Mineral: Boracite and Hilgardite
Locality: Boulby Mine, Loftus, Yorkshire, England / United Kingdom
Dimensions: FOV of 6.74mm. Crystal of 0.93mm

Description: 3x. Focus rail MacroRail. Canon EOS 600D. Ikea lights Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres

All pictures, text, design © Forum FMF 2006-2025