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Acanthite with Nickeline
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Excellent complex crystals of characteristic metallic grey Acanthite measuring to nearly 1cm are richly formed on a botryoidal matrix of Nickeline. The external surface of the Nickeline is coated in Acanthite with minor wires of Native Silver and a rare crystal area of Polybasite measuring to 4mm. Exposed areas of the Nickeline displays a metallic pink colour and radial structure. A very fine Acanthite-Nickeline specimen from Medenec, Czech Republic.
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| Date | Collector | Acquisition price |
|---|---|---|
| — | Crystal Classics | Not disclosed |
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Mineral guide
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, stable low-temperature Ag2S; black masses with cubic crystals argentite pseudomorphs on calcite; prized for form and notable localities.Regional guide
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