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Peruvian Blue Opal – Spotting a Fraud

The Peruvian Blue Opal is a stunning gemstone and if you are in the market for opal jewelry it is one of the best choices available, unfortunately, in a market plagued by high demand and limited supply a number of unscrupulous gem dealers are passing off imitation Blue Opal on many unsuspecting customers.

Australian Chrysoprase – The Outback’s Imperial Jade

Chrysoprase is a form of apple green chalcedony that is prized world wide for its appearance, oftentimes rivaling that of the finest imperial jade. Easily the most valuable stone in the chalcedony group that includes such notables as; carnelian, chrysocolla, onyx, agate, jasper, bloodstone, aventurine, flint, sardonyx and even petrified wood

Untreated Sapphires

The heat treatment of sapphires is one of the most common enhancement techniques in the gem industry today and generally regarded as stable, however, diffusion enhancement, a technique that improves color by introducing chemicals into the surface of the gemstone is not. Both techniques improve the color and clarity of pale, included or lifeless stones and make a great deal more attractive product available to a wider market. So when you are looking for a sapphire, why should you consider an untreated stone?