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Doyleite

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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
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Type Occurrence of Doyleite

Co-type Localities:Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu 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
Simplified for copy/paste: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
3+
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
Simplified Chinese:水铝石
Spanish:Doyleita
Traditional Chinese:水鋁石

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.

CLARK, G.R., ROGERS, K.A., and HENDERSON, G.S. (1998) The crystal chemistry of doyleite, Al(OH)3. Zeitschrift für Kristallographie, 213 (2), 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 Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Doyleite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Lapis Mineral Magazin
  • Buy RARE Minerals from Rocks of Africa
  • SpiriferMinerals.com - high quality low prices
  • Find Doyleite on www.crystalclassics.co.uk
  • Buy fine minerals and gemstones from Pala International
  • Rare and Unusual minerals at Mineralogical Research Company
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy from David K Joyce minerals
  • Wilensky Fine Minerals
  • Fine minerals from bisbeeborn.com
  • The Arkenstone - Fine Minerals
  • Fine and rare minerals from mintreasure.com
  • Specimens:The following Doyleite specimens are currently listed for sale on minfind.com.

    Localities for Doyleite

    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
        • La Vallée-du-Richelieu RCM
          • Mont Saint-Hilaire
    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. Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record, 21, 284-359.
        • Lajemmerais RCM
          • Varennes & St-Amable
    HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
    Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
      • Montréal
    CHAO, G.Y., BAKER, J., SABINA, A.P., and ROBERTS, A.C. (1985) Doyleite, a new polymoprph of Al(OH)3, and its relationship to bayerite, gibbsite and nordstrandite. Canadian Mineralogist, 23, 21-28. TARASSOFF, P., HORVÁTH, L. and PFENNINGER-HORVÁTH, E. (2006) Famous mineral localities: the Francon quarry, Montréal, Québec. Mineralogical Record, 37, 5-60.
    China
     
    • Fujian Province
      • Fuzhou Prefecture
        • Jin'an District
          • Shoushan
    Zilong Wu (2003): Geology of Fujian 22(3), 125-130
    • Hubei Province
      • Xianning Prefecture
        • Jiayu Co.
    Songsheng Li (1993): Geology and Prospecting 29(1), 12-15
    • Jiangsu Province
      • Suzhou Prefecture
        • Huqiu District
    Kecong Han and Shengyun Ma (1985): Mineral Deposits 4(2), 58-68
    • Yunnan Province
    Fabre Minerals
      • Qujing Prefecture
        • Huize Co.
    Dongmei Tang, Zhuangzhi Qian, Zhengjun Zhang, and Shuguang Hou (2006): Mineral Deposits 25(suppl.), 371-374
    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
     
    • North West Province
      • Bojanala Platinum District
        • Western Bushveld Complex
          • Brits (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.
        • Carlin Trend
          • Maggie Creek Subdistrict
    NBMG Spec. Pub. 31 Minerals of Nevada
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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