re: Rocks
I have been asking for examples of rocks with a blue coloration to get an idea of mineralogical explanations of the blue rocks on Mars:
From: Robert Clark (rgregoryclark@yahoo.com)
Subject: Re: THEMIS visible color images.
Newsgroups: sci.astro, alt.sci.planetary, sci.bio.misc, sci.geo.geology, rec.arts.sf.science
Date: 2003-03-30 17:53:07 PST
http://groups.google.com/groups?threadm=832ea96d.0303301753.678c63ec@posting.google.com
Could you give the mineralogy of your rock or post a scanned image?
Bob Clark
