Polished Eudialyte + rarities slab (rare - Soregaroli Coll.)

Item Description

A rare, striking and large polished combination slab from this mineralogically unusual alkaline complex. Pretty magenta eudialyte crystals, brown mosandrite, brown agrellite (fluoresces pink), white gittinsite and rare black richterite crystals are noted on this extremely fine and rare large combination piece from this noted locale. Ex Art Soregaroli Collection. We have not seen such large plates out there, and Art had only this one. Valued?