Blue Onyx

Product Features

  • Material TypeNatural Onyx (Calcite-based marble/onyx)
  • ColorDeep to light blue with white/golden/cream veins and clouds. Translucent with elegant banding.
  • Product FormsSlabs (primary), Tiles, Blocks, Cut-to-size, Mosaics
  • Surface FinishPolished, Leathered, Grooved
  • Thickness20 mm (standard), up to 30 mm available
  • OriginIran (premium Persian Blue Onyx quarries)

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    Blue Onyx is a luxurious natural stone featuring stunning deep blue tones with elegant white and golden veins. Its translucent surface makes it perfect for backlit walls, countertops, feature panels, and high-end interior designs. At MOTstone, we proudly offer Blu Onyx stone of exceptional quality, sourced directly from reputable quarries and processed with advanced technologies to ensure a superior finish and durability.

    Sizes

    1600 x 3200

    1200 x 2800

    1200 x 2400

    800 x 1800

    1600 x 1600

    600 x 1200

    1200 x 1200

    300 x 600

    600 x 600

    Average human height for scale

    All sizes shown to scale, in millimetres.

    Additional information

    Applications

    Interior: Backlit feature walls, countertops (protected), vanities, bar fronts, reception desks, wall cladding, fireplace surrounds (low-traffic), luxury interiors, hotels, spas. Excellent for translucent/backlit effects.

    Durability & Care

    Polished/resin-treated for beauty & ease.
    Seal regularly (acid-sensitive as calcium carbonate).
    pH-neutral cleaners only. Avoid abrasives & acids (vinegar, citrus).
    Indoor use recommended.

    Sales / Export from Iran

    Premium export-grade slabs. Competitive pricing (direct quarry).
    Worldwide shipping available. Contact for quotes (e.g., via WhatsApp on your site).
    High demand for luxury projects.

    Hardness (Mohs)

    3–4 (calcite onyx; softer than granite). Some references note up to 6.5 for denser varieties.

    Water Absorption

    Low: <0.2–1% by weight (resin-treated reduces further). Low porosity.

    Weight

    Approx. 2.5–2.7 g/cm³ density → ~50–55 kg/m² for 20 mm thickness. ~2.5–2.7 tons per cubic meter.

    porosity

    minimum: petty
    maximum: 2.5

    Abrasive Resistance

    4.2

    Compressive Strength

    1150

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