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Yellow Valverde Limestone

Yellow Valverde Limestone

About

Material Type:
Limestone
Origin:
Portugal (Pedreira de Azul, Alcanede, Santarem)
Primary Color(s):
Yellow
Recommended Usage:
Kitchen and bathroom countertops, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces
Additional Names:
Amarelo Valverde Limestone, Yellow Santarem Limestone, Yellow Valverde
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.5 %
Density:
2643 Kg/cm3
Flexural Strength:
15.0 MPa
Compressive Strength:
150.2 MPa
Stone texture:
a fine- to medium-grained limestone with a warm golden beige base, lighter hues, and a pattern of tiny fossil segments limestone

Description

Yellow Valverde Limestone

Description:
Yellow Valverde Limestone is a fine- to medium-grained natural stone known for its warm golden beige base that is complemented by lighter hues. It exhibits a unique pattern containing tiny fossil segments, which gives this limestone a distinctive and appealing appearance. Sourced from Pedreira de Azul in Alcanede, Santarém, Portugal, it’s a popular choice for various architectural and design applications due to its aesthetic appeal and robust properties.

Physical and Mechanical Properties:

  • Water Absorption: 0.5%
  • Density: 2643 kg/m³
  • Flexural Strength: 15.0 MPa
  • Compressive Strength: 150.2 MPa
  • Hardness: Medium, typical for limestone, suitable for indoor flooring and cladding.
  • Porosity: Low to medium, contributing to its resistance to weathering.
  • Slip Resistance: Moderate, making it safe for most indoor applications but may require additional treatment for high-traffic areas or outdoor use in wet conditions.

Chemical and Mineral Compositions (% by weight):

  • Calcium Carbonate (CaCO3): Predominantly high, characteristic of limestone.
  • Magnesium Carbonate (MgCO3): Minor presence.
  • Silica (SiO2): Present, contributing to its durability.
  • Iron Oxide (Fe2O3): Trace amounts, affecting its warm golden hue.
  • Aluminum Oxide (Al2O3): Trace amounts.

Usage:

  • Interior Applications: Floor tiles, wall cladding, kitchen countertops, bathroom vanity tops, and decorative elements.
  • Exterior Applications: Facade cladding, paving, and garden landscaping.
  • Architectural Features: Fireplaces, staircases, and window sills.

Maintenance:

  • Regular cleaning with a damp cloth and a pH-neutral stone cleaner.
  • Periodic sealing recommended to maintain appearance and protect from stains and water infiltration.
  • Avoid acidic or abrasive cleaning agents to preserve surface integrity.

Cutting Sizes (cm):

  • Standard tile sizes include 30x30, 30x60, 60x60, and custom sizes based on project requirements.
  • Slab thickness typically ranges from 2cm to 3cm.

Available Surface Finish Options:

  • Polished: Achieves a high gloss, enhancing the stone's color and fossil pattern.
  • Honed: Provides a smooth, matte finish suitable for floors and walls.
  • Brushed: Offers a slightly textured finish, adding a rustic appeal.
  • Bush-Hammered: Features a rough texture, suitable for outdoor and slip-resistant applications.

Overall, Yellow Valverde Limestone is valued for its aesthetic qualities and versatile applications, making it a preferred choice for a variety of residential and commercial projects. Its warm hues and fossilized patterns provide both elegance and natural beauty.

FAQ

What is the coefficient of friction of Acid Washed Finish Portugal's Yellow Valverde Limestone tiles?

It is not possible to determine the coefficient of friction of Acid Washed Finish Portugals Yellow Valverde Limestone tiles without accessing specific technical data or consulting the manufacturer or supplier of the tiles. The coefficient of friction can vary depending on various factors such as the surface texture, type of finish, and the specific quarry from where the limestone is sourced. It is recommended to contact the supplier or manufacturer for the relevant information.
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Can Portugal's Yellow Valverde Limestone be used exterior applications in very rainy climates?

Portugals Yellow Valverde Limestone can be used in exterior applications in very rainy climates, but there are some factors to consider. Limestone is a natural stone that is porous and absorbent. This means that it is susceptible to water absorption, which can cause damage to the stone over time. In very rainy climates, where there is a high amount of precipitation and constant exposure to water, it is important to take precautions to protect the limestone. Sealing the stone is one way to help protect it from water damage. A high-quality sealer can be applied to the limestone surface to create a protective barrier, reducing water absorption and preventing staining. It is recommended to choose a sealer specifically designed for limestone and to reapply it periodically to maintain its effectiveness. Additionally, proper installation and maintenance are crucial in ensuring the longevity of exterior limestone applications in rainy climates. Proper drainage should be implemented to avoid water pooling on the surface of the stone. Regular cleaning and maintenance should be carried out to prevent the growth of moss or algae, which can be more prevalent in damp, rainy environments. Considering these factors, Portugals Yellow Valverde Limestone can be used in exterior applications in very rainy climates with the proper precautions and maintenance in place.
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What is the average density of Portugal's Yellow Valverde Limestone?

The average density of Portugals Yellow Valverde Limestone is approximately 2.6 grams per cubic centimeter (g/cm3) or 2,600 kilograms per cubic meter (kg/m3).
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Can Portugal's Yellow Valverde Limestone be used in landscaping?

Yes, Portugals Yellow Valverde Limestone can be used in landscaping. This natural stone is commonly used for outdoor applications such as paving, walkways, patios, and retaining walls. Its versatile color and texture make it suitable for various landscaping designs and styles. Additionally, the durability of this limestone ensures it can withstand outdoor elements and maintain its beauty over time.
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How thick is Portugal's Yellow Valverde Limestone slabs?

The thickness of Portugals Yellow Valverde Limestone slabs can vary, but commonly, they are available in thicknesses of 2 centimeters (cm) or 3 cm.
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Are there color variations of Portugal's Yellow Valverde Limestone?

Yes, there are variations of Portugals Yellow Valverde limestone in terms of color. While the base color is typically yellow, it can range from pale yellow to a deeper, vibrant yellow hue. Some variations may also have subtle veining or variations in tone, offering a more interesting and unique appearance. It is important to note that natural stone is inherently variable, so the color and pattern can vary slightly from piece to piece.
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Can Portugal's Yellow Valverde Limestone be used in a kitchen?

Yes, Portugals Yellow Valverde Limestone can be used in a kitchen. Limestone is a hard and durable material, making it suitable for countertop surfaces in a kitchen. Additionally, it has a natural beauty and unique veining that can add an aesthetic appeal to the space. It is important to properly seal and maintain the limestone to protect it from stains and spills commonly found in a kitchen environment.
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Can Portugal's Yellow Valverde Limestone be used outdoors?

Yes, Portugals Yellow Valverde Limestone can be used outdoors. Limestone is known for its durability and ability to withstand outdoor elements such as rain and sunlight. However, it is important to note that using limestone outdoors may require proper sealing and maintenance to prevent staining and weathering over time.
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What grade is Portugal's Yellow Valverde Limestone?

I do not have access to the geological database to provide an exact answer. However, generally, Portuguese limestone grades vary from A to F, with A being the highest quality and F being the lowest. The grade of the Yellow Valverde Limestone may vary depending on factors such as its texture, color, durability, porosity, and other characteristics.
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Is Portugal's Yellow Valverde Limestone an expensive stone?

I have no access to real-time market trends and cannot provide exact pricing information of products. However, based on available information from various stone suppliers and retailers, the Yellow Valverde Limestone from Portugal is generally considered a mid-range to high-end natural stone material. Its price can vary depending on factors such as color variation, thickness, size, and finish. It is best to consult with local stone suppliers or retailers to get a better idea of its current pricing in your region.
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