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Gris Estrella Granite

Gris Estrella Granite

Grey - Granite

Spain

About

Item Details

Material Type:
Granite
Origin:
Spain
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:
Estrella Grey Granite, Grey Estrella Granite, Granito Gris Estrella, Gris Estrella, Gris Estrella 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:
0.15 - 0.34%
Density:
2680 - 2720 kg/m³
Flexural Strength:
10 - 13 MPa
Compressive Strength:
170 - 190 MPa
Stone texture:
characterized by a predominantly grey background that ranges from light to medium grey tones, often enriched with subtle white speckles and darker mineral grains that create a balanced and elegant salt-and-pepper visual effect. The stone may also display minor variations with small black and white crystalline flecks and occasional faint bluish or greenish undertones, depending on the quarry section, which add depth while maintaining an overall uniform appearance. Structurally, Gris Estrella Granite exhibits a medium-grained crystalline texture composed of tightly interlocking mineral crystals, typical of durable granites, resulting in a dense and compact stone with a consistent granular pattern and refined natural character suitable for both interior and exterior architectural applications.

Description

Gris Estrella Granite, quarried in Spain, is renowned for its elegant grey background with light to medium grey tones. It features subtle white speckles and darker mineral grains, creating a salt-and-pepper effect. Occasionally, it shows faint bluish or greenish undertones. This granite is medium-grained with tightly interlocking crystals, ensuring durability for various architectural applications. Below are the details on its physical and mechanical properties, chemical and mineral compositions, usage guidelines, and finishing options.

Physical and Mechanical Properties

  • Water Absorption: Typically low, ranging from approximately 0.15% to 0.34%.
  • Density: Generally around 2,680 to 2,720 kg/m³.
  • Flexural Strength: Typically ranges from 10 to 13 MPa.
  • Compressive Strength: Usually between 170 and 190 MPa.
  • Hardness: Mohs scale rating of about 6 to 7, indicating significant scratch resistance.
  • Porosity: Low porosity, contributing to its durability and resistance to weathering.
  • Slip Resistance: Varies depending on the finish, but generally provides good slip resistance, especially when rough-textured or flamed finishes are applied.

Chemical and Mineral Compositions

Mineral Composition (% by weight):

  • Quartz: 25-35%
  • Feldspar (Plagioclase and K-Feldspar): 50-60%
  • Biotite/Mica: 5-10%
  • Other minerals (including minor accessory minerals): 1-5%

Chemical Composition (% by weight):

  • Silica (SiO2): ~70%
  • Alumina (Al2O3): ~14%
  • Potassium Oxide (K2O): ~4%
  • Sodium Oxide (Na2O): ~4%
  • Iron Oxide (Fe2O3): ~2%
  • Other oxides: balance

Usage

  • Interior Applications: Suitable for countertops, flooring, wall cladding, and decorative features due to its aesthetically pleasing appearance and durability.
  • Exterior Applications: Ideal for facades, paving, and monuments, providing weather resistance and structural stability.

Maintenance

  • Cleaning: Use a pH-neutral cleaner for regular maintenance to avoid damage.
  • Sealing: Periodic sealing is recommended to enhance the stone's resistance to staining and moisture penetration.

Surface Finish Options

  • Polished: Provides high gloss and enhances color, ideal for interior use.
  • Honed: Offers a smooth, matte finish for a more subtle appearance.
  • Flamed: Rough texture for slip resistance, suitable for outdoor applications.
  • Bush-hammered: Creates a rugged surface with enhanced traction and aesthetic appeal.
  • Leathered: Offers a soft sheen with a tactile surface, ideal for countertops.

In conclusion, Gris Estrella Granite offers a unique blend of beauty and utility, making it a versatile choice for a variety of architectural applications. Through its inherent qualities and diverse finishes, it accommodates both aesthetic and functional needs.

FAQ

Can Spain's Gris Estrella Granite be used exterior applications in cold climates?

Yes, Spains Gris Estrella Granite can be used for exterior applications in cold climates. Granite is a durable and hard material that is resistant to freezing temperatures, making it suitable for outdoor use in various climates. However, it is always recommended to consult with a professional to ensure proper installation and maintenance for the specific conditions of your location.

Can Spain's Gris Estrella Granite be used in landscaping?

Yes, Spains Gris Estrella Granite can be used in landscaping. It is a durable and versatile material that is commonly used in outdoor applications such as paving, walkways, patios, and retaining walls. Its distinct light gray color with specks of black and white adds a touch of elegance to any landscape design. Additionally, the natural strength and resistance of granite make it ideal for withstanding the elements and heavy foot traffic, making it a popular choice for landscaping projects.

Can Spain's Gris Estrella Granite be used in a bathroom?

Yes, Spains Gris Estrella Granite can be used in a bathroom. Granite is a durable and versatile natural stone that is suitable for various applications, including bathroom countertops, vanity tops, and even wall and floor tiles. Gris Estrella Granite, with its grey color and subtle white speckles, can add a touch of elegance and sophistication to any bathroom design.

How thick is Spain's Gris Estrella Granite slabs?

The thickness of Spains Gris Estrella Granite slabs can vary, but the standard thickness is typically around 2 centimeters (3/4 inch) or 3 centimeters (1 1/4 inches). However, custom thicknesses may also be available upon request.

Are there color variations of Spain's Gris Estrella Granite?

Yes, there are different color variations of Spains Gris Estrella Granite. While the base color of Gris Estrella Granite is gray, it can also have variations of white, black, and even hints of blue or green. The exact color variations depend on the specific quarry and location where the granite is sourced from.

Can Spain's Gris Estrella Granite be used outdoors?

Yes, Spains Gris Estrella Granite can be used outdoors. It is a durable and weather-resistant material that can withstand harsh outdoor conditions. It is commonly used for outdoor flooring, cladding, and paving. However, it is important to ensure that the granite is properly sealed and maintained to prevent staining and preserve its natural beauty.

Is Spain's Gris Estrella Granite an expensive stone?

I dont have access to the current market prices of granite varieties. However, the cost of Gris Estrella Granite may depend on various factors such as the location, availability, quality, and demand. Please consult a local supplier for accurate pricing information.

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