Ilvaite crystal, 11.9 cm, from the Laxey drift, South Mountain mine, South Mountain Mining District, Owyhee County, Idaho. Ex Robert Ray collection, ex David Shannon Minerals, ex Jordi Fabre Minerals. László Kupi photo.
Laxey Mine, USA — a key South Mountain locality yielding sharp ilvaite on quartz with historic skarn; prized by collectors for large, lustrous crystals.
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