Colorado Goethite, Best in the USA! |
Colorado Goethite, Best in the USA! |
Sep 3 2007, 10:54 AM
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#1
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Master Mucker! Group: Admin Posts: 7,187 Joined: 7-October 03 From: Colorado Member No.: 4 |
Here are a few pictures of some amazing specimens of Goethite.
This first specimen is smaller than a dime. Enjoy!
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Jul 23 2015, 06:57 PM
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#2
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Moderator Group: Members Posts: 4,459 Joined: 25-August 09 From: way on up thar Member No.: 6,983 |
Oh, interesting! I thought you mentioned Crusty's piece wasn't magnetic and that's what threw me off track.
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Jul 23 2015, 07:43 PM
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#3
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Rock Bar! Group: Members Posts: 898 Joined: 9-January 14 From: Denver, CO Member No.: 116,265 |
Oh, interesting! I thought you mentioned Crusty's piece wasn't magnetic and that's what threw me off track. They don't seem to be magnetic either. I have strong rare earth magnets that have little or no effect on the goethite. -------------------- |
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Jul 24 2015, 11:17 AM
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#4
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Diggin' In! Group: Members Posts: 8 Joined: 17-July 15 From: Denver Member No.: 121,071 |
They don't seem to be magnetic either. I have strong rare earth magnets that have little or no effect on the goethite. Mike, goethite wont exhibit much natural magnetism (powdered samples may show a little), but heat them up to red hot (dont worry, your samples wont be damaged), and then try it. Youll be very surprised at the difference! -------------------- "Strip mining prevents forest fires..."
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