Heulandite - Rat's Nest Claim, USA - 7.0 x 9.0 cm
Mineral: Heulandite
Locality: Rat's Nest Claim, Challis, Bay Horse District, Custer County, Idaho, USA
Dimensions: 7.0 x 9.0 cm

Description: Groups of fan-shaped, peach to salmon-colored, crystals lying on a bed of white mordenite on altered andesite. Collected by Lanny Ream and John Cornish in summer 2002.