Blue John Jewellery

Blue John is a unique semi-precious form of fluorite from Castleton, Derbshire. It is a carboniferous gemstone around 350 million years old.

bleu-jaune, meaning 'blue-yellow'

Uncut pieces, have bands of purple-blue and yellow layers and vary in size and colour. Our jewellery is cut, shaped and polished by us and is always of a solid form which enhances its natural beauty. This gemstone is prized and valued all over the World.

Sterling silver chains are also available (limited stocks at the moment)

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