Corundum - Law Dictionary Search Results
Home Dictionary Name: corundumEmery
Corundum in the form of grains or powder used in the arts for grinding and polishing hard substances Native emery is mixed with more or less magnetic iron See the Note under Corundum...
Sapphire
Native alumina or aluminium sesquioxide Al2O3 corundum esp the blue transparent variety of corundum highly prized as a gem...
Corundum
The mineral alumina Al2O3 as found native in a crystalline state Transparent varieties are used as gemstones including sapphire which is the fine blue variety the oriental ruby or red sapphire the oriental amethyst or purple sapphire and adamantine spar the hair brown variety It is the hardest substance found native next to the diamond...
Ruby
A precious stone of a carmine red color sometimes verging to violet or intermediate between carmine and hyacinth red It is a red crystallized variety of corundum...
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