Colemanite twin (RARE - fluorescent)

Item Description

A VERY RARE, sharp, 5.0 cm, TWINNED, pseudo-rhombohedral colemanite crystal is dramatically perched atop colemanite matrix on this exceptionally uncommon and fine example from Boron. Most specimens from here have short to long prismatic crystals. Complete all-around and pristine, this is an outstanding and RARE twinned crystal of this style and famous locale. The lustrous and translucent crystals have ghostly white fluorescence. Valued by the former dealer at $350. A MUST for the species or locality collector.