Axel Emmermann MKANov 5, 2016Fluorite and calcite, DurhamFrom Weardale, Durham, UK, comes this lovely combo. Under midwave UV you get the fluorescence of both the fluorite and the calcite. Source: Fluorescent Minerals Workgroup MKA
From Weardale, Durham, UK, comes this lovely combo. Under midwave UV you get the fluorescence of both the fluorite and the calcite. Source: Fluorescent Minerals Workgroup MKA