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Waylandite

Formula:
(Bi,Ca)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
]
System:TrigonalColour:White
Hardness:4 - 5
Name:Named after Edward James Wayland, director of the Uganda Geological Survey.


Florencite Group.

Classification of Waylandite

IMA status:Approved 1962
Strunz 8th edition ID:7/B.36-90
Nickel-Strunz 10th (pending) edition ID:8.BL.10

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
Dana 8th edition ID:41.5.12.1

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
Hey's CIM Ref.:17.6.14

17 : Silicates Containing other Anions
6 : Silicates with phosphate
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Type Occurrence of Waylandite

Type Locality:Wampewo Hill, Busiiro Co. (Bushiro Co.), Wakiso District, Uganda
Year of Discovery:1962

Physical Properties of Waylandite

Lustre:Waxy, Dull
Colour:White
Hardness (Mohs):4 - 5

Crystallography of Waylandite

Crystal System:Trigonal
Cell Parameters:a = 6.97Å, c = 16.29Å
Ratio:a:c = 1 : 2.337
Unit Cell Volume:V 685.36 ų (Calculated from Unit Cell)

Optical Data of Waylandite

Type:Uniaxial (-)
RI values: nω = 1.774 nε = 1.748
Maximum Birefringence:δ = 0.026

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

Chemical Properties of Waylandite

Formula:
(Bi,Ca)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
]
Essential elements:Al, Bi, H, O, P
All elements listed in formula:Al, Bi, Ca, H, O, P, Si

Relationship of Waylandite to other Species

Related Minerals - Nickel-Strunz Grouping):
8.BL.05Beudantite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Corkite
PbFe
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Hidalgoite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Hinsdalite
PbAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Kemmlitzite
(Sr,Ce)Al
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.05Orpheite
PbAl
 
3
[(OH)
 
6
|(PO
 
4
,SO
 
4
)
 
2
] (?)
8.BL.05Schlossmacherite
(H
 
3
O,Ca)Al
 
3
[(OH)
 
6
|(SO
 
4
,AsO
 
4
)
 
2
]
8.BL.05Svanbergite
SrAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Weilerite
8.BL.05Woodhouseite
CaAl
 
3
[(OH)
 
6
|SO
 
4
|PO
 
4
]
8.BL.05Gallobeudantite
PbGa
 
3
[(OH)
 
6
|SO
 
4
|AsO
 
4
]
8.BL.10Arsenogoyazite
SrAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenoflorencite-(La)
LaAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Arsenoflorencite-(Nd)
NdAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Arsenogorceixite
BaAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenocrandallite
(Ca,Sr)Al
 
3
[(OH)
 
5
|(AsO
 
4
,PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Arsenoflorencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Benauite
SrFe
3+
3
[(OH)
 
6
|(HPO
 
4
,PO
 
4
)|(PO
 
4
,SO
 
4
)]
8.BL.10Crandallite
CaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Dussertite
BaFe
3+
3
[(OH)
 
5
|(AsO
 
4
)
 
2
]
8.BL.10Eylettersite
(Th,Pb)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
] ?
8.BL.10Florencite-(Ce)
CeAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Florencite-(La)
LaAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Florencite-(Nd)
NdAl
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Gorceixite
BaAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Goyazite
SrAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Kintoreite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Philipsbornite
PbAl
 
3
[(OH)
 
5
|(AsO
 
4
)
 
2
] · H
 
2
O
8.BL.10Plumbogummite
PbAl
 
3
[(OH)
 
5
|(PO
 
4
)
 
2
] · H
 
2
O
8.BL.10Segnitite
PbFe
3+
3
[(OH,H
 
2
O)
 
6
|(AsO
 
4
)
 
2
]
8.BL.10Zaïrite
Bi(Fe
3+
 
,Al)
 
3
[(OH)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Arsenowaylandite
BiAl
 
3
(AsO
 
4
)
 
2
(OH)
 
6
8.BL.10Springcreekite
BaV
3+
3
[(OH,H
 
2
O)
 
6
|(PO
 
4
)
 
2
]
8.BL.10Graulichite-(Ce)
CeFe
3+
3
[(OH)
 
6
|(AsO
 
4
)
 
2
]
8.BL.15Viitaniemiite
Na(Ca,Mn
2+
 
)Al[(F,OH)
 
3
|PO
 
4
]
8.BL.25Pattersonite
PbFe
3+
3
(PO
 
4
)
 
2
(OH)
 
4
{(H
 
2
O)
 
0.5
(OH)
 
0.5
}
 
2
Related Minerals - Hey's Index Grouping:
17.6.1Nagelschmidtite
Ca
 
7
[PO
 
4
|SiO
 
4
]
 
2
17.6.2Perhamite
(Ca,Sr)
 
3
Al
 
7.7
Si
 
3
P
 
4
O
 
23.5
(OH)
 
14.1
·8H
 
2
O
17.6.3Viséite
17.6.4Phosinaite
17.6.5Clinophosinaite
Na
 
12
(Ca,Sr)
 
4
(PO
 
4
)
 
4
(Si
 
4
O
 
12
)
17.6.6Karnasurtite-(Ce)
(Ce,La,Th)(Ti,Nb)(Al,Fe)(Si,P)
 
2
O
 
7
(OH)
 
4
·3H
 
2
O
17.6.7Lomonosovite
Na
 
5
Ti
 
2
[O
 
2
|PO
 
4
|Si
 
2
O
 
7
]
17.6.8Bornemanite
BaNa
 
4
Ti
 
2
NbSi
 
4
O
 
17
(F,OH)·Na
 
3
PO
 
4
17.6.9Sobolevite
Na
 
12
Ca(NaCaMn)Ti
 
2
(Si
 
2
O
 
7
)
 
2
(PO
 
4
)
 
4
O
 
3
F
 
3
17.6.10Laplandite-(Ce)
Na
 
4
CeTiPO
 
4
Si
 
7
O
 
18
·5H
 
2
O
17.6.11 Vunonnemite
Na
 
5
TiNb
 
3
Si
 
6
O
 
25
F
 
2
·2Na
 
3
PO
 
4
17.6.12Saryarkite-(Y)
Ca(Y,Th)Al
 
5
(SiO
 
4
)
 
2
(PO
 
4
,SO
 
4
)
 
2
(OH)
 
7
·6H
 
2
O
17.6.13Steenstrupine-(Ce)
Na
 
14
Mn
2+
2
(Fe
3+
 
,Mn
3+
 
)
 
2
Ce
 
6
(Zr,Th)[(OH)
 
2
|HPO
 
4
|(PO
 
4
)
 
6
|(Si
 
6
O
 
18
)
 
2
]·2H
 
2
O
17.6.15Britholite-(Ce)
Ca
 
2
(Ce,Ca)
 
3
[(OH,F)|(SiO
 
4
,PO
 
4
)
 
3
]
17.6.16Britholite-(Y)
Ca
 
2
(Y,Ca)
 
3
[(OH,F)|(SiO
 
4
,PO
 
4
)
 
3
]
17.6.17Eylettersite
(Th,Pb)Al
 
3
[(OH)
 
6
|(PO
 
4
,SiO
 
4
)
 
2
] ?

Other Names for Waylandite

Synonyms:
IMA1962-003
German names:
Waylandit
Japanese names:
ウェイランド石
Russian names:
Вейлендит
Spanish names:
Waylandita

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 Waylandite

Reference List:American Mineralogist (1963): 48: 216.

Clark, A. M., Couper, A. G., Embrey, P. G. and Fejer, E. E. (1986): Waylandite: new data, from an occurrence in Cornwall, with a note on ‘agnesite’. Mineralogical Magazine: 50: 731-733.

American Mineralogist (1988): 73: 199.

Internet Links for Waylandite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Waylandite in the Natural History Museum (London) online catalogue
  • Waylandite details from Handbook of Mineralogy (PDF)
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    Localities for Waylandite

    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.
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    (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.
    Bolivia
     
    • Potosí Department
      • Nor Chichas Province
        • Atocha-Quechisla District
    Alfredo Petrov collection; EDS confirmations by Excalibur Minerals and Attards Minerals.
    China
     
    • Yunnan Province
      • Pu'er Prefecture
    No reference listed
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
    No reference listed
      • Liberec Region
    Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
    Democratic Republic of Congo (Zaïre)
     
    • Kivu
    Lapis 16(9), 12 (1991)
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Gengenbach
          • Haigerach valley
    Blaß, G. & graf, H. W. (2000): Neufunde von bekannten Fundorten im Schwarzwald. Mineralien-Welt, 11 (4), 57-60. (in German); Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Erzgebirge
        • Johanngeorgenstadt
    Gröbner, J., Grimm, O. & Zienau, H. (2005): Neufunde interessanter Wismut- und Uranmineralien am Schaarschacht, Johanngeorgenstadt, Sachsen. Lapis 30 (6), 44-51; 62.
          • Steinbach
    Wittern: "Mineralfundorte in Deutschland", 2001
        • Schneeberg District
          • Neustädtel
    Lapis 30(7/8):41-70 (2005)
    W. Krause et al. (2002) Eur. J. Mineral. 14, 115-126
          • Wolfgang Maaßen Mine field
    Wittern: "Mineralfundorte in Deutschland", 2001
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    Yamada et al. (1999) Chikyu-Wakusei Godo-Taikai Koen-Yoshi (Abstract of the Joint Meeting of the Societies of Earth and Planetary Sciences), Mc-002.
    Uganda
     
    • Wakiso District
      • Busiiro Co. (Bushiro Co.)
    Min Mag 50 (1986), 730; Am Min 73 (1988), 199
    UK
     
    • England
      • Cornwall
        • Liskeard District
          • Caradon & Phoenix Area (South-Eastern Bodmin Moor)
            • Linkinhorne
    [MinRec 19:337]
        • St Austell District
          • Fraddon
    UKJMM No19
          • Lanivet Area
            • Lostwithiel
    Min.Mag. 50,731-733(1986)
          • Luxulyan Area (Luxulian Area)
            • Hensbarrow Downs
              • Stenalees
    No reference listed
        • St Just District
          • Botallack - Pendeen Area
            • Truthwall
    No reference listed
    USA
     
    • Wisconsin
      • Jefferson Co.
        • Waterloo
    Buchholz, T.W., Falster, A.U., and Simmons, WmB. (2007) 34th Rochester Mineralogical Symposium, Contributed Papers.
    Mineral and/or Locality
    Google
     
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