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Rare, historically significant piece of underground history: a 61.24-gram high-grade lode ore matrix specimen. This piece was professionally extracted directly from inside a historic, 1800s-era underground gold mine located in the mineral-rich Mojave Desert region of Nevada.Geological & Historical Highlights:
• Rich Mineralization: The face of the specimen features distinct, heavy metallic patches of brassy Chalcopyrite (copper-iron sulfide) and shimmering Pyrite interwoven with quartz.
• The \"Gossan\" Cap Indicator: The reverse and top edges display intense rust-colored weathering, showing a classic oxidized iron/limonite cap. In historic Great Basin mining, this exact mineral combination was the prime indicator used by 19th-century miners to track high-value precious metal veins.
• Authentic Mine-Run: Unlike weathered rocks collected off the desert surface, this specimen features the raw, jagged fractures typical of genuine underground vein extraction.Specifications:
• Weight: 61.24 grams (Verified on digital scale)
• Locality: Historic 1800s Mining District, Mojave Desert, Nevada, USA
• Condition: 100% natural, uncleaned, raw underground mine-run condition.An exceptional piece for mining history enthusiasts, ore collectors, or anyone who appreciates authentic, raw Nevada mining heritage. You will receive the exact specimen shown.
ID# 33-713-1
