Ride the lightning with magnetic rock and iron staining Machined stone can be detected by visual observation but what’s going on throughout the stone can be invisible. Faceted marble obelisk and machined basalt. Machined basalt and tigers-eye quartz hexadecagon. The basalt I have tested in my backyard is magnetic. Basalt cools quickly after a volcanic […]
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machining basalt Ancient ultrasonic machining of stone by Jeff Appling. Any size stone can be cut and faceted given the size machine, equipment, and knowledge. 16 perfect flat facets, fully polished on basalt rock. Hexadecagon. Faceted basalt Inside the shore temple Mahabalipuram, India. The above large faceted basalt with 16 equal sides is located at
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