Description
Carnelian Polished Pebble – Natural Chalcedony Quartz
This Carnelian Polished Pebble is a genuine natural quartz specimen, carefully selected for its rich orange to reddish tones and smooth, high-quality finish. The stone has been shaped and polished to enhance its natural colour and subtle internal patterns while retaining the integrity of the mineral. The photograph shows the exact specimen you will receive.
This crystal includes a Certificate of Authenticity lifetime guarantee generic card confirming it as a genuine mineral specimen. Full sizing please see photo for accurate dimensions and scale.
Mineral Species & Scientific Background
Carnelian is a variety of chalcedony, which itself is a microcrystalline form of quartz composed of silicon dioxide (SiO₂). Chalcedony forms in the trigonal crystal system and consists of extremely fine intergrowths of quartz and moganite. Unlike large, visible quartz crystals, chalcedony displays a smooth, compact texture due to its microscopic crystal structure.
The distinctive orange, red, and amber hues of carnelian are caused by the presence of iron oxide impurities within the silica matrix. Colour intensity can range from pale peach and honey-orange to deep burnt orange and reddish-brown. Some specimens display gentle internal clouding or faint banding typical of chalcedony formation.
With a Mohs hardness of approximately 6.5–7, carnelian is durable and well suited for polishing, tumbling, and ornamental carving.
Geological Formation & Occurrence
Carnelian typically forms in volcanic and sedimentary environments where silica-rich fluids fill cavities, fractures, and voids within host rock. Over time, these fluids slowly deposit layers of microcrystalline quartz, creating nodules and agate formations. Iron content within the surrounding rock or groundwater contributes to the stone’s warm colour palette.
It is commonly associated with other quartz varieties such as agate, jasper, and amethyst, and may occur alongside minerals including calcite and hematite. Natural carnelian can sometimes deepen in colour when exposed to heat, either through geological processes or traditional lapidary techniques.
Finish, Texture & Visual Appeal
This polished pebble has been finished to a smooth, tactile surface that highlights the depth and warmth of the stone’s colour. The polish enhances its natural translucency, particularly around thinner edges where light may gently pass through the stone.
Carnelian often exhibits a soft vitreous to waxy lustre due to its chalcedony structure. The rounded pebble shape makes it comfortable to hold and visually pleasing for display in mineral collections, decorative bowls, or curated crystal arrangements.
Each piece is unique, with natural variations in tone, internal patterning, and clarity.
Historical & Traditional Context
Carnelian has been used since antiquity in jewellery, seals, beads, and decorative carvings. Ancient civilisations valued it for ornamental purposes and symbolic meaning. In various traditions, it has been traditionally associated with vitality, creativity, and spiritual symbolism. Such associations are cultural and belief-based rather than scientific claims.
Today, polished carnelian pebbles remain popular among mineral collectors, gemstone enthusiasts, and those who appreciate natural decorative stones.
Authenticity & Product Details
• Genuine natural Carnelian (Chalcedony – Quartz SiO₂)
• Smooth polished pebble specimen
• Orange to reddish iron-rich colouration
• Carefully selected individual piece
• Includes Certificate of Authenticity lifetime guarantee generic card
• Photo shows the exact specimen you will receive
• Full sizing please see photo
This Carnelian polished pebble combines geological interest, vibrant natural colour, and timeless decorative appeal, making it a versatile addition to any mineral or crystal collection.
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