Quartz-casts with Chalcopyrite
specimen number:
1113403
location:
Casteel No. 35 Mine, Iron Co., Missouri, USA
description:
The top side of this 13.0 x 11.0 x 4.0 cm matrix is covered with sparkling colorless transparent micro quartz crystals. Some of these are forming casts to 2.0 cm across after a previous sulfide mineral, likely pyrite or chalcopyrite. Galena is a possibility as well. Several iridescent blue chalcopyrite crystals to 0.5 cm present as well. One edge of the matrix lightly shaped with a trim saw, this is in great condition. Shipping weight: 0.98 pounds.
Size: 13.0 x 11.0 x 4.0 cm (cabinet)
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