What is Whitby Jet? Whitby Jet information available online is often confusing and more often than not, is actually incorrect. As a professional gemmologist, geologist and postgraduate jet researcher at Durham University Sarah is the only scientist working exclusively in the field of Jet research. Her aim is to classify the whole Jet Group of gemstones in order to better understand and ultimately protect these ancient gem materials and those peoples who work them as a way of life. 

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