Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Doyleite

Big Photo

Baoshan Prefecture, Yunnan Province, China
© fabreminerals.com

Show Doyleite Photos (15)
Formula:
Al(OH)
 
3
System:TriclinicColour:White, creamy-white, ...
Lustre:VitreousHardness:2½ - 3
Polymorph of:Bayerite, Gibbsite, Nordstrandite
This page provides mineralogical data about Doyleite.

Classification of Doyleite

IMA status:Approved
Strunz 8th edition ID:4/F.02-40
Nickel-Strunz 10th (pending) edition ID:4.FE.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
E : Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
Dana 8th edition ID:6.3.4.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
3 : X(OH)3
Hey's CIM Ref.:7.6.7

7 : Oxides and Hydroxides
6 : Oxides of Al
mindat.org URL:http://www.mindat.org/min-1316.html
Please feel free to link to this page.

Type Occurrence of Doyleite

Co-type Localities:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
Francon quarry, Montréal, Québec, Canada
Year of Discovery:1985

Physical Properties of Doyleite

Lustre:Vitreous
Colour:White, creamy-white, bluish-white
Hardness (Mohs):2½ - 3

Crystallography of Doyleite

Crystal System:Triclinic
Cell Parameters:a = 5.00Å, b = 5.17Å, c = 4.98Å
α = 97.5°, β = 118.6°, γ = 104.74°
Ratio:a:b:c = 0.967 : 1 : 0.963
Unit Cell Volume:V 104.37 ų (Calculated from Unit Cell)
Comment:Space group P-1 or P1
X-Ray Powder Diffraction:
d-spacingIntensity
4.794 (100)
4.296 (20)
4.182 (20)
2.360 (40)
1.972 (30)
1.857 (30)
1.842 (30)

Optical Data of Doyleite

Type:Biaxial (+)
RI values: nα = 1.545 nβ = 1.553 nγ = 1.566
2V:Measured: 77° , Calculated: 78°
Maximum Birefringence:δ = 0.021

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Doyleite

Formula:
Al(OH)
 
3
Essential elements:Al, H, O
All elements listed in formula:Al, H, O

Relationship of Doyleite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FE.05Amakinite
(Fe
2+
 
,Mg)(OH)
 
2
4.FE.05Brucite
Mg(OH)
 
2
4.FE.05Portlandite
Ca(OH)
 
2
4.FE.05Pyrochroite
Mn(OH)
 
2
4.FE.05Theophrastite
Ni(OH)
 
2
4.FE.10Bayerite
Al(OH)
 
3
4.FE.10Gibbsite
Al(OH)
 
3
4.FE.10Nordstrandite
Al(OH)
 
3
4.FE.15Böhmite
AlO(OH)
4.FE.15Lepidocrocite
γ-Fe
3+
 
O(OH)
4.FE.20Grimaldiite
CrO(OH)
4.FE.20Heterogenite
CoO(OH)
4.FE.25Feitknechtite
Mn
3+
 
O(OH)
4.FE.25Lithiophorite
(Al,Li)MnO
 
2
(OH)
 
2
4.FE.30Quenselite
PbMnO
 
2
(OH)
4.FE.35Ferrihydrite
Fe
 
5
O
 
3
(OH)
 
9
4.FE.40Feroxyhyte
Fe
3+
 
O(OH)
4.FE.40Vernadite
(Mn
4+
 
,Fe
3+
 
,Ca,Na)(O,OH)
 
2
 · nH
 
2
O
4.FE.45Quetzalcoatlite
Zn
 
6
Cu
 
3
(TeO
 
6
)
 
2
(OH)
 
6
·Ag
 
x
Pb
 
y
Cl
 
x+2y
Related Minerals - Hey's Index Grouping:

- +
7.6.1Corundum
Al
 
2
O
 
3
7.6.2Böhmite
AlO(OH)
7.6.2Diaspore
AlO(OH)
7.6.4Gibbsite
Al(OH)
 
3
7.6.5Bayerite
Al(OH)
 
3
7.6.6Nordstrandite
Al(OH)
 
3
7.6.8Akdalaite
4Al
 
2
O
 
3
 · H
 
2
O

Other Names for Doyleite

Synonyms:
IMA1980-041
Other Languages:
German:Doyleit
Russian:Дойлеит
Spanish:Doyleita

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 Doyleite

Reference List:Chao, G. Y., Baker, J., Sabina, A. P., and Roberts, A. C. (1985): Doyleite, a new polymorph of Al(OH)3, and its relationship to bayerite, gibbsite and nordstrandite.: Canadian Mineralogist: 23, 21-28.

American Mineralogist: 71: 845.

Zeitschrift für Kristallographie: 213: 96-100.

Internet Links for Doyleite

Search Engines:
  • Look for Doyleite on Google
  • Look for Doyleite images on Google
    • External Links:
  • Look for Doyleite on Webmineral
  • Look for Doyleite on Athena Mineralogy
  • Look for Doyleite on Wikipedia
  • Look for Doyleite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Doyleite in the Natural History Museum (London) online catalogue
  • Doyleite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Wendel Minerals - Auktion & Shop
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Buy minerals from Mineralium.com
  • Find Doyleite on www.crystalclassics.co.uk
  • Edwards Minerals - Fine Specimens
  • Buy Fine Minerals from mineralsweb.com
  • Wilensky Fine Minerals
  • Buy fine minerals and gemstones from Pala International
  • Buy Minerals and Crystals from Crystalarium.com
  • rare and unusual minerals mainly crystallized
  • Fine Minerals from Dan Weinrich Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Doyleite

    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.
    Bolivia
     
    • Potosí Department
      • Potosí City
    		Chris Stefano specimen
    Canada
     
    • Québec
      • Montérégie
        • Lajemmerais RCM
          • Varennes & St-Amable
            • Saint-Amable sill
    		Mineralogical Record: 29: 83.
        • Rouville RCM
          • Mont Saint-Hilaire
    		Can.Min.(1985) 23, 21-28, Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
      • Montréal
    		Canadian Mineralogist (1985): 23: 21-28.
    China
     
    • Yunnan Province
    		Fabre Minerals
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); WALENTA, K. (1993): Neue Mineralfunde von der Grube Clara (5. Folge). - Lapis 18 (1), 16-23; KOLITSCH, U. (1997): Uranosphärit und weitere neue Mineralfunde von der Grube Clara im Schwarzwald. Mineralien-Welt 8 (3), 18-26; KOLITSCH, U. (1997): Uranosphärit und weitere neue Mineralfunde von der Grube Clara im Schwarzwald. - Mineralien-Welt 8 (3), 18-26.
    Norway
     
    • Oppland
      • Lunner
        • Nordmarka
    		Raade, G. (2005): Gjerdingen-ekeritten, en unik mineralforekomst. Norsk Bergverksmuseum Skrift nr. 30, 2005, p 17
    South Africa
     
    • Northwest Province
      • Western Bushveld Complex
        • Brits District
    		Species list by Dr. Hans Börner
    UK
     
    • England
      • North Yorkshire
        • North Pennines
          • Pateley Bridge District
            • Greenhow
    		Young, B.; Ryback, G.; Braithwaite, R. S. W.; Francis, J. G. (1997): Prosopite, doyleite and otavite from Coldstones quarry, Pateley bridge, North Yorkshire. Mineral. Mag. 61, 895-897.
    USA
     
    • Nevada
      • Eureka Co.
        • Maggie Creek District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 25th Oct 2009 04:36:55