Opal is a gemstone consisting of hydrated amorphous silica with the chemical formula SiO2.nH2O. There are two basic forms of opal described by visual appearance.
Precious Opal - is opal which exhibits the phenomenon known as play-of-colour, produced by the diffraction of white light through a micro-structure of orderly arrayed silica spheres to produce changing spectral hues..
Taranto Opal is committed to providing goods of superior craftsmanship and quality.Our jewellery products are guaranteed to be free of original manufacturing defects and our Opals are carefully examined for defects prior to release. If a manufacturing defect is found upon inspection by our jeweller we will have the item repaired or replaced at our discretion, free of charge provided it is returned with your receipt within 30 days of purchase.