Bournonite and Quartz (rare locale) - image 1

Bournonite and Quartz (rare locale) - image 2

Bournonite and Quartz (rare locale) - image 3

Bournonite and Quartz (rare locale) - image 4

Bournonite and Quartz (rare locale)

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Bournonite is a highly sought-after sulfosalt originally found in Cornwall. These splendent, silvery Bournonite crystals have an excellent metallic luster and reach up to 2.3 cm across. The crystals are tabular to blocky, and the surface texture is highly variable, depending on which face it is. Interesting. The cluster is nestled among Quartz crystals on a plate of solid, crystalline Quartz, with a few sulfide scattered in and about. Art Soregaroli edited the magnum opus book on Peru mineral specimens, and this is from his prized collection of miniatures and small cabinet sized Peru pieces, most of which he obtained himself down there in the 1980s and 1990s. For Peru, this is much better than it would be from other locales, compared to others of its origin. The quartz in this case really offsets the bournonite nicely and takes this up a level. At first glance it LOOKS ENGLISH! But the quartz is too good. And, if old and English, it would be more like $7500-10,000 valuation.