Pearlash is baked from potash at a kiln (uses 1 fuel) or magma kiln by a dwarf with the furnace operator labor enabled. Its sole use is in the manufacture of clear glass and crystal glass items. Pearlash in real life
[MATERIAL:PEARLASH] - reconstructed from data extracted from memory [STATE_COLOR:ALL:WHITE] [STATE_NAME_ADJ:ALL_SOLID:pearlash] [STATE_NAME_ADJ:SOLID_PASTE:pearlash paste] [STATE_NAME_ADJ:SOLID_PRESSED:pressed pearlash] [BASIC_COLOR:7:1] [BUILD_COLOR:7:0:1] [TILE_COLOR:7:7:1] [MATERIAL_VALUE:4] [SPEC_HEAT:800] [SOLID_DENSITY:1200]
Pearlash comes in bars, stored in a bar stockpile and viewable in the stocks screen under "bars".