Goethite on quartz - Pike's Peak, Colorado, USA
A small and very aesthetic piece composed of goethite "spray"...
The siderite is crystallized around a vertical axis. A little goethite covers the siderite petals at the base of the piece. Not to be confused with Peyrebrune, some 30 km southwest of Peyreblanque.
6,5 x 5 x 5 cm.
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A small and very aesthetic piece composed of goethite "spray"...
Interesting specimen of goethite. In the foreground, we can...
A dichotomy between grey calcite (some with white edging) on...
The surface of the piece is composed of brilliant quartz and...
Goethite, very finely crystallized on the surface, with...
Elongated, prismatic calcite crystals (the largest measuring...