Can potash feldspars be black in color?. How this be possible?. Are there examples?. Please, anyone of scholars, researchers, and professors has information.
Thank you
I want to know more about Uranium ore deposits in world.
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I want to know more about diamond ore deposits in world.
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How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?
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Sulfuric acid has changed color to yellow.
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