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Gneiss Castione Scuro
Gneiss Castione Scuro
Guide

Castione Scuro Gneiss: complete guide

Castione Scuro Gneiss is a dark grey stone from Ticino, compact and very hard-wearing. It is chosen when a deep-toned Alpine material is wanted for floors, stairs and façades.

History and origin

It comes from the canton of Ticino, in Switzerland, a region where gneisses have always been the traditional building stone for houses, walls, roofs and paving. The dark variety stands out for its more intense colour compared with the more common grey gneisses. Today it is used in contemporary architecture both indoors and outdoors. Marmi di Carrara supplies it on request.

Look and veining

The background is dark grey, with dense black and silvery micas and thin light bands of quartz and feldspar. The linear pattern is more evident in vein-cut slabs and more speckled when cross-cut. Polished or honed, it becomes deep and almost anthracite; flamed or brushed, it lightens slightly and gains grip.

Technical properties (indicative)

Classificationgneiss (metamorphic rock)
Densityapprox. 2,700 kg/m³ (indicative)
Mohs hardnessapprox. 6-7
Water absorptionvery low
Main useindoor and outdoor
Acid resistancegood; withstands frost well

Recommended uses

Suitable for floors, stairs, thresholds, cladding, kitchen and bathroom worktops, outdoor paving and street furniture. Its dark tone is ideal for contrasts with light walls and for interiors with character.

Care and maintenance

Clean with water and neutral detergents; on polished surfaces avoid waxy products that leave marks. A stain-proofing product is recommended on kitchen worktops to protect against oils and grease.

Pairings

  • white marble or light plaster in contrast
  • natural oak
  • copper and brushed brass

FAQ

Does the dark colour show dirt a lot?

Polished finishes show dust and fingerprints more than brushed or flamed ones, which hide signs of use better.

Is it suitable for outdoor use?

Yes, it withstands frost and traffic well; for outdoor use rough non-slip finishes are recommended.

Can it be used for a kitchen worktop?

Yes, it is hard and acid-resistant; it is advisable to treat it with a stain-proofing product.

How do I order it?

On request: tell us the dimensions and finish and we will send you a quotation with photos of the slabs.

Gneiss Castione Scuro: available on request

We supply this stone as blocks, slabs, tiles and custom-made pieces. Tell us size, thickness and quantity: we will send photos of the available slabs and a quote within 24 hours.

Technical sheet and price list → Marble guides

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