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Blue John (mineral)

Blue John (mineral)

Form of fluorite and semi-precious mineral.

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Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 1,182 clicks on its links

  1. Blue John Cavern

    Show cave in Derbyshire, England.

    38%

  2. Fluorite

    Mineral form of calcium fluoride.

    16%

  3. Treak Cliff Cavern

    Show cave in Derbyshire, England.

    14%

  4. Barber Cup and Crawford Cup

    Ancient Roman cups.

    7.8%

  5. The Terror of Blue John Gap

    Short story by Arthur Conan Doyle.

    6.9%

  6. Ormolu

    Gilding technique.

    6.3%

  7. Castleton, Derbyshire

    Village and civil parish in England.

    6.1%

  8. Sphalerite

    Zinc-iron sulfide mineral.

    2.4%

  9. Derbyshire

    Non-metropolitan and ceremonial county in England.

    2.1%

  10. Winnats Pass

    Hill pass in the Peak District, England.

    0.85%

Readers come from

Share of the 1,131 readers arriving from another article

  1. Blue John Cavern

    Show cave in Derbyshire, England.

    26%

  2. Fluorite

    Mineral form of calcium fluoride.

    17%

  3. Castleton, Derbyshire

    Village and civil parish in England.

    9%

  4. Mam Tor

    Hill near Castleton in the High Peak of Derbyshire, England.

    7.2%

  5. Peak District

    Upland area in England.

    5.9%

  6. Treak Cliff Cavern

    Show cave in Derbyshire, England.

    5.8%

  7. F-center

    Type of crystallographic defect.

    4%

  8. The Terror of Blue John Gap

    Short story by Arthur Conan Doyle.

    3.8%

  9. Painshill

    Park and landscape garden in England.

    2.1%