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Showing results for tags 'mineral id'.
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Id please of this unique mineral found in gray mud layer under Cretaceous limestone outcrop in Texas. does not oxidize and shiny extremely hard and does no streak on ceramic Nothing like hematite or magnetite minerals I have found before. fyi I’ve posted this before
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A while ago I bought this Gerastos trilobite from Morocco. It has strange minerals in the matrix. It has pockets of a green mineral that sort of glimmers in the light. It also has lines of a white mineral, which fluoresce under black light. If anyone has any idea what these are I'd be interested to hear.
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