Difference between revisions of "Deltalumite"
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* [[Gemstone]] | * [[Gemstone]] | ||
* [[Leukosapphire]] | * [[Leukosapphire]] | ||
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| + | == External links == | ||
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| + | * https://www.wikidata.org/wiki/Q27013457 | ||
Revision as of 12:11, 30 August 2022
A polymorph of leukosapphire.
This compound/material/gemstone is interesting because normally Al2O3 forms leukosapphire (corundum structure).
Al2O3 Deltalumite (δ form of corundum, polymorph of sapphire) – tetragonal – Mohs ?? (likely quite hard) – [1]
