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Cinzento Azeviche Granite

Cinzento Azeviche Granite

Grey - Granite

Portugal

About

Item Details

Material Type:
Granite
Origin:
Portugal (Monte das Escarninhas, Município de Arronches, Alentejo)
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:
Preto Arronches Granite, Granito Preto de Arronches, Preto Evora Granite, Negro Arronches Granite, Granito Cinzento Azeviche, Cinzento Azeviche, Cinzento Azeviche 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:
0.14 By weight %
Density:
2840 kg/m³
Flexural Strength:
22.6 MPa
Compressive Strength:
166.0 - 182.2 MPa
Stone texture:
a dark grey to nearly black granite distinguished by its deep, uniform background accented with fine to medium-grained black, white, and occasional lighter mineral speckles, creating a subtly textured yet overall homogeneous appearance without pronounced veining; depending on the slab, the tone may vary slightly between charcoal grey and blackish hues, sometimes showing a faint crystalline sparkle due to its mineral composition.

Description

Cinzento Azeviche Granite is a natural stone known for its dark grey to nearly black coloration. This granite is distinguished by a deep, uniform background accented with fine to medium-grained black, white, and occasional lighter mineral speckles. It has a subtly textured yet overall homogeneous appearance without pronounced veining. The stone's tone may vary, ranging from charcoal grey to blackish hues, sometimes exhibiting a faint crystalline sparkle due to its mineral composition. This granite is quarried in Monte das Escarninhas, in the Município de Arronches, Alentejo, Portugal.

Physical and Mechanical Properties

  • Water Absorption: 0.14% by weight
  • Density: 2840 kg/m³
  • Flexural Strength: 22.6 MPa
  • Compressive Strength: 166.0 - 182.2 MPa
  • Hardness: Granite is generally hard and durable, with a Mohs hardness of around 6-7
  • Porosity: Generally low, contributing to its durability and resistance to stains
  • Slip Resistance: Can vary with finish, but typically provides good slip resistance when polished

Chemical and Mineral Composition

Mineralogical Composition:

  • Plagioclase: 58%
  • Amphibole: 25%
  • Biotite mica: 12%
  • Quartz: 4%
  • Others: 1%

Chemical Composition:

  • Silicon dioxide (SiO₂): 52.56%
  • Aluminum oxide (Al₂O₃): 17.94%
  • Iron oxide (Fe₂O₃): 9.53%
  • Calcium oxide (CaO): 7.63%
  • Potassium oxide (K₂O): 1.45%
  • Magnesium oxide (MgO): 4.48%
  • Sodium oxide (Na₂O): 3.87%
  • Titanium oxide (TiO₂): 1.12%

Usage

  • Interior Applications: Countertops, flooring, wall cladding, and decorative features
  • Exterior Applications: Facades, paving, and landscaping elements
  • Commercial and Residential Projects: Suitable for high-traffic areas due to its durability

Maintenance

  • Requires periodic sealing to maintain its resistance to stains and moisture
  • Regular cleaning with mild detergent and water to preserve its appearance
  • Avoid harsh chemicals that could damage the stone's surface

Common Surface Finish Options

  • Polished: Provides a glossy and reflective surface, enhancing the stone's color and pattern
  • Honed: Offers a matte and smooth finish, reducing glare while maintaining the stone's color
  • Leathered: Features a textured finish that provides a more rustic appearance and enhanced slip resistance
  • Flamed: Achieved by exposing the stone to high heat, giving it a textured and slip-resistant surface

Cinzento Azeviche Granite is a versatile and durable material suitable for a range of architectural and design applications, providing both aesthetic appeal and practical benefits.

FAQ

How thick is Portugal's Cinzento Azeviche Granite slabs?

The thickness of Portugals Cinzento Azeviche Granite slabs can vary depending on the specific supplier or manufacturer. However, standard thicknesses for granite slabs are typically 2 centimeters (3/4 inch) or 3 centimeters (1 1/4 inch).

Can Portugal's Cinzento Azeviche Granite be used in landscaping?

Yes, Portugals Cinzento Azeviche Granite can certainly be used in landscaping. Granite is a popular choice for landscaping projects because of its durability, resistance to weathering, and low maintenance requirements. Cinzento Azeviche Granite, known for its greyish color and black spots or veins, can be used in a variety of landscaping applications such as paving, pathways, patios, steps, retaining walls, and decorative boulders. It can also be used for creating water features such as fountains or cascades. Additionally, the natural beauty and unique patterns of this granite can add an elegant and sophisticated touch to any outdoor space.

Can Portugal's Cinzento Azeviche Granite be used in a office?

Yes, Portugals Cinzento Azeviche Granite can be used in an office. Granite is a versatile and durable material that is often used for countertops, flooring, and other surfaces in both residential and commercial settings. Cinzento Azeviche Granite, with its gray color and unique patterns, can provide an elegant and professional look to an office space. It is commonly used for reception desks, conference tables, and other furniture, as well as for wall cladding or flooring.

Can Portugal's Cinzento Azeviche Granite be used outdoors?

Yes, Portugals Cinzento Azeviche Granite can be used outdoors. This granite is known for its high durability and resistance to weathering, making it a suitable choice for outdoor applications such as paving, cladding, and countertops. Its dark gray color and uniform texture also add an aesthetic appeal to outdoor spaces. However, it is always recommended to consult with a professional before using any specific stone for outdoor use to ensure it meets the specific requirements of the project.

What grade is Portugal's Cinzento Azeviche Granite?

Portugals Cinzento Azeviche Granite does not have a specific grade assigned to it. The grade of a granite typically refers to its quality or level of excellence, which can vary depending on factors such as color, pattern, consistency, hardness, and overall appearance. Grades are usually assigned by individual suppliers or manufacturers based on their own internal criteria.

Are there color variations of Portugal's Cinzento Azeviche Granite?

Yes, there can be some variations in color for Portugals Cinzento Azeviche Granite. Generally, it is a dark gray granite with black and white speckles, but the exact color and pattern may vary from slab to slab. Some slabs may have more pronounced speckles, while others may have a slightly different shade of gray. It is always recommended to view and select the specific slab you are interested in to ensure it meets your desired color variation.

Is Portugal's Cinzento Azeviche Granite an expensive stone?

I do not have access to current market prices or specific product information. However, certain factors such as rarity, quality, and demand can affect the price of a type of granite. Its best to consult with a supplier or dealer for the most accurate pricing information.

Can Portugal's Cinzento Azeviche Granite be used exterior applications in very sunny climates?

Cinzento Azeviche Granite, like many granites, is generally suitable for exterior applications, even in very sunny climates. Granite is a durable and dense natural stone that can withstand various weather conditions, including sun exposure, high temperatures, and UV radiation. However, there are a few considerations to keep in mind: 1. **Color Consideration**: Darker granites, like Cinzento Azeviche, can absorb more heat compared to lighter-colored stones. This may cause the surface to become quite hot in direct sunlight, which could be uncomfortable for walking or touching. 2. **Surface Finish**: The finish of the granite can also influence its performance outdoors. A polished finish may reflect sunlight, but it could also be slippery when wet. A honed or textured finish could be more suitable for certain applications, such as flooring around pools. 3. **Sealing**: While granite is durable, sealing it can help protect the stone from staining, particularly in outdoor settings where spills, organic material, or efflorescence (a white powdery deposit) can occur. 4. **Maintenance**: Regular cleaning and maintenance are essential to keep the stone looking its best and to address any environmental stresses. 5. **Environmental Factors**: Consider any specific environmental conditions in the intended area of use, such as proximity to the sea, which can cause salt damage, or areas with frequent temperature fluctuations that could cause thermal shock. Overall, Cinzento Azeviche Granite can be a good choice for exterior applications in sunny climates, provided it is installed and maintained correctly. Its always a good idea to consult with a local stone professional or supplier to ensure suitability for your specific project.

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