Space/Science — HabitableZone

Space/Science » in reply to Blue rocks in Nature?

re: Blue rocks in Nature?
Tom Brosz — (archived)

Sounds like you need a trip to a local museum with mineralogical exhibits. Science stores often have a wide variety of specimens too, and there are many books.

I know there are copper ores that are definitely blue, but that's the limit of my knowledge.

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