'Heulandite' - Dorena Dam, USA - 5.2 x 4.4 x 3.0 cm
Mineral: 'Heulandite'
Locality: Dorena Dam, Cottage Grove, Lane County, Oregon, USA
Dimensions: 5.2 x 4.4 x 3.0 cm

Description: Lustrous white heulandite crystals on a small amount of brown matrix.