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Archaean Century Limestone

Archaean Century Limestone

Limestone

Jordan

About

Item Details

Material Type:
Limestone
Origin:
Jordan
Recommended Usage:
planters, fountains, facade, urban street furnitures, building stone, ornamental stone, stairs, interior, exterior wall applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, fireplaces
Additional Names:
Primeval Era Limestone, Ancient Eon Limestone, Archean Eon Limestone, Archean Era Limestone, Archaean Beige Limestone, Ajloun Sahara Limestone, Ajlouni Limestone, Ajloun Stone, Desert Beige Limestone, Ajloun Desert Beige Stone, Ajlouni Desert Beige Limestone, in China stone market:太古世纪(Tài gǔ shì jì)
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.7 – 1.2 %
Density:
2655 kg/m³
Flexural Strength:
8 – 11 MPa
Compressive Strength:
60 – 80 MPa

Description

Archaean Century Limestone — a warm, sandy-beige Jordanian limestone with golden highlights and prominent fossil segment patterns, quarried from the Ajloun / Deir ʿAllā region (≈40–50 km NW of Amman).

Visual & tactile characteristics

  • Background colour: warm sandy beige with golden-yellow hues and occasional cream tones.
  • Pattern: abundant fossil segments (shell fragments, bioclasts) and bedding lines that create organic, rhythmic texture — from subtle veining to clearly visible rounded fossil sections.
  • Texture: typically fine- to medium-grained calcitic matrix hosting coarser fossil fragments; feels slightly grainy to the touch where fossils are exposed, smoother on compact calcitic areas.
  • Appearance variability: natural variation in tone and fossil density between blocks; veining and fossil clustering can produce feature/bespoke slabs ideal for focal walls or reception counters.

Typical mineral & chemical composition

(typical ranges — laboratory testing required for contract)

  • Calcium carbonate (CaCO₃, mainly calcite): 94.0 – 98.0 %
  • Magnesium (as MgO / dolomite): 0.1 – 1.0 %
  • Silica (SiO₂ — quartz, siliceous grains): 0.3 – 3.0 %
  • Alumina (Al₂O₃ — clays): 0.1 – 1.0 %
  • Iron oxides (Fe₂O₃): 0.01 – 0.5 %
  • Organic carbon / humic mattertrace – 1.0 %
  • Others (sulfides, phosphates, trace minerals): trace amounts

Mineralogy:predominantly calcite (CaCO₃) with local occurrences of dolomite, minor quartz grains, and clay minerals (illite/kaolinite) in minor amounts. Fossil fragments are shell-carbonate and skeletal debris (bioclasts).

Note: those are representative ranges for a fossiliferous Jordanian limestone of this style. For engineering or chemical specifications, request a certified lab analysis of the exact block/lot.

Mechanical & physical test data

  • Water absorption: 0.7 – 1.2 % ( typical for moderately dense limestone)
  • Bulk density / apparent density: ≈ 2655 kg/m³ 
  • Flexural strength (Modulus of Rupture): 8 – 11 MPa 
  • Compressive strength (typical range): ~40 – 110 MPa (depends on porosity, fossil content and bedding) — measure before structural use.
  • Mohs hardness: ~3.0 – 3.5 (soft-to-moderate; scratches with harder minerals/abrasives)
  • Porosity (open porosity): typically 1–6 % (correlates with water absorption; fossil porosity may be higher locally)
  • Freeze–thaw resistance: moderate — good in sheltered exterior uses if properly installed and drained; in climates with frequent freeze–thaw cycles some protective detailing and sealers are recommended.
  • Thermal behaviour: low thermal expansion; stable for interior and shaded exterior facades.

Recommended technical uses

  • Interior: flooring (low–medium traffic), wall cladding, feature walls, fireplaces, reception desks, vanity tops (with sealer), stair treads (with appropriate finish), indoor columns and sculptural elements.
  • Exterior (with caution): light exterior cladding, window surrounds, landscape steps and low-wear facades — best in climates without extreme acid rain or very aggressive freeze cycles and when protected from direct splash/soil contact.
  • Architectural: hotel lobbies, upscale retail, museum interiors and other high-design applications where fossil texture is a desired focal point.

Not recommended for: heavy industrial floors, areas exposed to strong acids/alkalis, or very high abrasion without protective surface treatment.

Surface finish options

  • Polished: glossy, deep colour but shows scratches and requires more maintenance; fossils become accentuated.
  • Honed: smooth, low sheen — good for flooring and countertops where lower reflectivity is desired.
  • Leathered / brushed: textured, hides scratches and slip better — excellent for countertops and feature walls.
  • Sandblasted / bush-hammered: matte/textured, suitable for non-slip exterior use and dramatic tactile surfaces.
  • Tumbled: aged, softened edges — good for rustic floors and mosaics.
  • Sawn / honed edge (raw): for a contemporary, minimal look.

Choose finish based on slip resistance, appearance, and maintenance expectations.

Typical cutting sizes & tolerances

  • Blocks: typical quarried block sizes vary; common export block sizes ~ 1.2–3.0 m (length) × 1.0–1.8 m (width) × 0.6–1.2 m (height) depending on quarry.
  • Slabs (standard): 300 × 160 cm, 320 × 180 cm, 240 × 120 cm (availability depends on block size and sawing technique).
  • Slab thicknesses (finished): 2 cm (20 mm) and 3 cm (30 mm) are standard for countertops and cladding. Super-thin 10–12 mm and large format panels can be produced per request but depend on structural integrity.
  • Tiles / cut-to-size: typical tile sizes available: 60×60 cm, 60×120 cm, 30×60 cm, custom cut sizes possible.
  • Tolerance: sawn slab thickness ±2 mm typical; finished cut tolerances depend on fabricator but ±1–2 mm is common for precision work.

Maintenance & care

  • Sealing: highly recommended (penetrating / impregnating sealer) for countertops, flooring and exterior exposed faces to reduce staining and slow water ingress. Reapply sealers per manufacturer guidance (typically annually or per traffic).
  • Daily cleaning: pH-neutral stone cleaner or mild dish soap and water. Avoid acidic cleaners (vinegar, lemon), bleach or ammonia which can etch calcitic stone.
  • Stain management: blot spills quickly (especially oil, wine, coffee). Use poultices for oil or deep stains.
  • Repairs: small chips and fissures may be filled with color-matched epoxy or resin; large repairs should be handled by a stone restoration specialist.
  • Exterior care: keep drainage details clean; avoid soil contact and de-icing salts on finished surfaces (can cause surface degradation over time).

Installation & specification notes

  • Orientation: pay attention to vein/fossil orientation for visual continuity across slabs. Bookmatching or vein-matching can produce dramatic effects.
  • Anchoring & support: for heavy façade panels or large slabs provide adequate mechanical anchoring and backup support; check load calculations with the engineer.
  • Cutting & prefabrication: use diamond tools and water cooling; fossils and fossil pockets may require special attention to avoid chipping or breakouts.
  • Edge profiles: standard eased, bullnose, mitred island tops, and custom profiling are achievable; very thin edges over large spans should be supported to avoid breakage.

Health & environmental

  • Silica content: low-to-moderate — standard cutting dust controls (wet cutting, local extraction, PPE) recommended.
  • Sustainability: quarrying impacts are site dependent — request quarry reclamation and environmental practice documents if needed for certification (LEED, BREEAM, etc.).

Lab testing & certificates (recommended)

Before final approval for a project, obtain certified laboratory reports for the exact lot/block/slab covering:

  • Petrographic analysis (thin section)
  • Bulk density & open porosity
  • Water absorption & capillarity
  • Flexural & compressive strength (EN / ASTM standard tests)
  • Freeze–thaw resistance (if exposed)
  • Chemical analysis (XRF) for exact composition
  • Slip resistance (for flooring finishes)

FAQ

Does 2cm thick Archaean Century Limestone countertop crack easily?

Archaean Century Limestone, like other natural stone materials, can be quite durable, but the durability also depends on several factors, such as its specific composition, the installation quality, and how its used and maintained. A 2 cm thick limestone countertop is on the thinner side compared to more commonly used thicker stones (such as 3 cm), so it may be more susceptible to cracking under certain conditions. Here are some factors to consider: 1. **Support and Installation**: Proper support is crucial for thinner stone slabs. Ensure that the countertop is installed by professionals who can provide adequate support and reinforcement, especially underneath seams, cutouts, or spans over cabinetry. 2. **Use and Impact**: Avoid applying excessive force, dropping heavy objects, or putting concentrated weight on small areas, as these can increase the risk of cracking. 3. **Thermal Stress**: Natural stone can be susceptible to thermal shock. Avoid placing hot items directly on the countertop to prevent cracking due to sudden changes in temperature. 4. **Sealing and Maintenance**: Regular sealing can help protect the stone from staining and other damage, but wont directly impact cracking. However, proper maintenance is essential for the longevity of the countertop. If youre concerned about cracking and need a countertop that will withstand heavy use, considering a thicker slab or alternative materials like granite or quartz might be beneficial. Always consult with a stone professional to ensure that the countertop you choose will meet your needs and lifestyle.

Can Archaean Century Limestone tiles be used for high - traffic internal commercial flooring?

Archaean Century Limestone tiles can indeed be used for high-traffic internal commercial flooring, but several considerations should be taken into account before making a decision: 1. **Durability**: Limestone is a natural stone that is generally durable, but it is softer compared to other stones like granite. For high-traffic areas, it’s important to ensure that the limestone is dense and of high quality to withstand wear and tear. 2. **Finish**: The finish of the limestone can affect its suitability for high-traffic areas. A honed finish may be better than a polished one as it can show scratches and wear less easily. 3. **Maintenance**: Limestone requires regular maintenance, including sealing to protect it from stains and moisture. In commercial settings, this maintenance needs to be factored into operational considerations. 4. **Slip Resistance**: The slip resistance of the tiles is crucial, especially in commercial environments. Ensure that the tiles have an appropriate finish or treatment to prevent slipping. 5. **Aesthetic**: Limestone provides a natural and elegant aesthetic, which might be a determining factor if the visual impact is a significant consideration for your commercial space. 6. **Cost**: Consider the balance between the aesthetic appeal and the cost, including initial purchase and ongoing maintenance compared to other materials suitable for high-traffic areas. If these factors align with your projects needs and you take appropriate precautions, Archaean Century Limestone tiles can be an effective choice for high-traffic internal commercial flooring. However, consulting with a flooring specialist or a structural engineer is recommended to ensure the material is suitable for your specific application.

How to remove scratches from Archaean Century Limestone floor tiles?

Removing scratches from Archaean Century Limestone floor tiles requires a careful approach to ensure you do not damage the stone further. Here’s a step-by-step guide to help you with this: ### Materials Needed: - Warm water - Mild dish soap or pH-neutral stone cleaner - Soft cloths or microfiber towels - Stone polishing powder or compound (specifically for limestone) - Low-speed floor polisher or hand polisher with a soft polishing pad - Clear sealant for limestone (if necessary) ### Steps: 1. **Clean the Area**: - Begin by thoroughly cleaning the scratched area. Mix a few drops of mild dish soap or a pH-neutral stone cleaner with warm water. - Use a soft cloth or microfiber towel to gently clean the surface. Make sure all dirt and debris are removed as these can cause more scratches during the polishing process. - Rinse the area with clean water and dry it with a soft towel. 2. **Assess the Depth of Scratches**: - Inspect the scratches to determine their depth. Surface-level scratches can often be polished out, while deeper scratches may require more intensive repair. 3. **Polish the Surface**: - Apply a small amount of stone polishing powder or compound to the scratched area. Make sure it’s specifically designed for use on limestone. - If using a hand polisher, attach a soft polishing pad. For a small area, you might choose to polish by hand using a soft cloth. - Gently move the polisher or cloth in circular motions across the scratched area. This helps to evenly distribute the polishing compound. - Occasionally wipe the area to check the progress. Add more polishing powder as needed, and continue polishing until the scratch is minimized or eliminated. 4. **Clean Again**: - Once the scratches have been removed, clean the area again using a damp cloth to remove any remaining polishing compound. 5. **Seal the Surface (Optional)**: - If necessary, apply a clear limestone sealant to help protect the surface from future scratches. Follow the manufacturer’s instructions for application. 6. **Regular Maintenance**: - Regularly clean the floor with a pH-neutral stone cleaner and avoid using harsh cleaning agents. Place mats or rugs in high-traffic areas to protect the surface from scratches. ### Tips: - **Test a small area first**: Always test any cleaning or polishing product on a small, inconspicuous area of the floor first to ensure compatibility. - **Professional Help**: If the scratches are deep or you’re unsure about the repair process, consult a professional. They can offer services to grind and polish the surface, restoring it to its original state. By following these steps, you can effectively reduce or eliminate scratches on your Archaean Century Limestone floor tiles.

Are sandblasted finish Archaean Century Limestone floor tiles easily stained?

Sandblasted finish Archaean Century Limestone floor tiles have a textured surface that can make them more susceptible to staining compared to polished finishes. The porous nature of limestone means it can absorb liquids and stains more readily if not properly sealed. To minimize the risk of staining, its essential to: 1. **Seal the Tiles**: Apply a high-quality penetrating sealer specifically designed for natural stone. This will help reduce the porosity of the limestone and provide a protective barrier against stains. 2. **Clean Spills Immediately**: Wipe up any spills as soon as they occur to prevent them from penetrating the stone. 3. **Regular Maintenance**: Use a pH-neutral cleaner suitable for limestone to clean the floor regularly. Avoid using harsh chemicals or acidic cleaners, as they can damage the surface. 4. **Use Mats and Rugs**: Place doormats at entrances and use rugs in high-traffic areas to reduce abrasion and potential staining. 5. **Re-Seal Periodically**: Depending on the level of use, you may need to reapply the sealant every year or two to maintain the protective layer. By taking these precautions, you can significantly reduce the risk of staining on sandblasted finish Archaean Century Limestone floor tiles.

Is polished Archaean Century Limestone good for kitchen floors?

Polished Archaean Century Limestone can be a good choice for kitchen floors, but there are several factors to consider before making a decision: 1. **Aesthetic Appeal**: Limestone offers a natural and elegant look with its unique colors and patterns, which can enhance the overall appearance of your kitchen. 2. **Durability**: Limestone is generally durable but not as hard as granite or some other natural stones. It may be susceptible to scratching and chipping, especially in a high-traffic area like a kitchen. 3. **Porosity**: Being a porous material, limestone can absorb liquids and be prone to staining. Spills should be cleaned promptly, and sealing the stone can help reduce this risk. 4. **Maintenance**: Polished limestone requires regular maintenance, including cleaning with appropriate cleaners and regular resealing to maintain its finish and protect against moisture and stains. 5. **Slip Resistance**: When polished, limestone can become slippery, especially when wet. It’s important to consider this safety aspect, particularly in a kitchen setting where spills are common. 6. **Cost**: Natural stone can be costly both in terms of material and installation. Consider your budget when choosing limestone for your kitchen floor. Ultimately, if you appreciate the natural beauty of limestone and are committed to maintaining it, polished Archaean Century Limestone can be a suitable option for your kitchen floor. However, it’s crucial to weigh the pros and cons and ensure it aligns with your lifestyle and maintenance preferences.

What is the best way to clean Archaean Century Limestone floor tiles?

Cleaning Archaean Century Limestone floor tiles requires a gentle approach to maintain their natural beauty and prevent damage. Here are some steps to effectively clean these tiles: 1. **Sweep or Vacuum Regularly**: Start by removing loose dirt and debris. Use a soft-bristle broom or a vacuum cleaner with a hard floor setting to avoid scratching the surface. 2. **Use a pH-Neutral Cleaner**: Select a pH-neutral stone cleaner specifically designed for limestone. Avoid acidic or alkaline cleaners, as these can damage the stone. 3. **Mopping**: Mix the pH-neutral cleaner with warm water according to the manufacturers instructions. Use a soft mop to gently clean the surface. Avoid using too much water, as limestone is porous and can absorb moisture. 4. **Spot Cleaning**: For stubborn stains, make a paste using baking soda and water. Apply it to the stain, let it sit for a few minutes, and then gently scrub with a soft-bristle brush or cloth. Rinse with clean water and dry thoroughly. 5. **Dry the Floor**: After mopping or spot cleaning, use a dry microfiber cloth or mop to remove any remaining moisture. This step helps prevent water spots and mineral deposits. 6. **Seal the Limestone**: To protect the tiles, consider applying a stone sealer if they are not already sealed. Sealing helps prevent stains and makes regular cleaning easier. Follow the instructions on the sealer, and ensure the floor is completely dry before application. 7. **Avoid Harsh Tools and Chemicals**: Do not use abrasive scrubbers, steel wool, or harsh chemicals like bleach or vinegar, as these can scratch or etch the limestone. 8. **Regular Maintenance**: Implement a regular cleaning schedule to reduce the buildup of dirt and grime. Following these steps will help maintain the beauty and longevity of Archaean Century Limestone tiles. If you’re unsure about any product or method, it’s always best to consult with the tile manufacturer or a professional for specific guidance.

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