$238Median
58Sold (12 mo)
$1,500Last sale
Updated 1d ago
Analcime
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Colorless crystals of analcime averaging 0.3 cm size on matrix. Good locality example for the species. Massive calcite is present. Collected in 1996.The Clark Mine, located in Keweenaw County, Michigan, was incorporated on December 19, 1853, and operated intermittently under various owners, including French proprietors and the Estivant Brothers, before finally closing in 1901. Geologically, the mine is situated on the northern side of the Greenstone bluff within the Keweenaw Peninsula's Precambrian flood basalt flows and interbedded sedimentary rocks. Its workings targeted fissure veins and amygdaloidal zones containing native copper, mass copper, and associated minerals.
Product details
SpeciesAnalcime
SizeMiniature
Dimensions5.0 x 4.5 x 1.5 cm
Listed on09/17/2026
LocalityUSA, Michigan, Keweenaw County
SKU2062379
Current owner
WM
Weinrich MineralsFeatured
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Mineral guide
Learn about Analcime
trapezohedral crystals in basalt cavities and alkaline rocks; colorless to white, sometimes pink, prized for crisp geometry and broad localities.Regional guide
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