Ceylonite

Ceylonite was named after the island of Ceylon. It is a ferroan Spinel with a ratio Mg:Fe from 3:1 and 1:1, and little or no ferric iron.
General Information
A variety or type of:Spinel
Chemical Formula
(Mg,Fe
2+
 
)Al
 
2
O
 
4
Gemdat.org, Management Team (2012)
More from other references
Mohs Hardness
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