Here is a gorgeous marble glass by Ethan Lesch made of borosilicate glass and fumed with 24K gold & 99.99% silver. It looks gorgeous on its own but you can use it with a marblescope to view amazing patterns.
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1.49" Art Glass Marble by Ethan Lesch 💎 Gadgetify
These are handmade and unique. You can find them on eBay.
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