Natrolite (?) / Mesolite (?), Heulandite-Ca - Hvalfjörður, Iceland - 29x48x26mm

Mineral: Natrolite (?) / Mesolite (?), Heulandite-Ca
Locality: Hvalfjörður, Capital Region, Iceland
Dimensions: 29x48x26mm

Description: Sprays of Natrolite/Mesolite (18mm wide 14mm long) and very minor Heulandite druzy