• Millerite
  • Millerite
  • Millerite
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Millerite

$400.00   €373  £310.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC21247
A rare example of thickly-crystallised Millerite from Friedrich mine in the municipality of Mittelhof, Rhineland-Palatinate, Germany and ex. the Josef Clemente Collection of southern Germany.  Millerite, a nickel sulphide, typically forms delicate, hair-like acicular crystals but sometimes, like in this specimen, the crystals are broad and substantial, quite different to what we commonly see.  The Millerite forms crystals of about 1 mm broad (very wide for millerite!) and up to 2.5 cm long of a dull brass colour with a dull metallic lustre.  The acicular crystals lie flat against a core of reddish Feldspathic matrix, and richly cover all sides.  Please note this specimen does show micro-cracks through and across some surfaces, but these have remained unaltered in the specimen for a long time and from all we can ascertain it remains completely stable.  This specimen is ex. the Josef Clemente Collection (1899-1987) of southern Germany.

Details

Dimensions
4.0 × 3.1 × 1.8 cm
Categories
Sulphides, Sulphosalts and Arsenides
Locality
Friedrich Mine, Wissen, Siegerland, Rhineland-Palatinate, Germany, Europe

Minerals on Specimen

Minerals on specimen
Millerite

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