List of products by supplier: D. Barker collection

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  Fluorite & Calcite

  Heights Quarry, Eastgate, Weardale, Co. Durham, England

  Reference : 1929

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  Fluorite

  Rogerley Mine, Frosterley, Weardale, Co. Durham, England

  Reference : 1900

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  Fluorite

  Hampstead Farm quarry, Sodbury, South Gloucestershire, England

  Reference : 1097

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  Mimetite Var. Campylite

  Dry Gill Mine, Caldbeck Fells, Cumbria, England

  Reference : 909

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  Fluorite

  Rampgill mine, Nenthead, Cumbria, England

  Reference : 907

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  Fluorite

  West Pasture mine, Stanhope, Weardale, Co. Durham, England

  Reference : 905

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