Specimen from the original collection of one of the discoverers of this ultra rare mineral species. Orange crystalline masses richly coating black quartz/hematite ore NaMn2+5[Si5As5+O17(OH)](OH) Type and only locality, (IMA 2013-093). Size:1x0,7 cm.
Perfect group of prismatic elongated crystals of emerald on a matrix with pyrite, uncommon as association and with a very nice sethetic association.
dimensions : 4,5 x 2,5 x 2,5 cm
crystal dimensions : 1,7 cm