Today to make a sculpture with Basalt stone v use tungsten carbide tipped tools as it is extremely difficult to carve even with iron or steel tools!
Watch this video to see what our ancestors have done with the same basalt black stone in 1213 CE!
What tools would they have used? pic.twitter.com/giuNi1yYDG
— V Gopalan (@TheGopalan) November 10, 2018