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Answers / The material itself

What is the difference between a Coffee Wood Marble block and a slab?

A block is the piece that comes out of the quarry, roughly rectangular and unsawn on its faces. A slab is what the block becomes at the saw: one face polished, the block cut into boards of a given thickness, each with the figure running the length of it.
A row of roughly six squared stone blocks standing in the sand at the foot of a quarry, each one cut flat and marked with a red number on its face. Behind them the quarry is cut into benches up the hillside, and wind turbines stand on the ridge above under a blue sky.
The cutting floor at the quarry, with the sawn blocks standing in the sand.
A quarry face with the beds marked up by hand in coloured paint. Reading from the top the marks say: 1 white vein, 2 elegant black, 3 grey wood grain, 4 coffee, 5 elegant black, 6 elegant black, 7 black and white, with the red outline around the overburden at the top of the face. Coffee Wood Marble is the fourth bed down.
The face of the quarry with the beds marked in the field.
Marble slabs standing upright on wooden frames inside the open back of a shipping container, strapped and ready to load
Slabs loaded for shipment.

Reference photographs. They show the material and the finish; they are not photographs of goods we made, and the colour on screen is not a colour-match.

The figures, and where each one comes from

Block Slab
What it is As quarried, roughly dressed Sawn from the block and polished on one face
Size About 1.5–2.5 m long, 0.6–1.5 m wide 2400 × 1600 mm, or to the block
Thickness Several hundred millimetres 18, 20 or 30 mm
The figure Only visible on the sawn ends Running the length of the slab
What it becomes Cut into slabs Tiles, panels, tops, steps

Why it behaves the way it does

A block is the whole of the story of the stone and a slab is one reading of it. The block carries the figure in three dimensions, and the saw decides which plane through it the room will see — which is why the choice of block and the choice of cut happen together.

What these figures are, and what they are not

We supply slabs and cut-to-size, and we buy blocks. We do not supply rough blocks.

If you are specifying this

We have not published products against this question yet. Send us the process, thickness and quantity and we will quote it against what we can actually form, rather than against a catalogue.

Send a specification Ask for a sample

A block is the piece that comes out of the quarry, roughly rectangular and unsawn on its faces. A slab is what the block becomes at the saw: one face polished, the block cut into boards of a given thickness, each with the figure running the length of it.

The figures

Block Slab
What it is As quarried, roughly dressed Sawn from the block and polished on one face
Size About 1.5–2.5 m long, 0.6–1.5 m wide 2400 × 1600 mm, or to the block
Thickness Several hundred millimetres 18, 20 or 30 mm
The figure Only visible on the sawn ends Running the length of the slab
What it becomes Cut into slabs Tiles, panels, tops, steps

Why

A block is the whole of the story of the stone and a slab is one reading of it. The block carries the figure in three dimensions, and the saw decides which plane through it the room will see — which is why the choice of block and the choice of cut happen together.

What these figures are, and what they are not

We supply slabs and cut-to-size, and we buy blocks. We do not supply rough blocks.

Where this applies on this site