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Minyulite

Big Photo

Richelle, Visé, Liège Province, Belgium
© JDehove

Show Minyulite Photos (33)
Formula:
KAl
 
2
[(OH,F)|(PO
 
4
)
 
2
] · 4H
 
2
O
System:OrthorhombicColour:Colourless, white, ...
Lustre:Vitreous, SilkyHardness:3½
Name:After the type locality at Minyulo Well, Dandaragan, Western Australia, Australia.
This page provides mineralogical data about Minyulite.

Classification of Minyulite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/D.27-40
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:42.11.5.1

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

22 : Phosphates, Arsenates or Vanadates with other Anions
1 : Phosphates, arsenates or vanadates with fluoride
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Type Occurrence of Minyulite

Type Locality:Minyulo Well, Dandaragan, Western Australia, Australia
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.
Year of Discovery:1933
Geological Setting of type material:Weathered glauconitic phosphatic ironstone.
Associated Minerals at type locality:
WavelliteVarisciteLeucophosphiteGlauconiteFluellite
DufréniteApatite

Physical Properties of Minyulite

Lustre:Vitreous, Silky
Diaphaneity (Transparency):Transparent
Comment:Lustre silky in aggregates.
Colour:Colourless, white, greenish yellow; colourless in transmitted light.
Hardness (Mohs):3½
Tenacity:Brittle
Density (calculated):2.47 g/cm3

Crystallography of Minyulite

Crystal System:Orthorhombic
Class (H-M):mm2 - Pyramidal
Space Group:Pba2
Cell Parameters:a = 9.34Å, b = 9.74Å, c = 5.52Å
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.

Optical Data of Minyulite

Type:Biaxial (+)
RI values: nα = 1.531 nβ = 1.534 nγ = 1.538
2V:Measured: 70° , Calculated: 82°
Maximum Birefringence:δ = 0.007

Chart 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

Formula:
KAl
 
2
[(OH,F)|(PO
 
4
)
 
2
] · 4H
 
2
O
Essential elements:Al, H, K, O, P
All elements listed in formula:Al, F, H, K, O, P

Relationship of Minyulite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DH.10Leucophosphite
KFe
3+
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
8.DH.10Spheniscidite
(NH
 
4
,K)(Fe
3+
 
,Al)
 
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
8.DH.10Tinsleyite
KAl
 
2
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
8.DH.15Jahnsite-(CaMnFe)
CaMn
2+
 
Fe
2+
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Jahnsite-(CaMnMg)
CaMn
2+
 
(Mg,Fe
2+
 
)
 
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Jahnsite-(CaMnMn)
CaMn
2+
 
Mn
2+
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Keckite
CaMnMn
2+
2
Fe
3+
3
(PO
 
4
)
 
4
(OH)
 
3
(H
 
2
O)
 
7
8.DH.15Rittmannite
(Mn
2+
 
,Ca)Mn
2+
 
(Fe
2+
 
,Mn
2+
 
,Mg)
 
2
(Al,Fe
3+
 
)
 
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Whiteite-(CaFeMg)
Ca(Fe
2+
 
,Mn
2+
 
)Mg
 
2
Al
 
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Whiteite-(CaMnMg)
CaMn
2+
 
Mg
 
2
Al
 
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Whiteite-(MnFeMg)
(Mn
2+
 
,Ca)(Fe
2+
 
,Mn
2+
 
)Mg
 
2
Al
 
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Jahnsite-(MnMnMn)
Mn
2+
 
Mn
2+
 
Mn
2+
2
Fe
3+
2
(PO
 
4
)
 
4
](OH)
 
2
 · 8H
 
2
O
8.DH.15Kaluginite
(Mn
2+
 
,Ca)MgFe
3+
 
[OH|(PO
 
4
)
 
2
] · 4H
 
2
O
8.DH.15Jahnsite-(CaFeFe)
CaFe
2+
 
Fe
2+
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
·8H
 
2
O
8.DH.15Jahnsite-(NaFeMg)
NaFe
3+
 
Mg
 
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Jahnsite-(NaMnMg)
NaMnMg
 
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.15Jahnsite-(CaMgMg)
CaMgMg
 
2
Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.20Manganosegelerite
(Mn
2+
 
,Ca)(Mn
2+
 
,Fe
2+
 
,Mg)Fe
3+
 
(PO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.DH.20Overite
CaMgAl[OH|(PO
 
4
)
 
2
] · 4H
 
2
O
8.DH.20Segelerite
Ca
 
2
 Mg
 
2
 Fe
3+
2
(PO
 
4
)
 
4
(OH)
 
2
 · 8H
 
2
O
8.DH.20Wilhelmvierlingite
CaMnFe
3+
 
[OH|(PO
 
4
)
 
2
] · 2H
 
2
O
8.DH.20Juonniite
CaMgSc(PO
 
4
)
 
2
(OH)·4H
 
2
O
8.DH.25Calcioferrite
Ca
 
2
Fe
3+
2
[OH|(PO
 
4
)
 
3
] · 7H
 
2
O
8.DH.25Kingsmountite
Ca
 
4
(Fe
2+
 
,Mn
2+
 
)Al
 
4
[(OH)
 
2
|(PO
 
4
)
 
3
]
 
2
 · 12H
 
2
O
8.DH.25Montgomeryite
Ca
 
4
MgAl
 
4
[(OH)
 
2
|(PO
 
4
)
 
3
]
 
2
 · 12H
 
2
O
8.DH.25Zodacite
Ca
 
4
Mn
2+
 
Fe
3+
4
[(OH)
 
2
|(PO
 
4
)
 
3
]
 
2
 · 12H
 
2
O
8.DH.30Arseniosiderite
Ca
 
2
Fe
3+
3
[O
 
2
|(AsO
 
4
)
 
3
] · 3H
 
2
O
8.DH.30Kolfanite
Ca
 
2
Fe
3+
2
[O
 
2
|(AsO
 
4
)
 
3
] · 2H
 
2
O
8.DH.30Mitridatite
Ca
 
2
Fe
3+
3
[O
 
2
|(PO
 
4
)
 
3
] · 3H
 
2
O
8.DH.30Pararobertsite
Ca
 
2
Mn
3+
3
[O
 
2
|(PO
 
4
)
 
3
] · 3H
 
2
O
8.DH.30Robertsite
Ca
 
3
Mn
3+
4
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 3H
 
2
O
8.DH.30Sailaufite
(Ca,Na,[])
 
2
Mn
3+
3
[O
 
2
|CO
 
3
|(AsO
 
4
)
 
2
] · 3H
 
2
O
8.DH.35Mantienneite
KMg
 
2
Al
 
2
Ti[(OH)
 
3
|(PO
 
4
)
 
4
] · 15H
 
2
O
8.DH.35Paulkerrite
K(Mg,Mn
2+
 
)
 
2
(Fe
3+
 
,Al,Ti,Mg)
 
2
Ti(PO
 
4
)
 
4
(OH)
 
3
 · 15H
 
2
O
8.DH.35Benyacarite
(H
 
2
O,K)
 
2
(Mn
2+
 
,Fe
2+
 
)
 
2
(Fe
3+
 
,Ti)
 
2
Ti[(O,F)
 
2
|(PO
 
4
)
 
4
] · 14H
 
2
O
8.DH.40Xanthoxenite
Ca
 
4
Fe
3+
2
[OH|(PO
 
4
)
 
2
]
 
2
 · 3H
 
2
O
8.DH.45Mahnertite
NaCu
 
3
(AsO
 
4
)
 
2
Cl · 5H
 
2
O
8.DH.50Andyrobertsite
KCdCu
 
5
[H
 
2
AsO
 
4
|(AsO
 
4
)
 
4
] · 2H
 
2
O
8.DH.50Calcioandyrobertsite
KCaCu
 
5
[H
 
2
AsO
 
4
|(AsO
 
4
)
 
4
] · 2H
 
2
O
8.DH.55Englishite
K
 
3
Na
 
2
Ca
 
10
Al
 
15
[OH|(PO
 
4
)
 
3
]
 
7
 · 26H
 
2
O
8.DH.60Bouazzerite
Bi
 
6
(Mg,Co)
 
11
Fe
3+
14
(AsO
 
4
)
 
18
O
 
12
(OH)
 
4
(H
 
2
O)
 
86
Related Minerals - Hey's Index Grouping:

- +
22.1.1Amblygonite
LiAl[(F,OH)|PO
 
4
]
22.1.2Lacroixite
NaAl[F|PO
 
4
]
22.1.3Natrophosphate
Na
 
7
(PO
 
4
)
 
2
F·19H
 
2
O
22.1.5Nacaphite
Na
 
2
Ca[F|PO
 
4
]
22.1.6Arctite
Na
 
2
Ca
 
4
(PO
 
4
)
 
3
F
22.1.7Nefedovite
Na
 
5
Ca
 
4
(PO
 
4
)
 
4
F
22.1.9Apatite-(CaF)
Ca
 
5
[F|(PO
 
4
)
 
3
]
22.1.10Herderite
CaBe[(F,OH)|PO
 
4
]
22.1.11Isokite
CaMg[F|PO
 
4
]
22.1.12Panasqueiraite
CaMg[(OH,F)|PO
 
4
]
22.1.13Babefphite
BaBe[(F,OH)|PO
 
4
]
22.1.14Fluellite
Al
 
2
[F
 
2
|OH|PO
 
4
] · 7H
 
2
O
22.1.16Morinite
Na
 
2
Ca
 
4
Al
 
4
[(F,OH)
 
5
|(PO
 
4
)
 
2
]
 
2
 · 3H
 
2
O
22.1.17Bøggildite
Na
 
2
Sr
 
2
Al
 
2
PO
 
4
F
 
9
22.1.18Apatite-(SrOH)
(Sr,Ca)
 
5
(PO
 
4
)
 
3
(OH,F)
22.1.19Viitaniemiite
Na(Ca,Mn
2+
 
)Al[(F,OH)
 
3
|PO
 
4
]
22.1.20Väyrynenite
Mn
2+
 
Be[(OH,F)|PO
 
4
]
22.1.21Maxwellite
NaFe
3+
 
[F|AsO
 
4
]
22.1.22Wagnerite
(Mg,Fe
2+
 
)
 
2
[F|PO
 
4
]
22.1.23Triplite
(Mn
2+
 
,Fe
2+
 
)
 
2
[(F,OH)|PO
 
4
]
22.1.24Magniotriplite
(Mg,Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
22.1.25Zwieselite
(Fe
2+
 
,Mn
2+
 
)
 
2
[F|PO
 
4
]
22.1.26Mcauslanite
HFe
2+
3
Al
 
2
[F|(PO
 
4
)
 
4
] · 18H
 
2
O
22.1.27Richellite
Ca
 
3
Fe
3+
10
[(OH,F)
 
3
|(PO
 
4
)
 
2
]
 
4
 · nH
 
2
O (not confirmed)
22.1.28Svabite
Ca
 
5
[(F,Cl,OH)|(AsO
 
4
)
 
3
]
22.1.29Tilasite
CaMg[F|AsO
 
4
]
22.1.30Fermorite
(Ca,Sr)
 
5
(AsO
 
4
,PO
 
4
)
 
3
(OH)
22.1.31Durangite
NaAl[F|AsO
 
4
]

Other Names for Minyulite

Other Languages:
German:Minyulit
Russian:Миниюлит
Spanish:Minyulita

Other Information

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

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    Localities for Minyulite

    Hide Locality List
    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.
    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
     
    • South Australia
      • Mt Lofty Ranges
        • South 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.
    IMA website - Minerals approved in May 2008
          • Kapunda
    No reference listed
          • Noarlunga
    American Mineralogist (1977): 62: 256-262.
    • Western Australia
      • Dandaragan
    		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 (Henegouwen; Hennegau) Province
      • Mons
        • Blaton
    		D.R. Peacor, P.J. Dunn, W.B. Simmons, R.A. Ramik (1987) Ferristrunzite, a new member of the strunzite group, from Blaton, Belgium. Neues Jahrb. Mineral. Mon., 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.
    Chile
     
    • Antofagasta Region
      • El Loa Province
        • Calama
          • Chuquicamata District
    		Minyulite - xray identification by D.Pohl AMNH Dec/88.
    France
     
    • Pays de 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. Mineral. Rec., 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
     
    • Zhambyl Oblysy (Dzhambul [Drambul; Dzambul; Jambyl] Oblast')
    		[AmMin 84:195]
    Kyrgyzstan
     
    • Osh Oblast
      • Alai (Alay) Range
        • Fergana Valley
          • Fergana
    		Karpenko, V.Yu. et al. Zapiski RMO 138(1)83(2009)
    South Africa
    Minerals of South Africa
    Minerals of South Africa
    Spain
     
    • Navarre
      • Esteribar
        • Eugui
    		Calvo, M. and Viñals, J. (2003). El yacimiento de magnesita de Eugui (Navarra). Revista de Minerales, 2 (4) 6-21
    USA
     
    • Nevada
      • Eureka Co.
        • Gibellini District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Pershing Co.
        • Willard District
    		[MinRec 39:297]
    • South Dakota
      • Lawrence Co.
        • Lead District
    		[MinRecord 30:203]
    • Utah
      • Box Elder Co.
        • Pilot Range
          • Lucin District
            • Lucin
    		J. Marty (1995) Minerals of the Utahlite Claim (Edison and Bird Mine), Lucin, Box Elder County, Utah. Microprobe 8-2:4-10
    Mineral and/or Locality
    Google
     
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