Fluorite & Quartz Crystals – Boltsburn Mine, Rookhope, County Durham, England
Fluorite & Quartz Crystals – Boltsburn Mine, Rookhope, Weardale, England
Fluorite & Quartz Crystals – Boltsburn Mine, Weardale, England
Fluorite & Siderite Crystal ‘Stalactite’ – Boltsburn Mine, Weardale, England
Fluorite & Siderite Crystals – Boltsburn Mine, Weardale, England
Fluorite Crystal – Boltsburn Mine, Rookhope, County Durham, England
Fluorite Crystal – Boltsburn Mine, Weardale, England
Fluorite Crystal – West Boltsburn Level, Weardale, England
Fluorite Crystals – Boltsburn Mine, Rookhope, County Durham, England
