Portorino Marble

Black - Marble

ItalyItaly
Item Details

Quarry Location: Porto Venere, Provincia di La Spezia

Water Absorption: 0.09 %

Density: 2710 kg/m3

Flexural Strength: 10.2 MPa

Compressive Strength: 157.0 - 183.0 MPa

Recommended Usage: Countertops, mosaic, exterior - interior wall and floor applications, fountains, pool and wall capping, stairs, window sills

Finishing Surface: Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Tumbled

Additional Names: Nero Portoro Marble,Portoro Marble,Nero Portorino Marble, Portorino Black Marble,Portorino Marble

Description:
Petrographic definition: limestone
Massa Unit Volume: 2710 kg/m3
Water Absorption: 0.09 %
Breaking Load Compression Simple: 183 MPa
Compression breaking load after freezing: 157 MPa
Tensile indirectly by bending 10.2 MPa
Its coefficient of Abrasion (referred to Granite St. Fedelino): 0.74
Impact resistance: minimum fall height: 25 cm
Coefficient of linear thermal expansion: 5.0 x 10-5 0C-1
Knoop microhardness: 1530 MPa
Index unevenness of hardness: 1.12
Source: Università di Pisa - Politecnico di Torino
FAQ
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Is black marble hard to maintain?
Black marble can be more challenging to maintain compared to lighter colored marble, as it tends to show fingerprints, dust, and water spots more easily. Additionally, black marble can be prone to scratching and etching from acidic substances like citrus juices or common household cleaners. Regular dusting and wiping with a soft cloth, avoiding abrasive cleaners, and promptly cleaning up spills can help in maintaining the black marbles appearance. Sealing the marble periodically can also provide extra protection and make it easier to clean.
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Is Italy's Portorino Marble an expensive stone?
I do not have access to real-time market data. However, historically, Portorino Marble has been considered a valuable and expensive stone due to its unique characteristics and limited supply. Its price can vary depending on factors such as quality, availability, and market demand.
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What is the coefficient of friction of Leathered Italy's Portorino Marble tiles?
The coefficient of friction for Leathered Italys Portorino Marble tiles is not provided in the question. To determine the coefficient of friction for these specific tiles, you would need to refer to the product specifications provided by the manufacturer or reach out to Leathered Italy directly.
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What is the physical properties of Portorino Marble?
Portorino Marble is a type of black marble with unique physical properties. Here are some of its physical properties: 1. Color: Portorino Marble is primarily characterized by its deep black color, which is often accompanied by white or gold veins. This combination of black and contrasting veins gives it a striking appearance. 2. Hardness: It is considered to be a relatively hard material, having a Mohs hardness scale rating of around 3 to 4. This makes it suitable for various applications and provides good resistance to scratches and abrasion. 3. Density: Portorino Marble has a density range of approximately 2.7 to 2.8 grams per cubic centimeter. This density indicates its solid and durable nature. 4. Porosity: The marble has low porosity, which means it has a low water absorption rate. This property makes it less prone to staining and damage caused by water-related factors. 5. Polish: Portorino Marble has a high natural polish, giving it a smooth and glossy appearance. When properly finished, it can have a mirror-like shine. 6. Durability: This type of marble is known for its strength and durability, making it suitable for a wide range of interior and exterior applications such as countertops, flooring, wall cladding, and decorative elements. 7. Heat Resistance: Portorino Marble exhibits good heat resistance, allowing it to withstand high temperatures without significant damage. However, direct and prolonged contact with hot objects or surfaces is still not advisable. 8. Acid Sensitivity: While generally durable, Portorino Marble is sensitive to acidic substances such as vinegar, citrus juices, and some cleaning agents. It is important to take precautions and avoid using acidic products that could etch or damage the surface. 9. Size and Structure: The size and structure of Portorino Marble can vary, ranging from large slabs to smaller tiles or mosaics. Its homogeneous structure allows for ease of cutting, shaping, and installation. Overall, Portorino Marbles physical properties make it a popular choice in architecture and interior design due to its distinctive appearance, durability, and versatility.
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Can Italy's Portorino Marble be used in a office?
Yes, Italys Portorino Marble can be used in an office setting. Portorino Marble is a highly durable and luxurious material, often characterized by its black background and striking golden or white veining. Its elegant appearance makes it suitable for various interior design applications, including office spaces. It can be used for office floors, walls, countertops, reception desks, and other surfaces, adding a touch of sophistication and class to the workspace.
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What must be the minimum thickness of a Portorino Marble bathtub?
There are no standardized regulations or minimum thickness requirements specifically for Portorino Marble bathtubs. The thickness can vary depending on the design, size, and manufacturing process of the bathtub. However, in general, solid marble bathtubs tend to have a minimum thickness of around 2-3 inches (5-7.5 cm) to ensure structural integrity and a durable construction. It is recommended to consult with a professional manufacturer or supplier for specific recommendations based on the intended use and design of the bathtub.
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What grade is Italy's Portorino Marble?
I dont have information about the grade of Portorino Marble, could you please provide more context or clarify your question?
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Can Italy's Portorino Marble be used in landscaping?
Yes, Italys Portorino Marble can be used in landscaping. Portorino Marble is a premium black marble with golden veins, which gives it a distinctive and elegant appearance. It is often used for countertops, flooring, cladding, and decorative purposes due to its durability, beauty, and luxurious appeal. In landscaping, Portorino Marble can be used for various applications such as paving walkways, creating focal points like outdoor sculptures or water features, building retaining walls, or constructing raised planters. Its unique color and pattern can add a touch of sophistication and visual interest to any outdoor space.
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Can Portorino Marble be used as a mortar and pestle?
Yes, Portorino Marble can be used as a mortar and pestle. Marble is a popular choice for mortar and pestle sets due to its strong and durable nature. The smooth and non-porous surface of marble makes it ideal for grinding and crushing herbs, spices, and other substances. Portorino Marble, specifically, is a type of black marble with white veins, which can add an elegant touch to your kitchen while serving its purpose as a mortar and pestle.
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Can Italy's Portorino Marble be used exterior applications in cold climates?
Yes, Italys Portorino Marble can be used for exterior applications in cold climates. However, it is important to note that the marbles durability and resistance to frost should be considered. Portorino Marble is known for its strength and low porosity, making it suitable for withstanding cold temperatures and freeze-thaw cycles. Nonetheless, proper installation techniques and maintenance are crucial to ensure its longevity in outdoor environments with cold climates. It is recommended to consult with professionals familiar with the specific marble variety and its characteristics to ensure its successful use in exterior applications.
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Can Portorino Marble be used as a kitchen cutting board?
Portorino Marble can be used as a kitchen cutting board, however, it is important to note that marble is a natural stone and is not the most ideal material for cutting boards. Marble is prone to scratching and can dull knife blades quickly, making it less suitable for heavy-duty cutting tasks. Additionally, marble is porous and can absorb juices from foods, leading to potential staining and bacteria buildup. It is recommended to use specialized cutting boards made from materials like wood, plastic, or bamboo that are specifically designed for food preparation.
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Are there color variations of Italy's Portorino Marble?
Yes, there are color variations of Italys Portoro Marble. Portoro Marble is a deep black marble with gold veining, but the intensity and distribution of the gold veins can vary, resulting in different shades and patterns. Some variations may have more prominent gold veining, while others may have a more subtle or scattered appearance of the gold veins. Additionally, the base color of the marble can vary slightly, ranging from a pure black to a dark grey-black. These variations in color and veining patterns make each piece of Portoro Marble unique.
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Is there any marble similar to Portorino Marble?
Yes, there are several types of marble that are considered similar to Portoro marble. Some of these include: 1. Nero Marquina: This type of marble is characterized by its black background with contrasting white veins. It is often used in flooring, countertops, and backsplashes. 2. Bardiglio: Bardiglio marble is known for its deep gray color with distinctive white veining. It is commonly used for countertops, floor tiles, and fireplace surrounds. 3. Silver Portoro: This marble has a black background with silver and gold veins running throughout. It is often used in luxury interior applications such as countertops, wall claddings, and decorative accents. 4. Port Black: Port Black marble is also similar to Portorino in terms of its black background and golden veins. It is frequently used in interior design projects for creating a luxurious and elegant look. 5. Black Marquina: Black Marquina marble is characterized by its deep black color with striking white veins. It is often used in both residential and commercial applications for countertops, flooring, and wall claddings. These marbles offer similar aesthetic qualities to Portorino marble and can be considered as alternatives when looking for a similar look in design projects.
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How thick is Italy's Portorino Marble slabs?
I do not have access to the most recent information on the thickness of Italys Portorino Marble slabs; however, based on my general knowledge, the thickness of marble slabs can vary depending on the intended use and customer specifications. Typically, marble slabs used for countertops and other decorative applications range from 2 cm to 3 cm thick. In some cases, thicker slabs may be available upon request.
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Does black marble fade in sunlight?
Black marble does not typically fade in sunlight. The color of black marble is created by minerals such as graphite and various types of metal oxides that are resistant to fading or changing color when exposed to sunlight. However, it is important to note that prolonged exposure to direct sunlight and UV radiation can still cause some minor discoloration or damage to the surface of the marble over time. Regular cleaning and maintenance can help preserve the appearance of black marble in outdoor applications.
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Can Italy's Portorino Marble be used outdoors?
Yes, Italys Portorino Marble can be used outdoors. Portorino Marble is a type of black marble that is highly durable and weather-resistant, making it suitable for outdoor applications such as paving, facades, and landscaping. It has been used in various historical and contemporary architectural projects around the world. However, it is important to note that proper sealing and maintenance may be required to ensure its longevity and protection against outdoor elements.
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Does black marble scratch easily?
Black marble, like any other type of natural stone, can be prone to scratching. However, the hardness and durability of black marble can vary depending on the specific type and quality of the stone. Some black marbles, such as Nero Marquina or Absolute Black, are known to be more resistant to scratching due to their density and composition. However, it is still important to take proper care of black marble surfaces to minimize the risk of scratching, such as using cutting boards and avoiding the use of abrasive cleaners or tools. Regular cleaning and maintenance can help preserve the appearance and durability of black marble.
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What is the chemical composition of Portorino Marble?
Portorino Marble, also known as Portoro Marble or Portoro Antico Marble, is a rare and valuable type of black marble. Its chemical composition is primarily made up of calcite and dolomite. It typically consists of around 90% calcite, which is a form of calcium carbonate (CaCO3), and around 10% dolomite, which is a mineral composed of calcium magnesium carbonate (CaMg(CO3)2). The black coloration of Portorino Marble is due to the presence of bituminous and/or carbonaceous materials that are embedded within the calcite structure.
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What must be the minimum thickness of a Portorino Marble kitchen countertop?
The minimum thickness of a Portorino Marble kitchen countertop should be at least 2 centimeters (0.79 inches) to ensure durability and strength. However, for added resilience and longevity, a thickness of 3 centimeters (1.18 inches) or more is often recommended.