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Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Ayatite

A synonym of Corundum
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Formula:
Al2O3
Name:
Finely-dispersed corundum. A russian name.
Synonym:
A synonym of Corundum
This page provides mineralogical data about Ayatite.


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Unique IdentifiersHide

Mindat ID:
6763 (as Ayatite)
1136 (as Corundum)
Long-form identifier:
mindat:1:1:6763:4 (as Ayatite)
mindat:1:1:1136:1 (as Corundum)

Similar NamesHide

AmatiteA variety of OpalSiO2 · nH2O
ApatiteA group of related mineral speciesCa5(PO4)3(Cl/F/OH)
Apatite-(CaCl)A synonym of ChlorapatiteCa5(PO4)3Cl
Apatite-(CaF)A synonym of FluorapatiteCa5(PO4)3F
Apatite-(CaOH)A synonym of HydroxylapatiteCa5(PO4)3(OH)
Apatite-(CaOH)-MA synonym of Hydroxylapatite-MCa5(PO4)3OH
Apatite-(SrOH)A synonym of FluorstrophiteSrCaSr3(PO4)3F
Ayasite
OuatiteA synonym of Wad

Internet Links for AyatiteHide

References for AyatiteHide

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