MD86W8: Fluorite with Siderite and Sphalerite - Blackdene Mine, County Durham United Kingdom
Fluorite with Siderite and Sphalerite

Blackdene Mine, Ireshopeburn, Weardale, North Pennines Orefield, County Durham  United Kingdom (±1976)

Specimen size: 9.7 × 6.5 × 8.5 cm = 3.8” × 2.6” × 3.3”
Main crystal size: 1.4 × 1 cm = 0.6” × 0.4”

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