About
Material Type: Marble
Origin:
Spain
(Aulestia o Murélaga (Aulesti), provincia de Vizcaya, País Vasco)
Priamry Color(s): Black
Accent Color(s): Black,White
Recommended Usage:Kitchen and bathroom countertops, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, window sills, wall and pool copings
Additional Names:Black Markina Marble,Black Marquina,Nero Marquina Venato Marble,Nero Marquine Marble,Nero Marquinia Marble,Black Marquinia Marble,Marquina Marble,Marquinia Marble,Negro Bilbao Marble,Negro Markina Marble,Negro Marqina Marble,Negro Marquino Marble,Nero Bilbao Marble,Nero Markina Marble,Negro Marquina Marble,Nero Marqina Marble,Noir Marquina Marble,Prete Marquinia Marble,Preto Marquina Marble,In China Stone Market:黑白根(Hēibái Gēn)
Finished Surface:Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
Water Absorption:0.15-0.2 %
Density:2680 kg/m3
Flexural Strength:13.3 - 14.4 MPa
Compressive Strength:61.7 - 62.9 MPa
Description
Nero Marquina Marble, also known as Marquina Black Marble or simply Nero Marquina, is a type of marble that originates from the region of Markina (Marquina) in the Basque Country of northern Spain. It is named after the town where it is quarried.
Nero Marquina Marble is highly prized for its distinctive deep black color and its characteristic white veining. The veins can vary in thickness and pattern, ranging from fine and subtle to bold and dramatic. The contrast between the black background and the white veins creates a striking visual effect, making it a popular choice for both interior and exterior applications.
This type of marble is widely used in various architectural and design projects, such as flooring, wall cladding, countertops, and decorative accents. Its elegance and timeless appeal make it a sought-after material in the world of interior design. Nero Marquina Marble adds a touch of sophistication and luxury to any space.
PETROGRAPHIC DESCRIPTION (UNE EN 12407:2007) Dark tone with irregular white veins compact. Fine grain. Biomicrite.
(UNE-EN 1936:2007) 2680 kg/m3 Apparent density
(UNE-EN 1936:2007) 0,2% Open porosity
(UNE-EN 12372:2007) 14,4 MPa Flexural strength
(UNE-EN 1926:2007) MPa Compressive strength
(UNE-EN 13755:2008) 0,1 % Water absorption at atmospheric pressure
(UNE-EN 1341:2002) 21,5 mm Abrasion resistance
(UNE-EN 14231:2004) 45 USRV Slip resistance
(UNE-EN 12371:2002) 11,9 MPa Flexural strength after frost resistance (12 cycles)
(UNE-EN 12371:2002) 11,9 MPa Flexural strength after frost resistance (56 cycles)
(UNE-EN 14066:2003) 0,57% (Peso WEIGHT) Thermal shock resistance (20 cycles)- (Ed)
(UNE-EN 13364:2002) 2200 N Breaking load at a dowel hole
(UNE-EN 14581:2006) -. C-1 Coefficient of linear thermal expansion
(UNE-EN 1925:1999) (PND*) g/m2·s0,5 Water absorption
* PND: no se hace capilaridad si la porosidad < 1%
Mohs Hardness Scale: 3.0-4.0
Mineralogical Composition, % wt:
- Calcite: 90%
- Dolomite: 5%
- Graphite: 5%
Chemical Analysis:
- Calcium oxide (CaO): 52.5%
- Magnesium oxide (MgO): 3.2%
- Aluminum oxide (Al2O3): 0.7%
- Iron(III) oxide (Fe2O3): 6.5%
- Silicon dioxide (SiO2): 33.9%
- Titanium dioxide (TiO2): 0.2%
- Sodium oxide (Na2O): 0.1%
- Potassium oxide (K2O): 1.0%
- Manganese oxide (MnO): 0.2%
- Phosphorus pentoxide (P2O5): <0.01%
- Sulfur trioxide (SO3): <0.01%
Note: The composition may vary slightly depending on the specific sample of Nero Marquina marble.
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