“Crystals of thulite from the new tunnel. Collected January 2019 . The thulite was etched out from a calcite vein.
Photo & Collection Øivind Thoresen.”
“Crystals of thulite from the new tunnel. Collected January 2019 . It was etched out from a calcite vain.
This is reverse side of the specimen
Photo & Collection Øivind Thoresen”