Description Table of Contents Toggle Iolite 3.51 carat blue-violet oval - faceted, natural & certifiedCharacteristics & OriginSpecial featuresMore about our gemstonesFurther information Iolite 3.51 carat blue-violet oval - faceted, natural & certified A lively, oval faceted iolite (cordierite) with characteristic blue-violet and fine dichroism, showing nuances of blue, violet and gray depending on the direction of view. Untreated, with beautiful brilliance and jewelry quality - ideal for rings or pendants; supplied with independent certificate. Characteristics & Origin Stone: Iolite (cordierite)Color: Blue-violet (dichroic)Shape: Oval (faceted)Size: approx. 12 × 10 mmWeight: 3.51 caratPurity: Small inclusions (less than 10× visible)Treatment: UntreatedHardness: 7 on the Mohs scaleOrigin: MadagascarCertificate: Valérie DURAFFOURG (Gem-A) – Delivery with certificateCondition: New Special features Pronounced dichroism ensures changeable blue to violet tones with elegant brilliance - particularly impressive in oval faceting. Untreated quality with reliable Gem-A certification offers maximum safety and an attractive, natural color effect for fine jewelry. More about our gemstones Gemstones Further information Wikipedia: Cordierite