On the Mohs scale of mineral hardness, basalt scores a six – meaning it’s harder than platinum or iron.
Is basalt rock hard or soft?
Basalt is a hard, black volcanic rock. Basalt is the most common rock type in the Earth’s crust.
Is basalt stone hard?
It’s a hard stone meaning it doesn’t scratch easily from normal use. Because of its monochromatic charcoal to black color it can be used in multiple applications for both the residential and commercial industry. Being volcanically formed it is also able to withstand tremendous amounts of heat.