Fluorite & Calcite
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West Boltsburn Mine, Rookhope, Weardale, Co. Durham, England
997
Large siderite 'Floater' specimen with the outer edge covered by pale but lustrous fluorite crystals (largest 13x13mm) whilst the specimen centre is dusted with sharp calcite crystals.
Formula: Fluorite CaF2; Calcite CaCO3
Status: Sold
Dimensions: 105x75x30mm
Size: Large Cabinet (L)
Minerals of the English Midlands
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