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Pietra Gray Marble

About

Material Type:
Marble
Origin:
Iran (Lashotor Zone-20th Km of Shiraz road, Esfahan)
Primary Color(s):
Grey
Recommended Usage:
Kitchen and bathroom countertops, building stone, ornamental stone, stairs, interior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, columns, fireplace surround, window sills
Additional Names:
Bosy Grey Marble, Bossy Grey, Bosy Gray Marble, Persian Grey Marble, Grey Pietra Marble, Pietra Grey Marble, Grey Crystal Marble, Pietra Grigio Marble, Graphite Grey Marble, Petra Gray Marble, Persian Nero Marquina Marble, Persian Marquina Black Marble, Shakespeare Gray Marble, Shakespeare Grey Marble, Shakespeare Ashes Marble, Bulgarian Grey Marble, in China stone market:彼得拉灰色(Bǐde lā huīsè), 莎士比亚灰(Shāshìbǐyǎ huī), 保加利亚灰(Bǎojiālìyǎ huī), 波斯灰, Pietra Gray Marble
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:
0.3 %
Density:
2610 kg/m3
Flexural Strength:
15-20 MPa
Compressive Strength:
84.2 MPa

Description

Pietra Gray Marble, quarried in Iran, is a highly esteemed natural stone known for its distinctive grey color and elegant appearance. It is widely regarded as one of the finest grey marbles in the world, prized for its beauty and versatility.

Pietra Gray Marble features a rich, deep grey color as its base, with varying shades and veining patterns that create a sense of movement and depth. The veining can range from thin, subtle lines to bolder, more pronounced patterns, adding character and visual interest to the stone. This natural variation makes each slab of Pietra Gray Marble unique and enhances its overall appeal.

The refined and sophisticated aesthetic of Pietra Gray Marble lends itself well to a wide range of design applications. It is commonly used for flooring, wall cladding, countertops, vanity tops, and other architectural elements. Its timeless beauty and neutral grey tones make it a versatile choice that can seamlessly blend with both contemporary and traditional design styles.

Beyond its stunning appearance, Pietra Gray Marble is known for its durability and longevity. It is a robust and hardwearing stone that can withstand daily wear and tear, making it suitable for high-traffic areas. Proper care and maintenance, including regular cleaning and sealing, will help preserve its beauty and ensure its longevity.

Pietra Gray Marble from Iran is renowned worldwide for its exceptional quality and elegant aesthetic. Its captivating grey color, unique veining patterns, and durability make it a preferred choice for enhancing the visual appeal of various design projects. Whether used in residential or commercial applications, Pietra Gray Marble adds a touch of sophistication and luxury, elevating the ambiance of any space.

Apparent Specific Gravity : 2.61 gr/cm3
water Absorption : 0.3 %
Compressive Strength : 842 kg/cm2
Gravity abate in heat and chill : 0.25 %
Flexural Strength : 2105*392 kg/cm2
Erosion : 23 %

Mineralogical Composition, % wt:

Calcite - 69%

Dolomite - 19%

Quartz - 7%

Mica - 3%

Pyrite - 2%

FAQ

How can I give Pietra Gray Marble floor tiles an antique look?

You can achieve an antique look for your Pietra Gray Marble floor tiles by following these steps: 1. Start by cleaning the tiles thoroughly with a mild soap and water solution to remove any dirt, grime, or residue. 2. Use a fine-grit sandpaper or a sanding block to gently distress the surface of the tiles. Focus on high-traffic areas and areas that would naturally wear down over time, such as edges and corners. 3. Consider using a chemical stain or aging solution to add depth and color variation to the tiles. This can help create a weathered, aged appearance. Make sure to follow the manufacturers instructions when applying the stain. 4. Create faux patina by using products like vinegar or lemon juice to gently etch the surface of the tiles. This can give them a weathered, aged look. 5. Seal the tiles with a matte or satin finish sealant to protect the surface and enhance the antique look. Make sure to use a sealant specifically designed for marble tiles. 6. If desired, you can also use a wax or polish to further enhance the patina and add a subtle sheen to the tiles. By following these steps, you can give your Pietra Gray Marble floor tiles an antique look that adds character and charm to your space.
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How can I restore the appearance of a Pietra Gray Marble tabletop to make it look new again?

To restore the appearance of a Pietra Gray Marble tabletop and make it look new again, you can follow these steps: 1. Clean the tabletop: Start by cleaning the tabletop with a mild dish soap or marble cleaner and warm water. Use a soft cloth or sponge to gently scrub the surface and remove any dirt, stains, or residue. 2. Remove stains: For stubborn stains, you can use a mixture of baking soda and water to create a paste. Apply the paste to the stained area, let it sit for a few hours, and then gently scrub it off with a soft cloth or brush. 3. Polish the marble: To enhance the shine of the marble, you can use a marble polish or sealer specifically designed for Pietra Gray Marble. Follow the manufacturers instructions for application and buff the surface with a soft cloth to achieve a smooth and glossy finish. 4. Seal the tabletop: To protect the marble and prevent future stains or damage, consider sealing the tabletop with a marble sealant. This will create a protective barrier and keep the marble looking new for longer. 5. Maintain the tabletop: To keep your Pietra Gray Marble tabletop looking new, regularly clean it with a mild cleaner and warm water, wipe up spills immediately, use placemats or coasters to protect the surface from scratches and stains, and avoid placing hot or abrasive objects directly on the marble. By following these steps and establishing a regular maintenance routine, you can restore the appearance of your Pietra Gray Marble tabletop and keep it looking new for years to come.
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Can 2cm thickness Pietra Gray Marble be used for stair steps?

Yes, a 2cm thickness Pietra Gray Marble can be used for stair steps, however, it is recommended to use a thicker material such as 3cm for increased durability and strength. The thinner material may be more prone to cracking or breaking under heavy foot traffic on stairs.
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Is Pietra Gray Marble suitable to use for sculpturing?

Yes, Pietra Gray Marble is a suitable material for sculpturing. It is a durable and visually appealing type of marble that can be easily shaped and carved to create intricate and detailed sculptures. Its dark gray color and natural veining patterns make it a popular choice for sculptors looking to create unique and elegant works of art.
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Does coffee stain the surface of Pietra Gray Marble?

Coffee can potentially stain the surface of Pietra Gray Marble if it is not promptly cleaned up. It is recommended to wipe up any spills immediately with a damp cloth to prevent staining. Additionally, using coasters or placemats under coffee cups can help protect the marble surface from potential stains. Regular cleaning and maintenance of Pietra Gray Marble surfaces can also help prevent staining.
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What type of abrasive should be used to honed the Pietra Gray Marble surface?

Diamond abrasive should be used to hone Pietra Gray Marble surface. Diamond abrasives are strong and durable, making them perfect for honing hard and dense surfaces like marble.
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How can I maintain Pietra Gray Marble scratched surface kitchen countertop?

To maintain a Pietra Gray Marble kitchen countertop with a scratched surface, follow these steps: 1. Clean the countertop regularly with a soft cloth or sponge and a mild soap or pH-neutral cleaner. Avoid using harsh chemical cleaners, as they can further damage the marble. 2. Use a marble polishing powder or cream to minimize the appearance of scratches. Follow the manufacturers instructions carefully when using these products. 3. Apply a marble sealer to the countertop to protect it from staining and scratching. Reapply the sealer every 6-12 months to maintain its effectiveness. 4. Avoid placing hot pans or pots directly on the countertop, as this can cause damage. Use trivets or hot pads to protect the surface. 5. Wipe up spills immediately to prevent them from staining the marble. Use a blotting motion rather than wiping to avoid spreading the spill. 6. Use cutting boards and placemats to prevent scratches from knives and utensils. 7. Regularly inspect the countertop for any damage or wear and tear. If you notice any deep scratches or etching, consider hiring a professional to repair and refinish the surface. By following these tips, you can help maintain the beauty and integrity of your Pietra Gray Marble kitchen countertop for years to come.
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Is 3cm thick Pietra Gray Marble durable enough for use as walkway pavers?

Yes, 3cm thick Pietra Gray Marble is generally considered durable enough for use as walkway pavers. Marble is a natural stone that is known for its strength and longevity, making it a suitable choice for outdoor applications like walkways. However, it is always recommended to properly seal and maintain marble pavers to ensure their durability and prevent staining or damage from outdoor elements. Additionally, it is important to consider the specific location and foot traffic of the walkway when choosing a material for pavers.
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Does the surface of Pietra Gray Marble scratch easily?

Pietra Gray Marble is a durable and hard material, so it is less likely to scratch easily compared to softer types of marble. However, like all natural stones, it is still susceptible to scratches from sharp objects or heavy impacts. It is important to use coasters, trivets, and cutting boards to protect the surface and prevent scratching. Regular maintenance and sealing can also help to keep the surface looking its best and prevent scratching over time.
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Is Pietra Gray Marble countertop heat resistant?

Yes, Pietra Gray Marble is heat resistant, but it is still recommended to use trivets or hot pads to protect the surface from potential damage.
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Project Show

Engineer Banaei’s Project Pietra Gray Marble Exterior Wall

Engineer Banaei’s Project Pietra Gray Marble Exterior Wall

<p class="p1">Engineer Banaei&rsquo;s Project, located in Mehrshahr, Karaj, Alborz Province, Iran.</p> <p class="p1">The materials used in this project are listed below:</p> <p class="p1">- Pietra Gray Marble - Cut-Broken Finishing</p>

Engineer Safyari’s Project Pietra Gray Marble Facade

Engineer Safyari’s Project Pietra Gray Marble Facade

<p class="p1">Engineer Safyari&rsquo;s Project, located in Mehrshahr , Karaj, Alborz Province, Iran.</p> <p class="p1">The materials used in this project are listed below:</p> <ul> <li class="p1">Pietra Gray Marble / Honed Finishing</li> <li class="p1">White Semirom</li> </ul>

Engineer Omidi's Project

Engineer Omidi's Project

<div class="flex flex-grow flex-col max-w-full"> <div class="min-h-[20px] text-message flex flex-col items-start whitespace-pre-wrap break-words [.text-message+&amp;]:mt-5 juice:w-full juice:items-end overflow-x-auto gap-2" dir="auto" data-message-author-role="assistant" data-message-id="f3d40434-ea02-4ba6-aad2-88aec10b70cb"> <div class="flex w-full flex-col gap-1 juice:empty:hidden juice:first:pt-[3px]"> <div class="markdown prose w-full break-words dark:prose-invert light"> <p>Engineer Omidi's Project, located in Kordan, Karaj, Alborz Province, Iran.</p> <p>The materials used in this project are listed below:&nbsp;</p> <p>- Pietra Gray Marble - BoushHamer Brushed Finishing</p> </div> </div> </div> </div>

Engineer Reshadi's Project

Engineer Reshadi's Project

<div class="flex flex-grow flex-col max-w-full"> <div class="min-h-[20px] text-message flex flex-col items-start whitespace-pre-wrap break-words [.text-message+&amp;]:mt-5 juice:w-full juice:items-end overflow-x-auto gap-2" dir="auto" data-message-author-role="assistant" data-message-id="f3d40434-ea02-4ba6-aad2-88aec10b70cb"> <div class="flex w-full flex-col gap-1 juice:empty:hidden juice:first:pt-[3px]"> <div class="markdown prose w-full break-words dark:prose-invert light"> <p>Engineer Reshadi's Project, located in Mehrshahr, Karaj, Alborz Province, Iran.</p> <p>The materials used in this project are listed below:</p> <ul> <li>Gray Persian Titan Marble</li> <li>Dark Persian Titan Marble</li> <li>Pietra Gray Marble / Hond Finishing</li> </ul> </div> </div> </div> </div> <div class="mt-1 flex gap-3 empty:hidden juice:-ml-3"> <div class="items-center justify-start rounded-xl p-1 flex"> <div class="flex items-center">&nbsp;</div> </div> </div>

Engineer Banaei's Project

Engineer Banaei's Project

<p>Engineer Banaei's Project, located in Mehrshahr, Karaj, Alborz Province, Iran.</p> <p>The materials used in this project are listed below:</p> <ul> <li>Pietra Gray</li> <li>Persian Silk</li> </ul>

Engineer Abadi's Project

Engineer Abadi's Project

<p>Engineer Abadi's Project, located in Jahanshahr, Karaj, Alborz Province, Iran.<br />The materials used in this project are listed below:<br />- Pietra Gray Marble / Polished Finishing<br />- Gray Persian Titan</p> <p>- Ghorveh Marble / Slab</p>

Emadi Stone Company Project

Emadi Stone Company Project

Australia - Pietra Gray 2013

Australia - Pietra Gray 2013

<p>Project - Location: Australia , residance. Wall, floor application, stairs</p> <p>Year: 2013</p> <p>Material: Pietra Gray Marble</p> <p>Size: Various</p> <p>Surface: Honed, Polished</p> <p><img class="wscnph" src="https://pic.stonecontact.com/picture2025/202502/company/project-show/63570/description-australia-pietra-gray-2013-1-1381-b.jpg" /><img class="wscnph" src="https://pic.stonecontact.com/picture2025/202502/company/project-show/63570/description-australia-pietra-gray-2013-2-1381-b.jpg" /><img class="wscnph" src="https://pic.stonecontact.com/picture2025/202502/company/project-show/63570/description-australia-pietra-gray-2013-3-1381-b.jpg" /><img class="wscnph" src="https://pic.stonecontact.com/picture2025/202502/company/project-show/63570/description-australia-pietra-gray-2013-4-1381-b.jpg" /><img class="wscnph" src="https://pic.stonecontact.com/picture2025/202502/company/project-show/63570/description-australia-pietra-gray-2013-5-1381-b.jpg" /></p>

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