Metazeunerite: Grandview Mine, Horseshoe Mesa, Grandview Mining District, Coconino County, Arizona, USA 

Description

Species: Metazeunerite

Ex: Eric Quinter Collection #U/Th 0135

Locality: Grandview Mine, Horseshoe Mesa, Grandview Mining District, Coconino County, Arizona, USA

Dimensions: 6.6 x 5.2 x 3.4  cm, 94 grams

Very nice, well-crystallized specimen of green Metazeunerite on matrix from the classic mine now located inside the Grand Canyon National Park! Collected 75+ years ago when the mine was still operating. Measures ~15,000 CPM on my Ludlum Model 3 Counter with the 44-9 probe. Rare!