Jasper and sard are opaque sorts of chalcedony, a microcrystalline type of quartz. Jasper displays a variety of colours and patterns on account of diversified mineral inclusions, producing hues from earthy browns and reds to vibrant greens and blues. Sard, in distinction, usually shows reddish-brown hues, starting from a pale, fleshy tone to a deep, brownish-red, usually likened to carnelian however typically darker.
These gem stones maintain historic and cultural significance. Their sturdiness and vibrant colours made them widespread selections for ornamentation and ornamental arts in historical civilizations. Proof of their use could be present in jewellery, seals, and inlays courting again millennia. Variations in shade and sample usually influenced symbolic interpretations, associating particular colours with explicit properties or deities.
