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Waylandite

A valid IMA mineral species
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About WaylanditeHide

Formula:
BiAl3(PO4)2(OH)6
May contain Ca (replacing Bi) and Si (replacing P).
Colour:
Colorless, white, pale blue, pale brown
Lustre:
Vitreous, Dull
Hardness:
4 - 5
Specific Gravity:
4.08 (Calculated)
Crystal System:
Trigonal
Name:
Named after Edgar James Wayland [1888-1966], first director of the Uganda Geological Survey.
The Al analogue of zaïrite and the phosphate analogue of arsenowaylandite. Unique combination of elements.

Compare 'UM1972-05-BiO:AlCaP'.




Unique IdentifiersHide

Mindat ID:
4252
Long-form identifier:
mindat:1:1:4252:5
GUID
(UUID V4):
786a5757-6182-4784-8c26-3d7b4a6211cb

IMA Classification of WaylanditeHide

Classification of WaylanditeHide

8.BL.13

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

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
5 : (AB)2(XO4)Zq
17.6.14

17 : Silicates Containing other Anions
6 : Silicates with phosphate

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
WayIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of WaylanditeHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of WaylanditeHide

Vitreous, Dull
Transparency:
Translucent
Colour:
Colorless, white, pale blue, pale brown
Streak:
White
Hardness:
4 - 5 on Mohs scale
Fracture:
Irregular/Uneven
Comment:
fracture uneven when massive
Density:
4.08 g/cm3 (Calculated)

Optical Data of WaylanditeHide

Type:
Uniaxial (+)
RI values:
nω = 1.748 nε = 1.774
Max Birefringence:
δ = 0.026
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemistry of WaylanditeHide

Mindat Formula:
BiAl3(PO4)2(OH)6

May contain Ca (replacing Bi) and Si (replacing P).

Crystallography of WaylanditeHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 6.9744-6.9834 Å, c = 16.175-16.293 Å
Ratio:
a:c = 1 : 2.319
Unit Cell V:
681.38 ų (Calculated from Unit Cell)
Z:
3
Twinning:
often, cyclic

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019168WaylanditeMills S J, Kampf A R, Raudsepp M, Birch W D (2010) The crystal structure of waylandite from Wheal Remfry, Cornwall, United Kingdom Mineralogy and Petrology 100 249-2532010Wheal Remfry, Cornwall, United Kingdom0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.938 Å(100)
2.173 Å(100)
1.888 Å(85)
5.67 Å(80)
2.200 Å(80)
1.743 Å(80)
3.492 Å(75)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47c : [Carbonates, phosphates, borates, nitrates]
Geological Setting:
Restormel mine, Cornwall, England

Type Occurrence of WaylanditeHide

General Appearance of Type Material:
Crystals to 0.5 mm; compact fine-grained powder in crusts and veinlets.
Place of Conservation of Type Material:
n.d.
Geological Setting of Type Material:
Secondary mineral replacing primary Bi minerals (rare); associated mineral concerns locality Ngusa, Kobokobo pegmatite, Rep. of Congo.
Associated Minerals at Type Locality:
Reference:
von Knorring, O., Mrose, M.E. (1962) Westgrenite and waylandite, two new bismuth minerals from Uganda. Geological Society of America, Abstracts Annual Meetings 1962: 156A-157A.

Synonyms of WaylanditeHide

Other Language Names for WaylanditeHide

German:Waylandit
Simplified Chinese:磷铝铋矿
Spanish:Waylandita
Traditional Chinese:磷鋁鉍礦

Relationship of Waylandite to other SpeciesHide

Other Members of this group:
BenauiteSrFe3+3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
EylettersiteTh0.75Al3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
Florencite-(Ce)CeAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
Florencite-(La)LaAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
Florencite-(Nd)NdAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
Florencite-(Sm)SmAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
GalloplumbogummitePb(Ga,Al,Ge)3(PO4)2(OH)6Trig. 3m : R3m
GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
KintoreitePbFe3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
Kintoreite-2cPbFe3+3(PO4)2(OH,H2O)6
PlumbogummitePbAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
SpringcreekiteBaV3+3(PO4)2(OH,H2O)6Trig. 3m (3 2/m) : R3m
UM2006-23-PO:AlBiCaFeH(Ca,Bi)(Fe,Al)3(PO4)(PO3OH)(OH)6
Unnamed (As-analogue of Zaïrite)(Bi,Pb)Fe3+3(AsO4)2(OH)6
ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
7 photos of Waylandite associated with QuartzSiO2
4 photos of Waylandite associated with BismocliteBiOCl
2 photos of Waylandite associated with BismuthiniteBi2S3
2 photos of Waylandite associated with Bismutite(BiO)2CO3
2 photos of Waylandite associated with BeyeriteCa(BiO)2(CO3)2
2 photos of Waylandite associated with Tantalite-(Mn)Mn2+Ta2O6
2 photos of Waylandite associated with Oxybismutomicrolite(Bi1.330.67)Σ2Ta2O6O
1 photo of Waylandite associated with SchneebergiteBiCo2(AsO4)2(OH) · H2O
1 photo of Waylandite associated with CassiteriteSnO2
1 photo of Waylandite associated with TopazAl2(SiO4)(F,OH)2

Related Minerals - Strunz-mindat GroupingHide

8.BL.Graulichite-(La)LaFe3+3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.OberwolfachiteSrFe3+3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.KiryuiteNaMnAl(PO4)F3Mon. 2/m : P21/m
8.BL.ClouditeBaFe3+3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05BeudantitePbFe3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05CorkitePbFe3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05HidalgoitePbAl3(AsO4)(SO4)(OH)6Trig. 3m : R3m
8.BL.05HinsdalitePbAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05KemmlitziteSrAl3(AsO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05SvanbergiteSrAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05WeileriteBaAl3(AsO4)(SO4)(OH)6Hex.
8.BL.05WoodhouseiteCaAl3(PO4)(SO4)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.05GallobeudantitePbGa3(AsO4)(SO4)(OH)6Trig. 3m : R3m
8.BL.05UM2011-07-POSO:AlBaHBaAl3(PO4)(SO4)(OH)6
8.BL.10ArsenogoyaziteSrAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10ArsenogorceixiteBaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10ArsenocrandalliteCaAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m)
8.BL.10BenauiteSrFe3+3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10DussertiteBaFe3+3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10EylettersiteTh0.75Al3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10GorceixiteBaAl3(PO4)(PO3OH)(OH)6Mon. m : Bm
8.BL.10GoyaziteSrAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10KintoreitePbFe3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10PhilipsbornitePbAl3(AsO4)(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10PlumbogummitePbAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10SegnititePbFe3+3AsO4(AsO3OH)(OH)6Trig. 3m (3 2/m) : R3m
8.BL.10 vaViséite
8.BL.10SpringcreekiteBaV3+3(PO4)2(OH,H2O)6Trig. 3m (3 2/m) : R3m
8.BL.10GalloplumbogummitePb(Ga,Al,Ge)3(PO4)2(OH)6Trig. 3m : R3m
8.BL.13Arsenoflorencite-(La)LaAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Arsenoflorencite-(Nd)NdAl3(AsO4)2(OH)6Trig.
8.BL.13Arsenoflorencite-(Ce)CeAl3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(Ce)CeAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(La)LaAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(Nd)NdAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13ZaïriteBiFe3+3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13ArsenowaylanditeBiAl3(AsO4)2(OH)6Trig.
8.BL.13Graulichite-(Ce)CeFe3+3(AsO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Florencite-(Sm)SmAl3(PO4)2(OH)6Trig. 3m (3 2/m) : R3m
8.BL.13Unnamed (As-analogue of Zaïrite)(Bi,Pb)Fe3+3(AsO4)2(OH)6
8.BL.15ViitaniemiiteNa(Ca,Mn2+)Al(PO4)(F,OH)3Mon. 2/m : P21/m
8.BL.25PattersonitePbFe3+3(PO4)2(OH)5 · H2OTric. 1 : P1

Other InformationHide

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

Internet Links for WaylanditeHide

References for WaylanditeHide

Reference List:

Localities for WaylanditeHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Gough Co.
      • Elsmore
Rankin et al. (2002) +1 other reference
  • Tasmania
    • Kentish municipality
      • Moina - Middlesex District
Ralph Bottrill in prep
Bolivia
 
  • Potosí
    • Nor Chichas Province
Petrov (n.d.) +1 other reference
Brazil
 
  • Bahia
    • Juazeiro
Rob Lavinsky +1 other reference
  • Goiás
    • Cavalcante
Pires et al. (2020)
  • Pará
    • Curionópolis
Berni et al. (2016)
  • Paraíba
    • Junco do Seridó
analysis of the Jacques Cassedanne sample 1559 (ref. analysis 2023sem62)
  • Rio Grande do Norte
    • Equador
Färber (n.d.) +1 other reference
Canada
 
  • Ontario
    • Cochrane District
      • South of Ridge Lake Area
SAGE (1981)
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
      • Abertamy
        • Hřebečná
Sejkora et al. (2021)
    • Sokolov District
      • Krásno
Sejkora et al. (2006)
  • Liberec Region
Scharm +7 other references
  • Plzeň Region
    • Klatovy District
Šrein
  • South Bohemian Region
    • Jindřichův Hradec District
      • Stráž nad Nežárkou
Breiter et al. (1995)
  • Vysočina Region
    • Pelhřimov District
Losertová et al. (2014)
DR Congo
 
  • South Kivu
    • Mwenga Territory
Lapis 16 (9)
France
 
  • Nouvelle-Aquitaine
    • Haute-Vienne
      • Bellac
Lesenechal et al. (12/2023)
Lesenechal et al. (12/2023)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Ortenaukreis
        • Gengenbach
          • Gengenbach
Blaß et al. (2000) +1 other reference
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Pleystein
Dill et al. (2009)
  • Saxony
    • Erzgebirgskreis
      • Johanngeorgenstadt
Schnorrer (1995) +1 other reference
        • Steinbach
Wittern (2001)
      • Schneeberg
        • Neustädtel
Lapis 30 (7/8)
          • Wolfgangmaßen
            • Wolfgangmaßen mines (Wolfgangmaaßen mines)
Wittern (2001)
      • Zschorlau
W. Krause et al. (2002)
Japan
 
  • Fukuoka Prefecture
    • Fukuoka City
Uehara et al. (2013) +1 other reference
  • Nagano Prefecture
    • Chino City
Akira Harada et al. (2010) +1 other reference
  • Shizuoka Prefecture
    • Shimoda City
      • Rendaiji
Takashi Yamada et al. (1999)
Namibia
 
  • Erongo Region
    • Karibib Constituency
      • Okongava Ost Farm 72
Bideaux
Portugal
 
  • Évora
    • Vila Viçosa
      • Nossa Senhora da Conceição e São Bartolomeu
Alves (2016)
Spain
 
  • Extremadura
    • Badajoz
      • Oliva de Mérida
Sainz de Baranda Graf et al. (2023)
Uganda (TL)
 
  • Central Region
    • Wakiso
      • Busiro Co. (Bushiro Co.)
von Knorring et al. (1962) +3 other references
UK
 
  • England
    • Cornwall
      • Linkinhorne
        • Minions
Mineralogical Record 19 +1 other reference
      • Lostwithiel
Clark et al. (1986) +1 other reference
      • St Enoder
        • Fraddon
Rust (1998) +1 other reference
      • St Just
        • Botallack
Golley et al. (1995)
      • Treverbyn
        • Stenalees
Golley et al. (1995)
USA
 
  • Wisconsin
    • Dodge County
Buchholz et al. (2007) +1 other reference
 
Mineral and/or Locality  
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