18: 512 (abstract).

Spencer, L.J., F.A. Bannister, M.H. Hey, and H. Bennett (1943) Minyulite (hydrous K-Al fluophosphate) from South Australia. Mineralogical Magazine, 26, 309–314.

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.: 970.

Kampf, A.R. (1977) Minyulite: its atomic arrangement. American Mineralogist: 62: 256–262.

Menchetti, S. and C. Sabelli (1981) Minyulite, associated with fluellite, from Pereta, Tuscany, Italy. Neues Jahrbuch für Mineralogie, Monatshefte (1981): 11: 505-510.

Internet Links for Minyulite

mindat.org URL:
https://www.mindat.org/min-2724.html
Please feel free to link to this page.
Specimens:
The following Minyulite specimens are currently listed for sale on minfind.com.

Localities for Minyulite

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.
Antarctica
 
  • Western Antarctica
    • Antarctic Peninsula
      • South Shetland Islands
Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV.
Australia
 
  • Queensland
    • Logan City Shire
Murray, C G (1973): Fluellite and Minyulite from Wolffdene, near Beenleigh, Queensland - Geological Survey of Queensland, Government Mining Journal August 1973, No.862 pp 271-274
  • South Australia
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Barossa Valley
          • Angaston
Segnit, E. R., Watts, J. A. & Peisley, V. (1981): Mineralogy of the rock phosphate deposit at Moculta, South Australia. Austral. Mineral. 1 (35), 179-186.; Harrowfield, I. R., Segnit, E. R., & Watts, J. A. (1981). Aldermanite, a new magnesium aluminium phosphate. Mineralogical Magazine, 44(333), 59-62.
Mills, S. J., Groat, L. A., Wilson, S. A., Birch, W. D., Whitfield, P. S. & Raudsepp, M. (2008): Angastonite, CaMgAl2(PO4)2(OH) 4·7H2O, a new phosphate mineral from Angaston, South Australia, Mineralogical Magazine. 72 (5): 1011–1020; Francis, G.L., Peisley, V., 2012. Minerals from Penrice quarry and the phosphate deposits Klemms and St Kitts, Angaston, South Australia. (self published).
        • Kapunda
Frost, R.L., S.J. Mills, and K.L. Erickson, (2004), Thermal decomposition of peisleyite: a thermogravimetry and hot stage Raman spectroscopic study. Thermochimica Acta, 419(1-2): p. 109-114.; Pilkington, E. S., Segnit, E. R., & Watts, J. A. (1982). Peisleyite, a new sodium aluminium sulphate phosphate. Mineralogical Magazine, 46(341), 449-452.
        • Robertstown
Francis, G.L., Peisley, V., 2012. Minerals from Fairview and St John's phosphate deposits, South Australia. (self published).
      • South Mt Lofty Ranges (Adelaide Hills)
        • Noarlunga
American Mineralogist (1977): 62: 256-262.
  • Western Australia
    • Dandaragan Shire
      • Dandaragan
Sue Koepke collection
Simpson and Le Mesurier (1933) Journal of the Royal Society of Western Australia: 19: 13; 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: 970; American Mineralogist (1977): 62: 256-262.
Belgium
 
  • Hainaut Province (Henegouwen; Hennegau)
    • Mons
      • Blaton
Peacor, D.R., Dunn, P.J.,Simmons,W.B. and Ramik, R.A. (1987): Ferristrunzite, a new member of the strunzite group, from Blaton, Belgium. Neues Jahrbuch für Mineralogie, Monatshefte 1987, 453-457
  • Liège Province
    • Visé
1./ A.M. Fransolet, J Jedwab and R. Van Tassel, 1974, Inventaire minéralogique de Richelles, Belgique, Annales de la Société Géologique de Belgique, Tome 27, pp. 23-26.; R. Van Tassel, A.-M. Fransolet and K. Abraham (1979) Drugmanite, Pb2(Fe3+,Al)(PO4)2(OH) · H2O, a New Mineral from Richelle, Belgium. Mineralogical Magazine 1979 43:463-467
Chile
 
  • Antofagasta Region
    • El Loa Province
      • Calama
        • Chuquicamata District
Minyulite - xray identification by D.Pohl AMNH Dec/88.
France
 
  • Pays de la Loire
    • Loire-Atlantique
      • Pannecé
Lheur C. (1993), Les minéralisations de l'ancienne carrière de La Floquerie près de Pannecé (Loire-Atlantique), Le Cahier des Micromonteurs, n°4, pp: 14-21
Italy
 
  • Tuscany
    • Grosseto Province
      • Scansano
        • Pereta
Scortecci P.B., Tazzini M., 1984. Minerals of the Pereta mine, Tuscany, Italy. Mineralogical Record, 15: 19-26
    • Pisa Province
      • Pomarance
Nannoni R., Capperi M., 1985. I minerali della "Sorgente Solfurea" di Micciano (PI). Quad. Mus. Storia Nat. Livorno, 6: 11-25.
Kazakhstan
 
  • Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast')
Ankinovich, E.A, Bekenova, G.K., Shabanova, T.A., Zazubina, I.S., and Sandomirskaya, S.M. (1997): Canadian Mineralogist 35(6), 1415-1419.
  • Zhambyl Province (Jambyl Oblysy; Dzhambulskaya Oblast')
    • Talas Alatau Range (Talas Ala-Too Range)
Ankinovich, E.A, Bekenova, G.K., Shabanova, T.A., Zazubina, I.S., and Sandomirskaya, S.M. (1997): Canadian Mineralogist 35(6), 1415-1419.; Ankinovich, E.A, Bekenova, G.K., Shabanova, T.A., Zazubina, I.S., and Sandomirskaya, S.M. (1997): Mitryaevaite, Al10((PO4)8.7(SO3OH)1.3)10AlF3.3OH2O, a new mineral species from a Cambrian carbonaceous chert formation, Karatau Range and Zhabagly Mountains, Southern Kazakhstan. Canadian Mineralogist 35(6), 1415-1419.
Kyrgyzstan
 
  • Osh Oblast
    • Alai Range (Alay Range)
      • Fergana Valley
        • Fergana
Karpenko, V.Yu. et al. Zapiski RMO 138(1)83(2009)
South Africa
Cairncross, B. and Dixon, R., (1995), Minerals of South Africa.
Spain
 
  • Navarre
    • Esteríbar
      • Eugui
Calvo, M. and Viñals, J. (2003). El yacimiento de magnesita de Eugui (Navarra). Revista de Minerales, 2 (4) 6-21
USA
 
  • Idaho
    • Caribou Co.
      • Soda Springs
Kampf, A. R., Nash, B. P., & Loomis, T. A. (2013). Phosphovanadylite-Ca, Ca [V4 4+ P2O8 (OH) 8]· 12H2O, the Ca analogue of phosphovanadylite-Ba. American Mineralogist, 98(2-3), 439-443.
  • Nevada
    • Eureka Co.
      • Gibellini District
NBMG Spec. Pub. 31 Minerals of Nevada; [Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 4, 362
        • Fish Creek Range
MinRec 32:239
NBMG Spec. Pub. 31 Minerals of Nevada
    • Pershing Co.
      • Humboldt Range
        • Willard District
[MinRec 39:297]
  • South Dakota
    • Lawrence Co.
      • Bald Mountain District
Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press
      • Lead District
[Mineralogical Record 30:203]
  • Utah
    • Box Elder Co.
      • Pilot Range
        • Lucin District
          • Lucin
            • Utahlite Hill
J. Marty (1995) Minerals of the Utahlite Claim (Edison and Bird Mine), Lucin, Box Elder County, Utah. Microprobe 8-2:4-10
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