A source of lithia, which is a flux, that helps to develop copper blue tone glaze. Can replace feldspar and also reduces the vitrification temperature and shrinkage (contraction) rate in glazes and clays. Chemical grade from Australia. Almost all raw glazes contain kaolin and silica it is normally fairly easy to juggle recipe ingredients, using glaze chemistry, to replace lithium carbonate with spodumene (provided, of course, that the lithium carbonate percentage is not too high)Australia. Almost all raw glazes contain kaolin and silica it is normally fairly easy to juggle recipe ingredients, using glaze chemistry, to replace lithium carbonate with spodumene (provided, of course, that the lithium carbonate percentage is not too high).
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