Inclusions in precious and semi-precious gemstones

Dr Robert Sturm (Austria) Gemstones are commonly regarded as natural wonders, and their infatuating beauty and rareness has fascinated us from time immemorial. Besides the obvious macroscopic appearance, many a gemstone is characterised by a ‘hidden’ microscopic inner life of breathtaking aesthetics. Among non-experts, such inclusions in precious and semi-precious…


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