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Creation is Messy – check out their Colour Palette pages for a wealth of info on all their colours.
Mind Melt by Melanie Graham – “104 COE Glass Colour Testing Results and Musings”
Dragonjools by Dwyn Tomlinson – “Breathe fire and melt glass. New Product Reviews. Useful info for Lampworkers.”
Beads by Laura – Laura Sparling’s blog
Heather Kelly – Lots of CiM colour testing