I found a simple technique for getting better up close photos from an iPhone 6. I hold, with one hand, my 10x Hastings Triplex hand lens centered over the iPhone lens and the phone. See the difference (look at "ton" in Washington in these photos of a 1 $ US bill.    Now, maybe we can see the pebbly texture of eggs or the grain in petrified wood.   Photo without handlens:   
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