Chalcedony Necklace (4,5 x 3cm).
Silver settings and adjustable clasp.
Premium-quality cotton cord.
Chalcedony is a variety of microcrystalline quartz characterised by its fibrous structure and translucent or waxy appearance. It usually forms in cavities within volcanic and sedimentary rocks, occurring in a wide range of colours and botryoidal forms. Due to its hardness of 7 on the Mohs scale and its natural beauty, it is a key gemstone in both mineral collecting and fine jewellery cutting.
