Dragon Minerals - January 28, 2026 Update

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28302: Hemimorphite, Gypsum and Willemite - $24
Hidden Treasure Mine, Jacob City, Ophir Mining District, Tooele County, Utah
Miniature - 5.7 x 4.6 x 3.5 cm
80 grams
Specimen status: Reserved
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Somewhat sparkly, gray microcrystalline hemimorphite covers the specimen's display face. A portion of the hemimorphite carpet is covered with a rug (? what covers a carpet?) of colorless gypsum. Interesting association for the locality. Some spots on the matrix just below the hemimorphite layer display a bright blue fluorescence under shortwave UV, suggesting the possible presence of willemite (but this species is not listed at Mindat for the locality). Self standing and in superb condition.




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