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.
This is a beautiful specimen of sparkling, smoky-colored, gem quartz showing a dramatic Gwindel (twisted) growth, totally classic from these high French alps. Somehow, these just sparkle in a way that normal quartzes seldom do. , This is a good chance to get a dramatic presentation quality gwindel, for this rare form of quartz. size 6x7x2,5 cm