GYPSUM - SOKOLOV, CZ (UV+PHOSPHORESCENT) 4.5 x 3.5 x 2.5 cm

GYPSUM - SOKOLOV, CZ (UV+PHOSPHORESCENT) 4.5 x 3.5 x 2.5 cm
€ 29,00

Sokolov, Czech Rep.

Aesthetic complex cluster of gypsum crystals. In addition to a bright green UV reaction, the specimen also glows a few seconds after the UV light has been switched off, the so-called phosphorescence phenomenon.