Fluorite, ca 7 mm interpentrant twin on 25 mm matrix. Burtree Slitts, Cowshill, Weardale, Co Durham.
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Swaledales in Weardale
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Watching out for elephants!
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Glassy fluorite penetration twins to 13 mm with calcite on 8 cm matrix, Height's Cross Vein, nr Westgate, Weardale.
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elongate lilac fluorite, 56 mm long, 10 mm wide, from Blackdene Mine, Weardale, Durham.
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