[ggm]

Price performance. If the failure mode is slow, then my sport (rowing) could love this for cheaper boat construction which is stronger than fibreglass but cheaper than carbon fibre. I imagine surfboards and kayaks could work too.

Being flexible and non conducting is useful.

[83]

Exactly this. I make kayaks and basalt would be the perfect middle ground between FG and carbon where the boat will get dinged up in rivers. Unfortunately its nearly impossible to obtain in small quantities for a hobbyist.