It's also worth noting that stone takes more room than lava, so while the changement is ongoing, the level in the crucible will steadily fall. The level stops falling when there is no more stone. I always made gunpowder a furnace fuel and 9 arrows craft into an iron nugget. https://paco-rabanne-femme99988.wssblogs.com/34044929/5-techniques-simples-de-parfum-maroc