Cuts a medium stone into a crucible (10mins) or a nail mould (7 mins).
When upgraded, cuts a Oyster Shell Marble into 8 [Marble Dust]? (1 hour) or a White Alabaster into a Marble Mortar in 30 min
Built: in a compound, uses 8x9 cells
Skill/Tech required: Stonemasonry
Upgraded: by holding a copy of the 'Instructions: Mason's Bench Upgrade' which is printed on a suitably equipped Certificate Press, along with 500 Powdered Diamonds, and clicking on a mason's bench and then "Upgrade this Mason's Bench to cut marble".