Scawtite 
 
From Zeilberg, Maroldsweisach, Germany
 
Colourless rectangular crystals of Scawtite with columnar white Thaumasite crystals and aggregates of white Tobermorite. Well shaped crystals of a rare mineral Scawtite in a typical paragenesis!
 
Dimensions 2 x 1.3 x 1.5 cm