This page should give a quick overview of the variety of habits in which
olivenite occurs at the
Grube Clara. Comments and further information are welcome.
1 - Simple, textbook olivenites
2 - similar to 1, slight striations, color zoning, varying between brown and dark green
3 - subparallel aggregate of crystals similar to 1
4 - more elongated crystals, striations more pronounced, but terminations still well defined
5 - similar to 4, but terminations are starting to multiply
6 - similar to 2, with fibrous terminations
7 - flat, lathe like crystals with stepped fibrous terminations
8 - opaque, simple crystal, with fibrous termination
9 - spray of flat, acicular crystals with fibrous tips
10 - sprays of acicular crystals
11 - elongated, crystals with variable section. How does this occur?
In order to leave comments to this article, you must be
registered
Eddy Vervloet
29th Oct 2007 8:53am