Autunite: Sabugal, Guarda, Portugal

Description

Species: Autunite
Locality: Sabugal, Guarda, Portugal
Dimensions: 18 cm x 10 cm x 4 cm

Excellent very large specimen of well-crystallized yellow, tabular meta-autunite crystals lining a fracture in granite from an unusual and classic Portuguese locality for the species! Eric Quinter specimen U/Th 0155, pictured on Mindat.org. Rare!