DescriptionChalcanthite - streakcolor.JPG Deutsch: Strichfarbe von Chalkanthit: Weiß English: Streakcolor of Chalcanthite: White Date 8 April 2014 Source
Other versions Same crystal step 2005 Same crystal step 2007, dehydrated Same crystal step 2007, dehydrated, rotated streakcolor (white) of chalcanthite