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Acanthite paramorphous after Argentite on Calcite from Kongsberg, Buskerud, Norway. |
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Arsenic from Christian d. 6te's Gruve, Kongsberg, Buskerud, Norway. This is an antique specimen (probably from around 1800) and though inconspicuous absolutely unique. The literature suggests Arsenic is only known from ore microscopy in Kongsberg. |
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Massive Arsenopyrite from Jonsknut Skjerpene, Kongsberg, Buskerud, Norway. Note, this is not part of the silver mines. |
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'Electrum' - alloy of Gold and Silver - in Calcite from Kongsberg, Buskerud, Norway. This specimen was assayed and supposedly contains 2/3 gold and 1/3 silver. |
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'Electrum' - alloy of Gold and Silver - in Calcite from Kongsberg, Buskerud, Norway. |
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I like black rocks! This is Graphite/Anthracite with minor Silver, Acanthite and Calcite from Kongsberg, Buskerud, Norway. |
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This is a chunk of Pyrite picked up in Kongsberg, Buskerud, Norway, but it is unlikely to be from the silver mines. It is likely a chunk of Pyrite transported from somewhere else. |
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Silver wire growing from the face of a Pyrargyrite crystal from Kongsberg. This was described by Vogt, 1899, in Zeitschrift fŸr praktische Geologie, 7, 113-123, but supposedly all specimens have since been lost. Well, one survived. |
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These Silver crystals from Kongsberg (Buskerud, Norway) are weird - it is a curved aggregate (no, I didn't 'adjust' it!) of herring-bone Silver. I am sure this has been etched, but check the next one too. |
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This is Silver, similar to specimen above, from Kongsberg, Buskerud, Norway. This is guaranteed not etched - yes my vat is itching to get hold of this baby, but no, I will not do it! |
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This specimen was given by the Christian VII (1749-1808), King of Denmark and Norway, to Louis XV of France in 1770. Christian VII was later found to be mad - I'd think so! Fortunately the specimen now is in Musée Nationale d'Histoire Naturelle (Paris), who brought it to the TGMS show in 1994. |
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