French Folding knife Couteau le Thiers, lava stone

French Folding knife Couteau le Thiers, lava stone.

French folding knife Le Couteau Thiers by artisan Gilles Regnaud, blade of stainless steel with nail notches and decorated spine, bolsters and liners of stainless steel, slipjoint lock system ornated. Awesome scales of lava stone (basalt) with a very soft touch.

These scales of volcanic rock comes from the extinct volcano le puy de Nugère located in Volvic - Auvergne (France, land of volcanoes. Rock dating back more than 12,000 years.This stone also called dark stone is light gray to dark gray is highly resistant and  and it is adapted to any change in temperature.