Fluorite from Minerva No. 1 Mine, Hardin County, Illinois, USA - image 1
Photo by Frank A. Imbriacco III

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

Micro chalcopyrite crystals on a zoned, cubic fluorite grouping.

Product details

SpeciesFluorite
SizeSmall Cabinet
Dimensions8.3 x 7.4 cm
Added on05/12/2025
LocalityUSA, Illinois, Minerva No. 1 Mine
RepairsNone

Current owner

Frank A. Imbriacco III
Frank A. Imbriacco III
New Jersey

Owner’s note

Acquired from Robert Rybnicky.

Member since 2025

Previous owners

DateCollectorAcquisition price
—Robert RybnickyNot disclosed
Acquired from Frank Imbriacco III.
—Frank A. Imbriacco IIINot disclosed
Acquired from Weinrich Minerals.

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.