- Blue Alkali Beryl
- Thumbnail, 2.4 x 2.1 x 1.5 cm
- Deo Darrah, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
Much richer in color than most of the previous specimens, this tabular, lustrous and translucent, deep sky blue beryl measures 1.3 cm across. Intense color, and a nice representative example of this rare varietal! Contacted on the sides, but still a displayable specimen from the front. These were originally thought to be Rosterite or Vorobyevite, but further analysis by Dr. Federico Pezzotta confirmed they are alkali-rich beryls.