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Specimen Highlights
This is a classic, sharp Colemanite crystal cluster from the world-renowned Boron, California locality. Unlike many mass-market pieces, this is \"old stock\" with a verified pedigree. It features clear, glass-like crystals with sharp, undamaged terminations and a beautiful natural luster.
Historical Provenance
This piece is from the respected private collection of Dr. Bruce Stinchcomb, a noted geologist and author.
Included: This specimen comes with its original vintage collection box and the original handwritten label.
Provenance of this kind is highly valued by serious mineral collectors and ensures the specimen\'s historical authenticity.
Luminescence Note
While many Boron Colemanites are highly reactive, this specific piece exhibits only subtle, faint fluorescence under UV light. It is being sold primarily for its superior crystal form and historical significance rather than its glow.
Physical Details
Locality: U.S. Borax Mine, Boron, Kern Co., California, USA.
Dimensions: 36 x 23 x 24 mm
Weight: 21.0 grams.
