How to Identify a Genuine Peridot: Expert Tips for Spotting the Real Gem
Peridot, with its captivating green hue, has enchanted jewellery enthusiasts for centuries.
In short: Genuine peridot (olivine variety, Mohs 6.5-7) shows strong double refraction — letters viewed through a faceted peridot appear doubled. Colour is yellow-green to olive-green (caused by trace iron); pure deep green is rare and commands a premium. Imitations include green glass (single refraction, often bubbles) and green tourmaline (different RI).
However, the market is awash with imitations, making it essential to distinguish genuine peridot from fakes.
This guide will walk you through the key characteristics of authentic peridot and offer practical tips to ensure your gemstone is the real deal.
Introduction to Peridot
Peridot is a gemstone that has been cherished since ancient times, often associated with prosperity and good fortune.
Its vibrant green colour makes it a popular choice in various jewellery pieces, from rings to necklaces.
Given its popularity, the market has seen a surge in counterfeit versions, making it crucial for buyers to be equipped with the knowledge to identify genuine peridot.
What is Peridot?
Peridot is the gem-quality variety of the mineral olivine.
It forms deep within the Earth's mantle and is brought to the surface through volcanic activity.
peridot is one of the few gemstones that occur in only one colour—green.
However, the exact shade can vary from yellowish-green to olive, depending on the iron content within the stone.
