Sardonyx Small Tumbled Stones – Glossy
Stones with red, orange and brown shades that have been tumbled to develop a smooth, glossy finish.
Some stones are single colour and some are banded.
Like agate, onyx is a rock consisting primarily of cryptocrystalline silica, chiefly chalcedony. Onyx is composed of layered chalcedony and is characterised by parallel bands. It is best known as being white with black bands but coloured bands are more common. In sardonyx the bands consist of sard which has a red colour.
Many of the stones have visible parallel bands but some are fairly uniform reddish shades. This is because the bands dominate or because the stones are purely from a sard band that was present in a larger sardonyx rock.
Longest dimension is 5mm-15mm with average length about 9mm.
These are ideal for use in resin art.
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Pack Size & Stone Size