Onyx is a natural stone formed from layers of chalcedony, a variety of quartz, often banded in contrasting colours such as white, black, brown, or green. It is prized for its translucent beauty, which allows light to pass through, giving it a striking, glowing appearance when backlit. Onyx is mainly used for decorative and feature purposes, such as feature walls, flooring, countertops, and tabletops, where its unique patterns and colours can be showcased.

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  • golden white onyx veined stone from grama blend uk

    Golden White Onyx Veined

    Characterised by a fine grain and homogenous beige background tending at times towards ivory, and crossed by faint golden-brown veins.

  • iris light onyx stone from grama blend uk

    Iris Light Onyx

    Iris Light Onyx has a crystalline beige background. Very thin and continuous brown veins cross the slab longitudinally.

  • ivory vein cut onyx stone from grama blend uk

    Ivory Onyx Vein Cut

    Ivory Onyx Vein Cut presents a delicate ivory white background with varied hues, natural intrusions ranging from white, beige and caramel tones.

  • caramel onyx close up

    Onyx Caramel

    Onyx Caramel is a dramatic gold and honey coloured natural onyx.

  • onyx miele stone from grama blend uk

    Onyx Miele

    This stone is brown and cream with swirling veins that resemble a large bubble pattern. This onyx has a translucent quality ideal for back-lighting.

  • onyx sunset stone from grama blend uk

    Onyx Sunset 2

    Onyx Sunset 2