Perfect, gem emerald fluorite. pictures in daylight, the purple color is due to the intense fluorescence ogf the crystals. Uv Pictures with LW . The main crystals in a natural vug completely covered by fluorite crystals. In the center two twinned crystals. Back of the specimen has been cut to reduce the matrix thickness and improve the aesthetics....
Un pezzo di grande interesse dalla collezione Lattuada con cartellino originale della Bottega delle pietre, Milano. Cristallo con la classica lucentezza e fortemente fluorescente, 2 cm . Di difficile reperimento nel mercato attuale. il cristallo è completo nella parte frontale, ma la parte posteriore è incompleta per la chiusura della geode di galena,...
A perfect pink translucent lustrous octahedral spinel crystal measuring 1.4 cm in size is set nicely upon a 8 x 6x 3 cm white massive marble matrix with anthe crystal included
Rare Fluorescent Phosphorescent Willemite . Large and Rare fluorescent and phosphorescent specimen Interesting 1st and 2nd generation growth of Willemite Pictures in SW. After switching off UV lamp the specimen shows phosphorescence . From a Geologist collection who worked at that mine in 1975- 1980. Size 4x3x3 cm
Rare Fluorescent Phosphorescent Willemite . Large and Rare fluorescent and phosphorescent specimen Interesting 1st and 2nd generation growth of Willemite Pictures in SW. After switching off UV lamp the specimen shows phosphorescence . From a Geologist collection who worked at that mine in 1975- 1980. Size 7 x 4 x 2 cm