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Black Slate

Price Group

1

Slab size:
Average size small slab: 2200x1200mm | Average size large slab: 2400x1500mm | Average m2 per slab: 4.5
Tile sizes:
300x300x10mm | 305x305x10mm | 600x400x10mm | 300x300x20mm | 600x600x10mm | 600x600x20mm
Available Finishes:
Polished | Honed | Flamed (lead times may apply) | Riven (lead times may apply) | Satinato (lead times may apply) | Sawn (lead times may apply) | Bush Hammered (lead times may apply) | Anticato (lead times may apply)
Other Names:
Black Italian Slate , Black Brazilian Slate , Italian Slate , Brazilian Slate , Ardesia Black Slate , Nero Ardesia Slate(Italy) , Pietra Ardesia (Italy) , Mustang Slate (Brazil)
Description

Product Description

Black Slate is a natural stone with a fine grain and homogeneous background displaying sedimentary rocks made from volcanic ash and clay, including random veins and mineral hints in subtle white tones.

Slate was used for taking notes in pubs and inns in England, where phrases such ‘blank slate’  or ‘ clean slate’  were originated.

This classic and volcanic natural stone is ideal for use in traditional and modern spaces, bringing the beauty of natural stone to any interior or exterior area including kitchens, bathrooms, living rooms, utility rooms and terraces, balconies and patio floorings.

Black Slate is quarried both in Italy and Brazil. These are the 2 main countries which take most the worldwide demand for slate destined to applications such as roofing, flooring, wall cladding and to a smaller scale, for kitchen worktops in properties that required an aged looked stone.

This stone is available in slabs of 20mm and 30mm thicknesses and finishes in polished and honed as standards. Other finishes include Aged, Bush hammered, Sandblasted and Tumbled.

Tiles are available for floorings; a matt finish will provide a softer look on this hardwearing natural stone.

Use of a neutral PH cleaner such as Lithofin Power Clean, for regular maintenance will protect the surfaces and ensure that no chemical damage takes places to both the stone the surface sealant that has been applied to the stone during its installation process.

Product Data

Product Data

Stone typeSlate
ColourBlack
CountryBrazil, Italy
Price Rating1
Thicknesses20mm, 30mm
Suitable forInteriors/Exteriors
Technical Information

Technical Information

Hardness6 to 7 on Moh's Scale
Density2.6 to 2.8 Kg/cm3
Compressive strength140 to 210 N/mm2
Modulus of Rupture15 to 25 N/mm2
Water Absorption 0.1-0.6%
Average WearLess then 1%
PorosityQuite low
WeatherImpact Resistant
Composition
Silica (SiO2) 70-75%
Al2O310-15%
CaO+MgOLess then 0.5%
FeO + Fe2O32-4%
Alkalies4-6%
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