doyleite
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Doyleite is a rare aluminum trihydroxide mineral named in honor of its discoverer, the Canadian physician Earl Joseph (Jess) Doyle. It was first definitively described in 1985 (although a partial description was published in 1979) and it is approved by the IMA. It was described from Mont Saint-Hilaire, where it is extremely rare.
Key facts
- Mineral.boxbgcolor
- 58a684
- Mineral.boxtextcolor
- fff
- Mineral.image
- Doyleite-Gibbsite-fiu01a.jpg
- Mineral.formula
- Al(OH)3
- Mineral.IMAsymbol
- Doy
- Mineral.strunz
- 4.FE.10
- Mineral.system
- Triclinic
- Mineral.dana
- 6.3.4.1
- Mineral.symmetry
- P or P1
- Mineral.unit cell
- 104.37
- Mineral.molweight
- 78
- Mineral.color
- White, creamy-white, bluish-white
- Mineral.cleavage
- Perfect on {010} Distinct on {100}
- Mineral.mohs
- 2.5 - 3
- Mineral.luster
- Vitreous
- Mineral.opticalprop
- Biaxial (+)
- Mineral.refractive
- nα = 1.545 nβ = 1.553 nγ = 1.566
- Mineral.birefringence
- 0.021
via Wikipedia infobox
Wikidata facts
- Image
- Doyleite-Gibbsite-fiu01c.jpg
Show 5 more facts
- Commons category
- Doyleite
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 4.FE.10
- Nickel-Strunz 9th edition (updated 2009)
- 4.FE.10
- IMA Mineral Symbol
- Doy
- chemical formula
- Al(OH)₃
via Wikidata · CC0
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Article
3 sectionsContents
- Properties
- Mining and environment
- References
{{Infobox mineral|boxbgcolor=#58a684|boxtextcolor = #fff|image=Doyleite-Gibbsite-fiu01a.jpg|formula=Al(OH)3| IMAsymbol = Doy |strunz=4.FE.10|system=Triclinic|dana=6.3.4.1|symmetry=P or P1|unit cell=104.37|molweight=78|color=White, creamy-white, bluish-white|cleavage=Perfect on {010} Distinct on {100}|mohs=2.5 - 3|luster=Vitreous|opticalprop=Biaxial (+)|refractive=nα = 1.545 nβ = 1.553 nγ = 1.566|birefringence=0.021|2V=Measured: 77° Calculated: 78°|dispersion=None|streak=White}}
Doyleite is a rare aluminum trihydroxide mineral named in honor of its discoverer, the Canadian physician Earl Joseph (Jess) Doyle. It was first definitively described in 1985 (although a partial description was published in 1979) and it is approved by the IMA. It was described from Mont Saint-Hilaire, where it is extremely rare.
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via Wikidata sitelinks · CC0