The jet found at Whitby, in England, is the "Jet Rock" [9] unit of the Mulgrave Shale Member, which is part of the Whitby Mudstone Formation. This jet deposit was formed approximately …

Jet is a rock similar to coal that can be cut into a black, highly reflective gem. Often called Whitby Jet because of a famous locality on the east coast of England.

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Commonly mistaken for coal, Whitby jet is the anaerobically fossilised wood of the Monkey Puzzle tree (Araucaria Araucana).

2025年1月8日 · Whitby jet is a fossilised gemstone, made into world-famous Whitby jet jewellery. Learn more about its history & industry in Whitby.

What is Whitby jet? Learn the definition of Whitby jet from the world expert and leading scientific researcher into this historic gemstone.

2024年3月30日 · Popular legend has it that jet is the fossilised remains of an ancestor of a monkey puzzle tree deposited on the Yorkshire coast 180 million years ago. ‘That’s a myth,’ …

Nestled within the scenic coastal town of Whitby, North Yorkshire, England, is a legacy steeped in time and tradition: Whitby Jet. This enigmatic black gemstone, reminiscent of a moonless …

2020年12月29日 · Our lovely town is famous for its association with the precious black gemstone, sometimes known as Whitby jet. Beautiful and distinctive, we love seeing jet jewellery in …