M-01 · Stone

Castlemaine Slate

Natural cleft

Castlemaine Slate

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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