Mineral: Hyalit (Glasopal) / Hyalite (glass opal)
Größe / Size: 50 x 42 x 32 mm
Reinheit / Clarity: transparent
Farbe / Color: farblos / colorless
Schliff / Cut: keiner, natürliche Stufe / none, natural specimen
Herkunft / Origin: Valec, Tschechien / Czech Republic
Aggregate of Hyalite on matrix. Collector`s specimen from Valec, Czech Republic.
