...y spaces of the fissures, there comes a great glow and the stone is made to burn as fiercely as do the particles of fire itself. 3. There are also several quarries called Anician in the territory of Tarquinii , the stone being of the colour of peperino. The principal workshops lie round the lake of Bolsena and in the prefecture of Statonia. This stone has innumerable good qualities. Neither the season of f...