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Mystery Mineral by shadowfire-x Mystery Mineral by shadowfire-x
I have no idea what this is. My grandfather found it in some mine tailings near Phoenix, AZ.
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:iconundistilled:
Undistilled Featured By Owner May 24, 2012
I'd agree that it's chalcedony.
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:iconshirimasen:
Shirimasen Featured By Owner Feb 4, 2012  Hobbyist Photographer
I am inclined to agree with Pyrah. It looks like cryptocrystalline quartz (chalcedony, perhaps?)
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:iconshadowfire-x:
shadowfire-x Featured By Owner Feb 4, 2012  Hobbyist General Artist
It does look a lot like chalcedony. I wish I had brought my mineral ID book with me to this apartment. Oh well, c'est la vie.
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:iconpyrah:
Pyrah Featured By Owner Feb 3, 2012
It kinda looks like quartz to me, but I don't remember forming with swirls like that in it.
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:iconshadowfire-x:
shadowfire-x Featured By Owner Feb 3, 2012  Hobbyist General Artist
It does look kind of quartzy, but it doesn't have any of its other properties. I wish I had a mineral ID kit here. I'd look through an image index, but, well.... [link]
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Details

Submitted on
February 3, 2012
Image Size
9.3 MB
Resolution
5184×3456
Link
Thumb

Stats

Views
190
Favourites
8 (who?)
Comments
5
Downloads
15

Camera Data

Make
Canon
Model
Canon EOS REBEL T3i
Shutter Speed
1/49 second
Aperture
F/4.5
Focal Length
50 mm
ISO Speed
100
Date Taken
Feb 3, 2012, 2:41:40 PM
Lens
EF50mm f/1.8 II
Software
Digital Photo Professional
Sensor Size
22mm
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