Augite
Firmerich, Daun, Daun, Vulkaneifel, Rhineland-Palatinate, Germany
3.5 x 2.3 x 1.6 cm. A classic example of the augites from the locality at Firmerich, Germany. This well known pyroxene is not often seen in single crystals, and this piece is essentially a "floater", and I can't find any real point of attachment. It shows sharp and smooth faces with a dark greenish-black color. It's in great shape all the way ...
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