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About usXiamen YongFeng Stone Co., Ltd. is a professional manufacturer of stone products in South East China. It has been dedicating itself to stone industry since 1996. With long-term concentrating on granite products in Fujian, the world biggest stone products producing area, YongFeng Stone has become an influential Chinese provider due to its outstanding reputation of reliable quality of its products.
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ProductsWe manufacture a wide range of stone products, including tiles, slabs, stairs, countertops, vanities, fireplaces, paving stones, curbstones, tombstones, mosaics, sculptures, pebbles, and medallions. Our products are suitable for interior and exterior applications, public spaces, and landscape projects.
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Marble Black With Gold
- Commodity name： Marble Black With Gold
- Product description
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Products Description
Marble Black With Gold, which is all known as Nero Portoro marble, is a very precious natural marble from Italy. It has a deep black base and gorgeous gold and white textures. The golden stripes are evenly distributed in stripes or nets, as if a layer of golden flowers is sprinkled on the black satin. This golden texture is particularly eye-catching and dazzling against the black background.
Basic characteristics
- Color: The base color is dark black or ink black, with flowing golden, light white or gray textures, and the texture is as natural and smooth as splashed ink.
- Gloss: After polishing, it presents a high mirror effect and has a strong sense of luxury.
- Hardness: Mohs hardness is about 3-4, which belongs to medium hardness marble. Avoid scratches from hard objects.
- Origin: Mainly quarried in Liguria, Italy, especially in La Spezia.
Testing data
Water Absorption:
0.11%
Density:
2710 kg/cbm
Flexural strength:
10 MPa
Compressive strength:
168 MPa
Uniqueness
Top decorativeness:
The black and gold form a strong contrast, and the texture is like golden lightning or water waves, which is very artistic.
Rarity:
High-quality black gold flower ore sources are limited, and mining is difficult, so the price is expensive.
Some top varieties are called "Portoro Oro" (Golden Porto), with richer golden texture and higher value.
History and Culture:
Marble Black With Gold has been used for palaces and sculptures since ancient Roman times, and many historical buildings in Europe (such as churches and noble mansions) use this stone.
Main Uses
Luxury buildings: hotel lobbies, villa floors, high-end club walls, etc.
High-end furniture: coffee tables, dining tables, bars, sinks, etc.
Art decoration: reliefs, sculptures, background walls, fireplaces, etc.
Luxury product applications: top watch dials, jewelry display stands, etc.
Advantages and Disadvantages Analysis
Advantages
Shocking visual effect: strong contrast between black and gold, improving the grade of space.
Scarcity: Made in Italy, the first choice for high-end projects.
High plasticity: suitable for carving and special-shaped processing, such as curved walls, cylinders, etc.
Disadvantages
Expensive: Top-grade Nero Portoro can cost thousands of yuan per square meter or even more.
High maintenance requirements: Regular sealing and care are required to avoid corrosion by acidic substances.
Natural defects: There may be cracks and color differences, which require professional screening.
Common grades in the market
Grade Features and Applicable scenarios of Marble Black With Gold
Premium (top grade) Pure black base color, dense and uniform gold patterns Luxury stores, five-star hotels.
Commercial (commercial grade) Slightly lighter black base, lighter gold patterns High-end residential, commercial space.
Standard (standard grade) The texture is scattered and may have gray spots General decoration, furniture countertops.
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Address: No. 340, S. Tongji Rd, Xiamen, China
Phone/Whatsapp: +86 15980865070
E-mail: Libiaofeng234@163.com
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