"It is a glass-like black material, dark brown or pale-brown in color" - so what colour is it, actually? 86.131.91.163 (talk) 16:01, 28 November 2008 (UTC)Reply

Black - clarified article a bit. Vsmith (talk) 16:21, 28 November 2008 (UTC)Reply
Minerals have a range of colours and a composition range. --Chris.urs-o (talk) 05:44, 21 May 2011 (UTC)Reply

Updated by Ladislado Moreno for the course GEOL 3370, Dr. Jonathan E. Snow edit

Updated by Ladislado Moreno for the course GEOL 3370, Dr. Jonathan E. Snow Laloemoreno (talk) 02:44, 29 November 2011 (UTC) — Preceding unsigned comment added by Laloemoreno (talkcontribs) 04:05, 27 November 2011 (UTC)Reply