batu apiBahasa Indonesia

Someone who deliberately foments trouble

English: instigator, provoker, inciter, instigant, firebrand

Bahasa: penghasut, pengacum, penjuak

Less certain link between this word and this sense.

A hard kind of stone, a form of silica more opaque than chalcedony

English: flint

Less certain link between this word and this sense.

A sandstone that withstands intense heat, used to line fireplaces and furnaces and kilns

English: firestone

Less certain link between this word and this sense.