Take a look at the Caedentes Clan Lavastone bead bracelet collection. 10 and 12mm bracelets for men. Lava Stone, (also known as Basalt, or Lava Rock) is an igneous volcanic rock. It has solidified from molten lava, after conditions of intense heat and pressure. The Lava Stone is a grounding stone that strengthens one’s connection to mother earth. it gives us strength and courage allowing us stability through times of change.