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Osh Onyx

Osh Onyx

Onyx

Kyrgyzstan

About

Item Details

Material Type:
Onyx
Origin:
Kyrgyzstan (Osh region)
Recommended Usage:
Commercial tops, bar and bathroom countertops, ornamental stone, interior & exterior wall applications, mosaic, waterjet pattern, wall panels, table tops, fireplace surround, sculptures, balustrades, columns
Additional Names:
Irkeshtam Onyx, Kyrgyzstan Rainbow Onyx, Osh Waterfall Onyx
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Chiseled,Pickling

Testing

Water Absorption:
0.20 - 0.40 %
Density:
2630 - 2690 kg/m³
Flexural Strength:
9–14 MPa
Compressive Strength:
95 - 110 MPa

Description

Osh Onyx is a premium natural onyx quarried in the Osh Region of Kyrgyzstan. It is renowned for its distinctive banded, "waterfall" appearance, featuring elegant flowing layers in cream, beige, honey, copper-brown, and occasional grey tones. Each block displays unique natural banding, with pattern density ranging from fine linear stripes to dramatic wave-like formations, making it a highly decorative material for luxury architectural and interior design applications. Its translucent nature also makes it ideal for backlit installations.

Stone Characteristics

  • Stone Type: Natural Onyx
  • Origin: Osh Region, Kyrgyzstan
  • Primary Colors: Cream, beige, honey, copper-brown, light grey
  • Texture: Fine to medium crystalline with a smooth translucent surface
  • Pattern: Distinctive parallel banding, waterfall-like waves, linear stripes, and flowing layered formations
  • Transparency: Medium to high translucency suitable for backlighting
  • Available Finishes: Polished, honed, leathered, brushed, antique

Typical Physical & Mechanical Properties

(Average values – may vary slightly between quarry blocks)

  • Density: 2.63–2.69 g/cm³
  • Water Absorption: 0.20–0.40 %
  • Open Porosity: 0.5–1.0 %
  • Compressive Strength: 95–110 MPa
  • Flexural Strength: 9–14 MPa
  • Abrasion Resistance: Moderate
  • Frost Resistance: Limited; recommended for interior use
  • Mohs Hardness: 3.0–3.5

Typical Chemical Composition (% by Weight)

  • CaCO₃ (Calcium Carbonate): 95–98
  • MgCO₃: 0.5–2.0
  • SiO₂: 0.3–1.5
  • Fe₂O₃: 0.1–0.6
  • Al₂O₃: 0.05–0.3
  • Other Trace Minerals: <1.0

Typical Mineral Composition (% by Weight)

  • Calcite: 90–96
  • Aragonite: 2–6
  • Dolomite: 0–3
  • Quartz: 0–2
  • Iron-bearing Minerals: Trace
  • Clay & Accessory Minerals: Trace

Applications

  • Luxury interior wall cladding
  • Feature walls
  • Reception counters
  • Hotel lobbies
  • Bathroom vanity tops
  • Decorative fireplace surrounds
  • Bar counters
  • Backlit wall panels
  • Backlit countertops
  • Elevator interiors
  • Columns and pillars
  • Furniture tops
  • Decorative art panels
  • High-end residential and commercial interiors

Maintenance

  • Seal regularly with a high-quality natural stone sealer.
  • Clean using pH-neutral stone cleaners only.
  • Avoid acidic or alkaline cleaners, including vinegar and bleach.
  • Wipe spills immediately, especially acidic liquids such as wine, lemon juice, and coffee.
  • Use soft cloths or microfiber towels for routine cleaning.
  • Protect polished surfaces from scratching with appropriate pads and mats.
  • Suitable primarily for interior applications where exposure to weather is limited.

Special Features

  • Naturally translucent with excellent backlighting performance.
  • Decorative band widths vary from fine linear stripes to bold wave-like formations.
  • Warm cream-to-copper tones create an elegant, luxurious appearance.
  • Each block offers unique visual movement and patterning, making every installation one of a kind.
  • Well suited for book-matched and vein-matched installations in premium architectural projects.

FAQ

Is Osh Onyx heat resistant? Is it suitable for use in fireplaces?

Osh Onyx is a type of onyx stone, and while onyx is generally used for decorative purposes, it is not highly heat resistant. Onyx is a calcium carbonate stone, which is softer and more porous than other stones like granite or marble. This makes it more prone to damage from high temperatures and rapid thermal changes. For fireplaces, materials that are more heat-resistant and durable, such as fire bricks, granite, marble, or specific types of engineered stone, are usually recommended. If youre considering using Osh Onyx in a fireplace setting, its best utilized in areas that are not directly exposed to heat or flames, such as a fireplace surround that is well away from the heat source. Always consult with a professional stone mason or fireplace expert to determine the suitability and safety of using specific materials in your fireplace design.
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Can Osh Onyx be used as a kitchen cutting board?

Osh Onyx is a type of stone often used for decorative purposes, such as countertops, tiles, or other architectural features. While it might be tempting to use it as a cutting board due to its aesthetic appeal, it is not recommended for several reasons: 1. **Porosity**: Onyx is a relatively porous stone, which means it can absorb liquids and stains easily. This makes it unsuitable for use in food preparation areas where it could come into contact with raw food juices and spills. 2. **Durability**: Onyx is softer and more brittle than other stones like granite or quartz. Using it as a cutting board could lead to scratching, chipping, or even breaking the surface. 3. **Maintenance**: Due to its susceptibility to scratches and stains, onyx requires more maintenance. Regular sealing is necessary to keep it in good condition, which is not practical for a cutting board. 4. **Knife Damage**: Using a hard stone surface as a cutting board can dull your knives quickly and lead to more frequent sharpening. For these reasons, it is better to stick with materials specifically designed for cutting boards, such as wood, bamboo, or food-grade plastic, which are more sanitary, preserve the integrity of your knives, and are easier to maintain.
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How can I clean the grout of Osh Onyx wall tiles?

Cleaning the grout of Osh Onyx wall tiles is essential to maintain their appearance and longevity. Here’s a step-by-step guide to help you achieve that: 1. **Gather Your Materials**: - Baking soda - White vinegar - Water - A small bowl - An old toothbrush or small scrub brush - A sponge or cloth - A spray bottle - Optional: hydrogen peroxide for stubborn stains 2. **Prepare a Cleaning Paste**: - Mix equal parts of baking soda and water to form a paste. This mixture will serve as a mild abrasive cleaner thats safe for grout cleaning. 3. **Apply the Paste**: - Use your fingers or a small brush to apply the baking soda paste directly onto the grout lines. Ensure you cover all areas that need cleaning. 4. **Spray with Vinegar**: - Fill a spray bottle with white vinegar. Spray the vinegar over the baking soda paste. You’ll notice a fizzing reaction that helps lift dirt from the grout. 5. **Scrub the Grout**: - Allow the mixture to sit for a few minutes, then scrub the grout lines with the toothbrush or scrub brush. Apply enough pressure to remove the dirt, but be gentle enough to avoid damaging the grout or tiles. 6. **Rinse and Wipe**: - Use a damp sponge or cloth to wipe away the baking soda and vinegar residue. Rinse the sponge or cloth regularly to ensure all grime and cleaner are removed. 7. **Tackle Stubborn Stains**: - For stubborn stains, make a paste with baking soda and a small amount of hydrogen peroxide. Apply it to the stained area, let it sit for 10-15 minutes, then scrub and rinse as before. 8. **Dry the Tiles**: - Use a dry cloth or towel to wipe down the tiles and grout to prevent water spots and mildew. 9. **Prevent Future Stains**: - Consider applying a grout sealer once the grout is completely clean and dry to protect it from future staining and dirt buildup. Remember to always test any cleaning solution on a small, inconspicuous area first to ensure it does not damage the tiles or grout.
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I have a Osh Onyx tabletop with a vein that looks broken. Should I glue it?

If you have a tabletop made of Osh Onyx with a vein that appears broken, youll want to proceed carefully to maintain its appearance and integrity. Here are some steps you can follow to address the issue: 1. **Assessment**: First, ensure that the broken vein is not just a natural part of the stones design. Some onyx patterns may appear irregular or fractured as part of their natural beauty. 2. **Cleaning**: Clean the area gently with a soft cloth and a mild soap solution to remove any dust or debris. Ensure the surface is dry before proceeding with repairs. 3. **Adhesive Choice**: Use a high-quality, clear epoxy adhesive designed for stone repair to avoid any visible marks. This type of adhesive is strong and dries clear, which is ideal for maintaining the natural look of onyx. 4. **Application**: Apply the epoxy carefully to the cracked area using a fine brush or applicator. Avoid applying too much, as excess adhesive can create an unsightly appearance. 5. **Alignment**: If the vein shows actual separation, gently press the pieces together to align them correctly while the adhesive sets. 6. **Curing Time**: Allow the adhesive to cure according to the manufacturers instructions, avoiding any stress on the joint during this time. 7. **Finish**: Once the adhesive has fully cured, you can polish the area with a fine-grade abrasive or a specialized stone polish to achieve a smooth finish. 8. **Professional Repair**: If you are uncomfortable performing the repair yourself, it may be best to consult with a professional specializing in stone restoration. In all steps, take care not to scratch or further damage the onyx surface. If in doubt, seeking professional advice or assistance is always a prudent option to ensure the repair retains the natural beauty of your onyx tabletop.
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If lemonade spills on a Osh Onyx countertop, will it damage the surface?

Osh Onyx countertops are typically made from engineered stone, like quartz, which is known for its durability and resistance to stains and etching. However, citrus juices, like lemonade, are acidic and can potentially cause damage if left on the surface for an extended period. To prevent any damage: 1. **Wipe Immediately**: Clean up any spills quickly with a soft cloth or sponge. 2. **Use Mild Cleaners**: Avoid harsh or abrasive cleaners, which could damage the surface. 3. **Rinse Thoroughly**: If you use any cleaning solution, ensure its rinsed off with water afterward. Regular care and maintenance can help preserve your countertops appearance and longevity. Always refer to the manufacturers care instructions for the best results.
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Can I use bleach when cleaning a Osh Onyx bathroom countertop?

Using bleach on an Osh Onyx bathroom countertop is not recommended. Bleach can be too harsh and may damage the surface, causing discoloration or weakening the material over time. Instead, its best to use a mild soap or a gentle, non-abrasive cleanser specifically designed for solid surfaces. Always rinse thoroughly with water and dry with a soft cloth to maintain the countertops finish. If you need to remove tough stains, consider using a cleaner that is recommended by the manufacturer or consult their care guide for specific recommendations.
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