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New rock found near riverbed. Needs identification.

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I found a nice piece of pink to yellow and white crystals on a cluster at a nearby river. I’m wondering what it might be. My first thought are quartz with hematite which makes it look pink. 

asked Jul 24, 2019 by Lemurian (950 points)

1 Answer

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Well, staining comes from trace minerals like iron which would give it a pinkish cast. The yellowish cast might come from limonite another iron derivative.
answered Aug 8, 2019 by Weasel (58,940 points)