Ontario, Canada

An insignificant quantity of gem-quality sapphires was found in syenite pegmatites within the belt of alkaline rocks in Ontario (Field, 1951).

Gemstone List

Gem list contains entries from all listed localities in region.


Localities in this Region

Canada
Canada
  • Ontario
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  • Ontario
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    • Thunder Bay District
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      • McTavish Township
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  • Ontario
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    • Timiskaming District
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      • Cobalt-Gowganda region
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