Stibnite
Unknown Owner
Classic Japanese specimen consisting of a large thick lustrous terminated crystal of stibnite. Slight micro-damage present not atypical of these, this one is in much better condition than most. The specimen comes with a previous data card as shown at the end of the video. Originally obtained in 1963 by the previous collector.The Ichinokawa Mine, located in Saijo City on the island of Shikoku, Japan, is world-renowned for producing the finest and largest stibnite crystals ever recorded. Geologically, the deposit is a hydrothermal vein system hosted within the Sambagawa metamorphic belt, specifically occurring in graphite-sericite schists. The stibnite formed during the Miocene epoch as antimony-rich fluids precipitated into large open fissures, creating magnificent, sword-like metallic prisms that can exceed 60 centimeters in length. These crystals are famous for their high luster, deep lead-gray color, and complex striations along their longitudinal faces. Historically, the mine has an ancient legacy, with some records suggesting activity as early as the 7th century, though significant development began in the 17th century. Its peak period of operation occurred during the Meiji era (late 1800s), particularly following the discovery of massive high-grade pockets in 1882 which supplied the global market with museum-quality specimens. Commercial mining declined in the early 20th century, and the mine finally closed in 1954. Today, Ichinokawa stibnite remains the gold standard for the species, with historic specimens residing in the most prestigious mineralogical collections worldwide.
Product details
Species
SizeCabinet
Dimensions15.0 x 3.0 x 1.5 cm
Added on04/19/2026
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 05/2026 | Unknown Owner | $3,500.00 |
| — | Weinrich Minerals | Not disclosed |
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Mineral guide
Learn about Stibnite
dramatic sword-like crystals with steel luster; prized for striking metallic forms, historic Ichinokawa specimens, and diverse global localities.
Regional guide
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