$88Median
16Sold (12 mo)
$75Last sale
Aurichalcite from 79 Mine, Arizona, USA
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Green botryoidal crystallized smithsonite on matrix. In good condition. Sky-blue acicular aurichalcite is present as well. The specimen comes with a previous label from the collection of Ray DeMark. He collected the piece on February 8, 1995.Located in the Chilito area of Gila County, Arizona, the 79 Mine is a famed complex lead-zinc-copper ore deposit hosted within Paleozoic limestone beds that were heavily faulted and intruded by igneous dikes. Discovered in 1879, the site was initially worked as a lead, zinc, and silver producer, but it later gained widespread renown among specimen collectors for its extraordinary secondary oxidation minerals. The mine is particularly famous for producing spectacular, bright apple-green smithsonite specimens, which typically form as gleaming botryoidal crusts and translucent, sparkling crusts in oxidized caverns and fractures throughout the underground workings.
Product details
Current owner
Unknown Owner
- Acquired
- Oct 2026
- Price paid
- $65.00
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Weinrich Minerals | Not disclosed |
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Mineral guide
Learn about Aurichalcite
blue to blue-green acicular sprays with silky luster; fragile, prized by collectors; notable localities include Ojuela, Kelly, Tsumeb.Regional guide
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