Fluorite from Minerva No. 1 Mine, Hardin County, Illinois, USA - image 1
Fluorite from Minerva No. 1 Mine, Hardin County, Illinois, USA - image 2

Fluorite from Minerva No. 1 Mine, Hardin County, Illinois, USA

$3,000.00

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This yellow fluorite from Illinois has extremely lustrous faces and slight zoning, with glittering chalcopyrites included along the outer edges. The surrounding rounded sections of the specimen have been formed through baryte dissolution. The botryoidal baryte has dissolved away and left an isolated section of intact crystalline fluorite. This “mushroom” example is a recognizable classic from Hardin County. In fantastic condition, with an aesthetic presentation. There is bitumen included along the crystalline surface that creates a vibrant speckled fluorescence under UV light.

Product details

SpeciesFluorite
SizeSmall Cabinet
Dimensions7.5 x 7.0 x 6.0 cm
Listed on10/10/2026
LocalityUSA, Illinois, Minerva No. 1 Mine
SKU26815
Current owner
DanZ Rockshop
DanZ RockshopFeatured
Arvada, Colorado, USA
2,117 for sale·9 sold

Learn more

Fluorite
Mineral guide
Learn about Fluorite
calcium fluoride with a dazzling color range, cubic and octahedral crystals, and UV fluorescence; prized by collectors for Blue John banding.
Fluorite
Regional guide
Fluorite from Minerva No. 1 Mine
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Locality guide
Minerva No. 1 Mine
A collector's guide to Minerva No. 1 Mine, USA: its geology, mining history and notable minerals, illustrated with the 725 specimens documented from this locality on EarthWonders.