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The spectacular display of colors these specimens display can be formed by two different geological processes: the oxidation of pyrite causing ultra-thin layers of iron oxide to form on the surface
or the formation of equally thin layers of secondary minerals due to hydrothermal or other alteration
One of the most widely recognized and unmistakable minerals
red and many other colors corresponding to their physical makeup and conditions when the mineral was formed
Found in a variety of shapes and colors
Quartz w/ Pyrite Amber The spectacular display of colors
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