Lemmleinite

Lemmleinite-K from Koashva. It forms white crystals closely associated with pale brown Sazhikinaite-(Y). It also often
associated with small hexagonal crystals of Gmelinite-K.
[photo/collection: Maurice de Graaf]

       
Lemmleinite-Ba from the Zhelezhny quarry, Kovdor      
[Photo: mineralogist.ru]