Portoro Gold Marble

Black - Marble

Italy

Item Details

Quarry Location: Porto Venere, Provincia di La Spezia, Riviera, Liguria

Water Absorption: 0.07 %

Density: 2715 Kg/m3

Flexural Strength: 14.2 MPa

Compressive Strength: 199.0 - 211.0 MPa

Recommended Usage: Kitchen and bathroom countertops, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, balustrades, fireplaces, columns, wall panels, table tops

Finishing Surface: Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Additional Names: Portoro Macchia Oro Marble ,Portoro Nero Giallo Marble, Nero Portoro Gold Marble, Portoro Oro Marble, Portoro Gold Marble, Nero Portoro Marble,Portoro Gold Marble

Description:

Portoro Gold Marble, quarried in Italy, is an exquisite and luxurious natural stone known for its dramatic black background and striking golden veining. It is highly regarded for its elegance and has been widely used in high-end architectural and design projects.

The primary characteristic of Portoro Gold Marble is its deep black background color. The intense black hue creates a bold and sophisticated statement, making it a preferred choice for those seeking a dramatic and opulent look. The consistent black base serves as a stunning backdrop for the golden veining that runs through the stone.

What sets Portoro Gold Marble apart is its stunning golden veining. The veining exhibits a vibrant and warm golden color, often flowing in bold and intricate patterns across the black background. The combination of black and gold creates a striking contrast, adding depth, movement, and a sense of luxury to the stone.

The texture of Portoro Gold Marble is typically smooth and polished, enhancing its natural beauty and creating a glossy finish. The polished surface allows the stone to reflect light, further enhancing its visual impact and highlighting the intricate golden veins.

Portoro Gold Marble is a highly prized and sought-after material due to its exclusivity and rarity. It is commonly used in high-end interior design applications such as countertops, flooring, wall cladding, and decorative accents. It adds a touch of elegance and refinement to spaces, making it a favored choice for luxurious residential and commercial projects.

In terms of durability, Portoro Gold Marble is a durable stone, suitable for various applications. However, it is important to note that, like other marbles, it is susceptible to etching and staining, and proper care and maintenance are necessary to preserve its beauty over time.

Portoro Gold Marble from Italy is an exquisite natural stone with its bold black background and stunning golden veining. Its luxurious appearance and timeless appeal make it a preferred choice for those seeking to create a truly remarkable and opulent space.

Petrographic definition: Marble
Massa Unit Volume: 2715 kg/m3
Water Absorption: 0.07 %
Breaking Load Compression Simple: 211 MPa
Compression breaking load after freezing: 199 MPa
Tensile indirectly by bending 14.2 MPa
Its coefficient of Abrasion (referred to Granite St. Fedelino): 0.90
Impact resistance: minimum fall height: 35 cm
Coefficient of linear thermal expansion: 5.0 x 10-5 0C-1
Knoop microhardness: 1687 MPa
Index unevenness of hardness: 1.26
Source: Università di Pisa - Politecnico di Torino

FAQ

Is there any marble similar to Portoro Gold?

Yes, there are other marbles similar to Portoro Gold. Some options include: 1. Portoro Extra: This marble is very similar to Portoro Gold, with its black background and gold veining. It is a popular choice for luxury interiors. 2. Portoro Venus: Another variation of Portoro marble, Portoro Venus has a black background with white and golden veins. It has a more contrasting and dynamic look compared to Portoro Gold. 3. Nero Portoro: This marble is also known as Black Portoro or Black Gold. It features a black background with golden or yellow veins, similar to Portoro Gold, but with variations in the veining patterns. 4. Azul Portoro: Azul Portoro is a marble with a deep black base and dense golden to yellowish veins. It offers a similar contrast to Portoro Gold but with a slightly different color palette. 5. Port Black: Port Black marble showcases a black background with striking golden veins, offering a similar elegant and luxurious look to Portoro Gold. Remember, the availability and exact appearance of these marbles may vary based on the quarry and region they are sourced from. Its recommended to consult with a local stone supplier or fabricator for more specific options.

What is the chemical composition of Portoro Gold?

The chemical composition of Portoro Gold is primarily made up of two minerals: calcite and dolomite. Calcite is a carbonate mineral with the chemical formula CaCO3. It is responsible for the gold-colored veins and streaks in Portoro Gold. Calcite gives the stone its unique coloration and adds to its aesthetic appeal. Dolomite is a sedimentary rock and a mineral composed of calcium magnesium carbonate (CaMg(CO3)2). It is usually found mixed with calcite in Portoro Gold. Dolomite contributes to the stones hardness and durability. The exact proportions of calcite and dolomite can vary in different samples of Portoro Gold, but these two minerals are the primary components that give the stone its characteristic appearance.

Does black marble fade in sunlight?

Black marble is generally less likely to fade in sunlight compared to lighter colored marbles. This is because black marble contains a higher concentration of minerals, such as carbon, which contribute to its dark color. The carbon content helps the marble to absorb heat and UV radiation from sunlight, protecting it from fading or discoloration. However, it is important to note that prolonged exposure to direct sunlight can still cause minor color changes or fading in black marble over an extended period of time.

Can Portoro Gold be used as a mortar and pestle?

No, Portoro Gold cannot be used as a mortar and pestle. Portoro Gold is a type of marble stone that is primarily used for decorative purposes such as countertops, flooring, and wall cladding. It is not suitable for grinding or crushing ingredients as a mortar and pestle should be. Mortar and pestle are traditionally made from materials like stone, porcelain, or ceramic, which are sturdy and have abrasive surfaces to effectively grind or crush ingredients.

Is Italy's Portoro Gold Marble an expensive stone?

Yes, Italys Portoro Gold Marble is considered an expensive stone due to its rarity and unique color pattern. The price varies based on the size, quality, and source of the marble.

How thick is Italy's Portoro Gold Marble slabs?

The thickness of Italys Portoro Gold Marble slabs can vary, but typically they are available in thicknesses of 2 cm (0.79 inches) or 3 cm (1.18 inches).

Can Italy's Portoro Gold Marble be used in a living room?

Yes, Italy’s Portoro Gold Marble can be used in a living room. It is a luxurious and elegant natural stone that can add a great deal of sophistication to the space. However, it is important to consider the overall look and feel of the room, as well as the other materials being used, to ensure that the marble complements the overall design. Additionally, it is important to properly care for and seal the marble to prevent staining or damage.

What must be the minimum thickness of a Portoro Gold bathtub?

There is no specific minimum thickness requirement for a Portoro Gold bathtub as it can vary depending on the design, shape, and size of the bathtub. However, generally speaking, a minimum thickness of 15-20 millimeters (0.6-0.8 inches) is often recommended for a durable and strong bathtub. It is best to consult with the manufacturer or a professional to determine the appropriate thickness for your specific bathtub design.

Is black marble hard to maintain?

Black marble is generally not considered difficult to maintain compared to other types of marble or natural stone. However, it does require regular cleaning and upkeep to keep its lustrous appearance. Here are some maintenance considerations for black marble: 1. Sealing: It is recommended to seal black marble to prevent staining and etching. Sealing creates a protective barrier that can make cleaning easier. 2. Cleaning: Regularly clean black marble using a pH-neutral, non-abrasive stone cleaner and a soft cloth or sponge. Avoid acidic or abrasive cleaners that can damage the surface. Wipe up spills immediately to prevent staining. 3. Polishing: Polishing black marble can help restore its shine and remove minor scratches and dullness. Use a marble polishing powder or a professional marble polish, following the manufacturers instructions. 4. Avoiding harsh chemicals: Avoid using vinegar, lemon juice, or other acidic substances for cleaning as they can etch the marble surface. Also, avoid using abrasive cleaners, bleach, or ammonia-based products. 5. Protection: To prevent scratches or damage, use coasters, mats, or felt pads under objects that can potentially scratch or leave marks on the marble surface. Overall, with proper care and maintenance, black marble can maintain its beauty and durability for years to come.

Does black marble scratch easily?

Black marble, like any other type of marble, can scratch relatively easily. Marble is a relatively soft stone with a Mohs hardness rating of around 3-4, on a scale of 1 to 10 (diamond being the hardest at 10). While black marble may be more forgiving in terms of visible scratches due to its dark color, it is still susceptible to scratching. It is important to handle black marble surfaces with care and avoid using abrasive materials or dragging heavy objects across them to prevent scratches.

Can Italy's Portoro Gold Marble be used in wall coverings?

Yes, Italys Portoro Gold Marble can be used for wall coverings. Its elegant and unique gold veins make it a popular choice for luxury interiors. Whether used as a full wall covering, accent wall, or in combination with other materials, Portoro Gold Marble can add a touch of luxury and sophistication to any space.

What is the coefficient of friction of Filled Italy's Portoro Gold Marble tiles?

The coefficient of friction for Portoro Gold Marble tiles is not readily available information, as it can vary depending on factors such as the surface finish of the tiles and the specific conditions in which they are installed. It is recommended to contact the manufacturer or supplier of the tiles for this specific information.

Can Portoro Gold be used as a kitchen cutting board?

No, Portoro Gold is a type of marble commonly used in interior design and decoration. It is not suitable for use as a kitchen cutting board because marble is a soft and porous material that can be easily scratched or damaged by knives, and it can also absorb and retain moisture and bacteria, posing a potential health hazard. It is recommended to use materials specifically designed and approved for cutting and food preparation, such as wooden or plastic cutting boards.

What grade is Italy's Portoro Gold Marble?

Italys Portoro Gold Marble is considered to be of the highest grade and quality. It is highly valued for its distinct golden veins and unique black background. It is often used for luxury and high-end applications in residential and commercial projects.

What must be the minimum thickness of a Portoro Gold kitchen countertop?

The minimum thickness of a Portoro Gold kitchen countertop is typically 2 centimeters (0.79 inches) or 3 centimeters (1.18 inches), depending on the specific requirements and preferences of the individual or designer.

Are there color variations of Italy's Portoro Gold Marble?

Yes, there are variations of Italys Portoro Gold Marble. The marble is typically a deep black color with gold or yellow veins running through it. However, the intensity and pattern of the gold veining can vary from slab to slab. Some slabs may have more pronounced gold veins, while others may have less intense or even intermittent veins. Additionally, there may be subtle differences in the background color, with some slabs having a slightly lighter or darker black base. These variations are a natural characteristic of the stone and add to its unique beauty.

Can Italy's Portoro Gold Marble be used exterior applications in very sunny climates?

I do not have personal opinions. However, Portoro Gold Marble is considered suitable for exterior applications in sunny climates as it is a durable and dense natural stone that can withstand extreme weather conditions. However, it is recommended to consult with a professional installer or stone supplier to ensure proper installation and maintenance. The marble may require periodic sealing to protect against UV rays and prevent color fading.

What is the physical properties of Portoro Gold?

Portoro Gold is a type of marble with distinct physical properties. Some of its notable physical properties include: 1. Color: Portoro Gold is characterized by its rich and deep black color with bright golden veins. These gold veins can vary in density and pattern, adding to the stones unique appearance. 2. Texture: The marble has a fine to medium grain texture, which gives it a smooth and glossy finish. The surface of Portoro Gold is typically polished to enhance its elegance and shine. 3. Hardness: Portoro Gold is a relatively hard stone with a Mohs hardness ranging from 3 to 4. This hardness allows it to withstand common wear and tear, making it suitable for various applications. 4. Weight: Due to its composition and density, Portoro Gold is a relatively heavy stone compared to other materials. Its weight adds to its durability and stability when used in construction or as a decorative element. 5. Durability: This marble is known for its high durability and resistance to extreme weather conditions and temperature variations, making it suitable for both interior and exterior applications. 6. Reflectivity: Portoro Gold has a high light reflectivity, which contributes to its luxurious and captivating appearance. The bright golden veins against the dark background create a striking contrast and enhance its aesthetic appeal. These physical properties make Portoro Gold a sought-after material for different applications, such as countertops, flooring, wall cladding, sculptures, and decorative objects.