Space/Science — HabitableZone

Space/Science » in reply to "liquid water once drenched the surface" (Opportunity site). WOW! LIVENASATV news announcements on now folks.

About Jarosite

FYI: jarosite

Jarosite, KFe3(SO4)2(OH)6, is the Fe 3+ analogue of alunite, found as crusts and coatings on ferruginous ores. Often found in supergene enrichment ore zones. Needs sulfuric acid to form.

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