Negro Tezal Granite

Grey - Granite

Spain

About

Item Details

Material Type:: Granite
Origin:: Spain (Santa Olalla (Huelva), El Pedroso, Sevilla, Andalucia) Santa Olalla (Huelva),El Pedroso, Sevilla, Andalucia
Primary Color(s):: Grey
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, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, pavers, cobbles, curbstone
Additional Names:: Nero Tezal Granite, Black Tezal Granite, Tezal Granite, Granito Negro Tezal, Negro Tezal, Negro Tezal Granite
Finished Surface:: Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:: 0.11 By weight %
Density:: 2790 kg/m3
Flexural Strength:: 12.2 MPa
Compressive Strength:: 103 -106 MPa
Stone texture:: Negro Tezal Granite is for its deep black to dark gray base color with subtle mineral grains and occasional light speckles Color: Deep black to charcoal gray Texture: Fine to medium crystalline granular texture Veining/Pattern: Mostly uniform with minimal speckling; gives a clean, contemporary look

Description

Color:Deep black to charcoal gray base color with subtle mineral grains and occasional light speckles.

Texture:Fine to medium crystalline granular texture.

Veining/Pattern:Mostly uniform with minimal speckling, providing a clean and contemporary appearance.

Quarry Locations:Quarried in Spain, specifically in Santa Olalla (Huelva) and El Pedroso, Sevilla, Andalucia.

Physical and Mechanical Properties

Water Absorption:0.11% by weight.
Density:2790 kg/m³.
Flexural Strength:12.2 MPa.
Compressive Strength:Ranges from 103 MPa to 106 MPa.
Hardness:Generally high, as expected from granite, which makes it resistant to scratches and abrasion.
Porosity:Low porosity, contributing to its durability and low water absorption rate.
Slip Resistance:Depends on the surface finish, with polished surfaces being less slip-resistant compared to honed or flamed finishes.

Chemical and Mineral Composition

Quartz:Approximately 20-40% by weight.
Feldspar:Including both potassium feldspar and plagioclase, typically making up about 40-60%.
Biotite and/or Hornblende:5-10% by weight, contributing to the darker color.
Other Minerals:Small amounts of other minerals like muscovite or pyrite can be present, influencing speckling and minor variances in appearance.

Usage

Interior Applications:Countertops, flooring, wall cladding, staircases, and other architectural elements.
Exterior Applications:Facades, paving stones, and cladding due to its durability and weather resistance.
Monuments and Memorials:Frequently used due to its aesthetic appeal and long-lasting nature.

Maintenance

Regular Cleaning:Use pH-balanced cleaners; avoid harsh chemicals to preserve the stone.
Sealing:Recommend periodic sealing to enhance stain resistance, especially in high-use areas such as kitchens and bathrooms.
Repair:Professional repair suggested for chips or deep scratches due to the stone’s high hardness.

Surface Finish Options

Polished:High gloss finish, enhancing the stone's color and natural pattern.
Honed:Matte finish, providing a smooth, less reflective surface.
Flamed:Rough texture, enhancing slip resistance and making it suitable for exterior use.
Bush-Hammered:Textured finish achieved by mechanically hammering, increasing slip resistance.

Negro Tezal Granite, with its aesthetic appeal and exceptional physical properties, is a versatile material suited for both residential and commercial projects, offering elegance and durability in a wide array of applications.

Physico-mechanical Properties

Bulk Specific Gravity: 2.79 g/cm³
Coefficient of Absorption: 0.11 %
Compressive Strength: 103.6 MPa (101.6 kgf/cm²)
Flexural Strength: 12.0 MPa (122 kgf/cm²)
Friction Wear Resistance: 1.5 mm
Impact Strength: 62 cm
Freezing Test Modulus: 0.02 %
Thermal Shock Resistance: Pass (0% mass loss or damage reported)

FAQ

Can Spain's Negro Tezal Granite be used exterior applications in very humid climates?

Yes, Spains Negro Tezal Granite can be used for exterior applications in very humid climates. Granite is known for its durability and ability to withstand various weather conditions, including high humidity. However, it is important to note that proper installation and maintenance are crucial for any natural stone in humid climates to prevent potential issues such as staining or discoloration.

Can Spain's Negro Tezal Granite be used in wall coverings?

Yes, Spains Negro Tezal Granite can indeed be used in wall coverings. Granite is a popular choice for wall coverings due to its durability, natural beauty, and wide range of colors and patterns. Negro Tezal Granite, with its black color and unique veining, can create a stunning and elegant look when used as a wall covering material. It is often used in both residential and commercial projects, giving a luxurious and timeless appearance to interior or exterior walls.

What is the coefficient of friction of Chiseled Spain's Negro Tezal Granite tiles?

The coefficient of friction for Chiseled Spains Negro Tezal Granite tiles may vary depending on the specific texture and surface finish of the tiles. It would be best to consult the manufacturer or supplier of the tiles for accurate information on the coefficient of friction.

Are there color variations of Spain's Negro Tezal Granite?

Yes, there can be some variations in color when it comes to Spains Negro Tezal Granite. While the predominant color is typically black, you may find variations such as dark grey, deep blue, or even some occasional speckles or veins of light grey or white. These natural variations in color and patterning are characteristic of granite and can add to the uniqueness and beauty of the stone.

Can Spain's Negro Tezal Granite be used in a living room?

Yes, Spains Negro Tezal Granite can be used in a living room. Granite is a durable and versatile natural stone that is commonly used for countertops, flooring, and other surfaces in various rooms of a house, including living rooms. Negro Tezal Granite, with its black color and unique patterns, can add a sleek and elegant touch to the living room decor. It can be used for fireplace surrounds, coffee tables, accent walls, or even as flooring. Additionally, the hardness and resistance of granite make it suitable for high-traffic areas like living rooms, ensuring its long-lasting beauty.

What grade is Spain's Negro Tezal Granite?

Spains Negro Tezal Granite does not have an official grade assigned to it. The grading of granite usually depends on factors such as color, veining, and overall quality, which can vary from supplier to supplier. It is best to check with a specific supplier or manufacturer for the grade of their particular Negro Tezal Granite.

How thick is Spain's Negro Tezal Granite slabs?

The thickness of Spains Negro Tezal Granite slabs can vary depending on the specific production and customer requirements. However, typical thickness options for granite slabs range from 2 cm (0.78 inches) to 3 cm (1.18 inches).

Is Spain's Negro Tezal Granite an expensive stone?

I do not have access to real-time market information and specific prices of granites. However, in general, granite is considered a luxurious and premium material, and its cost varies depending on many factors such as availability, color, origin, demand, quality, and supplier. Therefore, it is possible that Negro Tezal granite from Spain might be expensive but it is best to check with a local supplier or contractor for current pricing.