ASCHAMALMITE in Quartz

$500.00

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Tucson, Arizona, USA

7,543 for sale·132 sold

The rare lead bismuth sulphide Aschamalmite is named after where it was first discovered in 1983 - Ascham Alp at Neukirchen am Großvenediger, Zell am See District, Salzburg, Austria. This rich miniature specimen from the rare species collection of brothers Martin and Michael Günther (1951-2007 & 1956-2021) comes from an extension of the same style of mineralization in the neighbouring Habach Valley at Sedl, Nasenkopf - where the related species Friedrichite was discovered. Dominated by Quartz vein material, Aschamalmite is visible as bunches of acicular crystals reaching about 1 cm in length and metallic dark blue-grey when fresh, but some showing apparent alteration to an unidentified dull yellow-cream coating. A fine example of this unusual sulphosalt species.