Fluorite & Siderite

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Fluorite & Siderite

West Boltsburn Mine, Rookhope, Weardale, Co. Durham, England

Reference: 1269

Unusual coloured fluorite specimen from the famous Boltsburn mine displaying glassy un-twinned cubes to 10mm. Interesting matrix of predominantly brown weathered siderite but retaining a small central core of unaltered straw coloured siderite. Found in 2016.

Formula: Fluorite CaF₂; Siderite Fe²⁺CO₃

Status: Sold

Dimensions: 90x85x40mm

Size: Small Cabinet (S)