M-01 · Stone
Castlemaine Slate
Natural cleft

Origin
Castlemaine, Central Victoria
Why we use it
A dense metamorphic stone with deep blue-grey tone and a subtle rust oxidation that emerges over years. We use it for walls, treads, and edges where weight and quietness are both required.
Weathering
Develops a fine, almost imperceptible patina over five to ten years. Iron seams oxidise into warm ochre lines.
Maintenance
None required. Wash with clean water annually. Never seal.
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