On your found Living Jewel, Pete... I think I'd filter all of the glitter and small pieces out, and then replace with new glitter. I believe the Living Jewel glitter is the same size as my large holo square glitter. I also have some large non-holo square glitter coming tomorrow for testing. Non-holo is probably more original to the Living Jewel. I'd be happy to post some to you.
A funnel and coffee filter work well for filtering the liquid.