Sand Refinery

The Sand Refinery makes Silica: 1.33 t per minute (1 t every 45 s) at 100% productivity.

Stats by province

Province	Cycle	Output t/min	Inputs	Upkeep (Denarii)	Workforce	Needs
Latium	45 s	1.33 Silica	None	10	5 Plebeians	Free space
Albion	45 s	1.33 Silica	None	10	5 Mercators	Free space
Aegyptus	45 s	1.33 Silica	None	10	5 Threshers	Free space

Input amounts are per minute at 100% productivity. Upkeep and workforce are the building's listed maintenance.

Silica is not a resident need; it goes into other buildings.

Specialists work on buildings in their range. Effects are the base values from the game data.

Specialist	Rarity	Effect
Artisan Allsmelter	Rare	Productivity +20%
Isidora, Kalasiris ClothierDawn of the Delta	Epic	Productivity +35%
Rhea Proserpina, Dis Mater	Epic	Workforce -40%
Servia Bellia, Lily of the Coast	Epic	Productivity +25%
Macrobius Minucianus, Microcosmologist	Legendary	Productivity +20% Workforce -10%
Orphelia, Orator of the Long DarkProphecies of Ash	Legendary	Productivity +50% Workforce -50%

Dawn of the Delta: Aegyptus zones, floods, irrigation and pathsSection: New chains. Aegyptus in Anno 117: Farmland, Floodplains and the Arid Zone, the flood and harvest seasons, canals and the Granary, Threshers' two paths and the new goods for Latium and Albion.

Game data: anno-mods Anno 117 Calculator params.js, release 4.0 (5 Nov 2026): cycle, inputs, upkeep, workforce and specialist effects (Update 3.0 with Dawn of the Delta (5 November 2026)).