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 - image 3

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

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While we don't have a complete history, this piece likely dates back to the late 1980s or early 1990s. This specimen is from the personal collection of Jack Halpern, who was often praised for his selection in colorful fine mineral specimens throughout his lifetime involved in the mineral collecting hobby. This specimen is a perfect example of what caught "Gentleman Jack's" eye--robust color, natural geometry and refined form.

Product details

SpeciesFluorite
SizeSmall Cabinet
Dimensions2.6 x 5.5 x 5.5 cm
Weight148 grams
Added on12/28/2024
LocalityUSA, Illinois, Minerva No. 1 Mine

Current owner

Unknown Owner
Acquired
May 2025
Price paid
$25,000.00

Previous owners

DateCollectorAcquisition price
—One-Off MineralsNot disclosed

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, Rosiclare Level, Ozark-Mahoning Co., Cave-in-Rock, Southern Illinois
Minerva No. 1 Mine fluorite — renowned locality for vibrant, color-zoned crystals, classic habit, and a storied collecting history with notable museum finds.
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.