This impressive XL mineral specimen from Goboboseb, Namibia, combines three fascinating minerals on a gray matrix: light green, conchoidal-spherical prehnite crystals, white-transparent calcite cubes, and transparent quartz crystals. The combination of different crystal forms and colors makes this piece a true highlight.
Measuring 100 × 83 × 59 mm and weighing 489 g, this specimen from an old find is an impressive collector's item. The partly transparent prehnite crystals and the clear calcite cubes show excellent quality.
