Liamatpm
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Registered: 7-12-2016
Location: Maine
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Unknown mineral
I have found a rock a unknown mineral. I can not identify it. It was from this quarry in Maine: http://www.mindat.org/loc-6648.html. I will post more pictures.
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Liamatpm
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Location: Maine
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Another picture
Another picture
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Liamatpm
Harmless
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Location: Maine
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Last picture
Last picture
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Chlorine
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I'm not entirely sure but It looks like red tourmaline.
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Morgan
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Looks kind of like this.
Afghanistan
https://commons.wikimedia.org/wiki/File:Garnet-Group-Quartz-...
Maine
http://www.imgrum.net/media/1266818789329529537_2293719537
http://scontent.cdninstagram.com/t51.2885-15/s480x480/e35/13...
http://www.imgrum.net/media/1266820108538800873_2293719537
garnet = a group of minerals; see almandine, andradite, grossular, spessartine, uvarovite
http://www.maine.gov/dacf/mgs/explore/minerals/guide/chapter...
"For gem identification purposes, a pick-up response to a strong neodymium magnet separates garnet from all other natural transparent gemstones
commonly used in the jewelry trade."
https://en.wikipedia.org/wiki/Garnet
[Edited on 19-12-2016 by Morgan]
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crystal grower
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I agree with Morgan, it's most likely a garnet (pyrop or almandine I think..).
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Liamatpm
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Registered: 7-12-2016
Location: Maine
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I thought it was almandine, but I didn't know if it could be as light as my rock, thanks for the help everyone!
-Liam
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Morgan
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Tidbits
https://www.youtube.com/watch?v=U2RZ1NLwcOQ#t=57
https://www.youtube.com/watch?v=3Ncjq0Wb2ZU
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diddi
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It does have the right structure for garnet and is probably almandine rather than pyrope (which tends to have a more claret colour red) the reason
your rock is not as heavy as you expect for garnet is that it is actually granitic material with little garnets that hardly contribute to the density
of the whole specimen.
[Edited on 19-12-2016 by diddi]
Beginning construction of periodic table display
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