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Designed and crafted in the U.S.A. by California glass artist Mark Black

This one-of-a-kind borosilicate glass marble measures 28mm in diameter (1.1").
Made with durable PYREX for years of enjoyment. Kiln-fired & annealed for structural integrity. Click on the photos above for a 360° view.

Internal features: a spiral vortex of aqua blue & violet purple.

Check out the backing on this marble! Surface work: experiments with raking and pinwheels. Copiously decorated with purple, aqua blue, and golden amber.

Discreetly signed with my initials and the year the piece was made: MB 08, using an indelible titanium scribe. This insures you an original, collectible piece of artwork.

Thank you for supporting a small business owned & operated by independent glassblowers.

FREE SHIPPING worldwide via: 1st class USPS or International Air Letter Post (no extra charge for additional marbles). Priority and Express shipping options available at checkout.

Mark Black SRA #B128