Blue Fluorite Cleavage Octahedron, Cave-In-Rock, Illinois (Ex. Wolfgang Vogt)

A relic from the golden age of American mining. This striking blue Fluorite octahedron is a testament to the skill of the 20th-century miners in Hardin County, Illinois. While fluorite naturally crystallizes in cubes, it possesses perfect octahedral cleavage; miners in the 1950s and 60s would expertly hand-cleave these geometric gems from high-grade rough as personal keepsakes. We curated this specific piece for its exceptional clarity, vibrant blue saturation, and its significant provenance from the Wolfgang Vogt collection (circa 1980s). As the Illinois fluorite mines have long since closed, these hand-cleaved octahedrons have become highly sought-after 'Old Stock' treasures, representing both a unique geological property and a piece of lost mining history.

SPECIMEN DETAILS
Mineralogy: Fluorite
Dimensions: 2.8 x 2.1 cm (1.1 x 0.82 inches)
Weight: 12g
Provenance: Ex. Wolfgang Vogt Collection (acquired circa 1980s)
Characteristics: Masterfully hand-cleaved; transparent blue saturation; historic Illinois 'miner's gift' tradition.
Locality: Cave-in-Rock District, Hardin County, Illinois, USA

All specimens come with a labeled mineral name, origin, and provenance information, if applicable.

All Gatsby Gems specimens are carefully selected for quality, authenticity, and display appeal. Each piece is professionally packaged to ensure safe delivery to your collection.