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 Post subject: Mystery rock
PostPosted: Sat May 19, 2018 11:05 am 
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Location: San Francisco
A fellow emailed this pic to me and asked for ID.


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 Post subject: Re: Mystery rock
PostPosted: Sat May 19, 2018 4:40 pm 
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Looks like Quartz to me, with some iron staining, such as would be picked up on a beach. But without any real distinctive features, and some test results, it is hard to be positive.


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 Post subject: Re: Mystery rock
PostPosted: Sat May 19, 2018 10:05 pm 
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Yeah. It could certainly be something less common like hessonite, but it'd take more than a photo to be sure. A quick raman scan would do it of course.

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 Post subject: Re: Mystery rock
PostPosted: Mon May 21, 2018 1:18 pm 
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exwifeite....im sure of it


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 Post subject: Re: Mystery rock
PostPosted: Mon May 21, 2018 1:22 pm 
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The gentleman who sent the picture found the rock in the garden.
I'm guessing quartz as well.


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