$800Median
8Sold (12 mo)
$55Last sale
Ilmenite with Muscovite
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Lustrous black platy crystallized ilmenite embedded within a muscovite crystal matrix. Neat locality example for the species. This was collected in 1958.The Champion Mine in Marquette County, Michigan, was a prominent underground iron ore mine that began operations around 1867 and continued intermittently before closing permanently in 1966. Geologically, the deposit is situated within the Marquette Iron Range, where high-grade specular hematite and magnetite ores were formed within Precambrian-aged metasedimentary rock formations, specifically the Negaunee Iron Formation, which underwent extensive folding and hydrothermal alteration to concentrate the rich iron deposits.
Product details
SizeSmall Cabinet
Dimensions8.5 x 5.0 x 2.0 cm
Added on09/17/2026
LocalityUSA, Michigan, Marquette County
Current owner
Unknown Owner
- Acquired
- Sep 2026
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Weinrich Minerals | Not disclosed |
Comments