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This one looks like quartz or quartzsite , the red is iron staining and the green looks like it could possibly be epidote, or, if the rock is really porous, it could be algae.I have also found in my back yard rocks with the greenish mixture.
Looks even more like quartz now! If the green was an inclusion it would be on the inside of the rock as well, so I am thinking even more now that it is probably aglae.Just cracked it open, no green on the inside lol.