Dia 33mm (1.3")
Silver Fumed vortex glass marble showing blues with a dark blue backing.
A marble with green/aqua dichroic , as the twist catches the light it shines blues, greens and aqua, backed with Northstar Galaxy black .
Dia 36mm (1.5")
Our new Double Helix video tutorial is available for just £5.00 , nearly an hour of advice, demos and tips on how to get the best results from Double Helix.
