Morrisonite.

This is the king of jasper's according to many people and I won't try to tell the story of this gem because I can't do it justice like the article I've just read. It is such good reading you must read it for yourself.  ( www.RareRocksAndGems.com  click on "My Articles and Books"  It's one "Class Act" for sure)     -WET pic.-(11.4 oz.) no fractures