RARE ALKALI BERYL - AFGHANISTAN
Deo Darrah, Khash & Kuran Wa Munjan districten, Badakhshan, Afghanistan
A rare gray-blue varietal of beryl: tabular solid alkali-rich, doubly terminated and translucent beryl crystals with a coated layer of albite and small tourmaline needles!
These were originally thought to be Rosterite or Vorobyevite, but further analysis confirmed they are alkali-rich beryls.
Deo Darrah (a Persian word meaning "Valley of Jin") is an old tourmaline mine.