Collection: Sardonyx - Meaning, Properties & Origin | Gemstone Lexicon

Sardonyx fascinates with its contrasting bands and natural structure.


A gemstone with strong character, striking radiance, and timeless elegance.

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Discover the radiant Sardonyx jewelry – A gemstone full of elegance

Sardonyx is a fascinating gemstone that has been prized for centuries for jewelry and works of art. The special combination of deep red and white bands makes each stone unique. The ancient Romans and Egyptians already used sardonyx for signet rings, amulets, and elaborate engravings.

Its distinctive color stripes – from warm red to pure white – lend an elegant and classic character to any piece of jewelry. Sardonyx is excellently suited for pendants, rings, earrings, and bracelets and is a symbol of courage, determination, and inner strength.
The Origin of Sardonyx

Sardonyx is a variety of chalcedony, a fibrous form of quartz. The distinctive color layers are formed by alternating inclusions of iron oxide (red) and pure chalcedony (white). Sardonyx is usually found in sedimentary deposits, where it is formed by the silicification and deposition of minerals in layers.
Color Variety and Processing

The characteristic bands of sardonyx alternate between red, brown, and white. Each stone is unique, as no two patterns are alike. This optical variety makes sardonyx a particularly popular material for artistic engravings, pendants, rings, or brooches.
Effect and Symbolism

Sardonyx has been considered a power stone since antiquity: it is said to promote courage, steadfastness, and inner strength. Many use it as a protective stone or as support in decision-making. Its harmonious color scheme conveys calm and balance, while the red stripes symbolize energy and vigor.
Chemical formula:

SiO2 + Fe
Mineral class:

Oxide / Quartz group
Crystal system:

trigonal
Mohs hardness:

6.5–7
Cleavage:

no cleavage, conchoidal fracture
Occurrence:

Brazil, India, Uruguay, South Africa, USA

Sardonyx jewelry is thus not only a visual highlight but also a symbol of strength, protection, and style. Discover the timeless elegance of this unique gemstone and add a classic touch to your look.