Today has been presented a study about sulphates found by Mars Exploration Rovers. Well, it’s a mineral that can exist only in special conditions of temperature and % of water. Few days ago, the International Commission for Minerals and Mineral Nomenclature called it officially: Meridianite!
I’ll try to post more infos later 
But there is a mistery: why this name,”Meridianite”, if all the pictures I’ve seen in the presentation are about Spirit located in Gusev crater?
19 July 2007 at 5:21
If nobody has told you yet, Sinus Meridianii and Merdianii Planum are regions on Mars.
Check the minerakl spelling … i think it is Meridianiite.
15 April 2009 at 13:24
Hey, cool tips. I’ll buy a glass of beer to the person from that forum who told me to visit your blog