Petrographic description
Serizzo Formazza is a Granite quarried in Italy, catalogued in the Marmi di Carrara atlas under the international reference ICITGR00393. Its dominant tone is grey.
Like every granite, it is supplied as raw blocks, gangsaw slabs in 2 and 3 cm and cut-to-size pieces made in our Carrara plants. Recommended finishes: polished, honed, flamed, bush-hammered, leathered. Typical applications: kitchen worktops, exterior cladding and paving, stairs, monuments, high-traffic floors.
Availability varies with the quarry campaigns: before quoting we check current stock, block sizes and the selection grade, and we send photos of the actual slabs. Price and transport are confirmed by our technical office within one working day.
Serizzo Formazza: complete guide
Overview
Serizzo Formazza is a grey gneiss from Piedmont, characterised by light feldspar eyes on a dark background. It is a very hard-wearing Alpine stone, traditionally used for stairs, floors and outdoor areas.
History and origin
It is quarried in the area of Val Formazza and, more generally, the Ossola valley in northern Piedmont, an area historically bound up with stone. Commercially it is sold among the granites, but geologically it is a gneiss. Serizzo has been used for generations in Northern Italian construction, particularly for stairs, thresholds and paving. Marmi di Carrara supplies it on request.
Appearance
The background is grey, with eye-shaped light feldspar crystals and dark mica arranged in an oriented pattern. This structure gives a slightly directional pattern, which varies according to the cutting direction and between slabs. Polished, it highlights the contrast between the light eyes and the background; flamed or bush-hammered, it is more uniform and lighter.
Uses
It is widely used for stairs, indoor and outdoor floors, thresholds, window sills, cladding and kitchen worktops. It withstands frost well, so it is suitable for mountain areas. For large-format slabs it is advisable to assess the direction of the pattern before cutting.
Care and maintenance
Clean with a neutral detergent and water. A stain-proofing protector is recommended on worktops. Outdoors, periodic washing and, if necessary, moss removal are enough.
- Classification
- metamorphic rock (gneiss), commercially granite
- Density
- approx. 2,650 kg/m³ (indicative)
- Mohs hardness
- approx. 6-7
- Water absorption
- low
- Main use
- indoor and outdoor
- Acid resistance
- good
FAQ
Is Serizzo Formazza suitable for outdoor use?
Granite: excellent for façades, paving and stairs in any climate. Tell us the climate and exposure of the project and we will recommend the right finish and thickness.
What is the price of Serizzo Formazza per m²?
Indicative price from €75/m² for polished 2 cm slabs ex works Carrara, VAT excluded. The final figure depends on selection, block size, finish and quantity; a personalised quote is free.
How is Serizzo Formazza shipped from Italy?
Slabs travel in wooden A-frames inside 20-foot containers (about 25 tonnes); blocks ship loose or in open-top containers. We quote FOB, CIF or door-to-door to any port or site.
