https://secretsofspace.com/victoria-crater-mars/ Exploring planets, stars, galaxies, astronomy, the universe and space secrets Mon, 07 Mar 2016 12:17:04 +0000 hourly 1 https://wordpress.org/?v=4.5.2 https://secretsofspace.com/victoria-crater-mars/#comment-142 Mon, 17 Mar 2014 14:37:24 +0000 http://secretsofspace.com/?p=210#comment-142 […] Hematite is a mineral form of iron oxide (Fe2O3) requiring large amounts of water or volcanic activity to develop and is often used in jewelry.  This picture taken by Mars Opportunity rover shows hematite spherules, also referred to as “blueberries”, on the red planet. These hematite spherules are all over the surface of Mars, north of the Victoria Crater. […]

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