large iridescent Goethite stalactite

Tharsis, Huelva, Andalusia, Spain
Large Cabinet, 18.8 x 3.6 x 3.2 cm
Start Time: 11/22/2012 6:30:00 pm (CST)
End Time: 11/29/2012 6:30:00 pm (CST)
Auction Closed

Item Description

This is the largest stalactite we have offered at auction from this incredible recent find. They look like something out of science fiction! This crazily iridescent and colorful goethite has botryoidal form on the surface which reflects its pink, red, gold, orange and other colors in every direction. Goethite is usually such a boring mineral, but now and then, as here, it can be incredibly flashy. Even the gray to black goethite botryoids are silvery bright! The three terminations are contacted, which is typical for these specimens. Otherwise, it is essentially pristine, with just a bit of side wear. In the past, we had some specimens from China sort of like these, though different in form, and they were hugely popular. An uncommonly large, colorful and beautiful form of a common mineral.

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