IMCN5 Ilvaite with Arsenopyrite, Hedenbergite
Huanggang Mine, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China 16.6x 12.0x 10.5 cm
16.6x 12.0x 10.5 cm
$900

This specimen consists of (at least) two large spherical clusters of ilvaite that have grown on a spray of hedenbergite, that have then been coated by a second generation of hedenbergite, along with a number of isolated arsenopyrite crystals. I have seen a number of these, but for the size it is remarkably free of damage and unusually aesthetic. These have tended to be one of the more unappealing things to come from the mine so far-- but I have to say, this one is kind of pretty. It is also exceptionally large. The white powdery looking thing on the end of some of the ilvaites is not damage, it is actually something else crystalizing over the hedenbergite coating. In any case, it highlights some of the terminations and improves the appearance.









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