- Blue Alkali Beryl
- Miniature, 3.6 x 2.5 x 2.4 cm
- Deo Darrah, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan
This is a dramatic, intense blue cluster of parallel growth, tabular, lustrous crystals. They are sharp and translucent, rare alkali-rich beryl crystals, to 2.5 cm across. Very showy! These were originally thought to be Rosterite or Vorobyevite, but further analysis by Dr. Federico Pezzotta confirmed they are alkali-rich beryls.