jodi
off to a rocking start
Member since January 2013
Posts: 2
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Post by jodi on Jan 16, 2013 22:15:46 GMT -5
:nono: Need help identifying this blue and red sparkly rock. Got while in south dakota Attachments:
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Geoff
spending too much on rocks
Please add 1074 to my post number.
Member since December 2012
Posts: 446
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Post by Geoff on Jan 16, 2013 22:19:54 GMT -5
A sulfide. Chalcopyrite most likely.
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jodi
off to a rocking start
Member since January 2013
Posts: 2
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Post by jodi on Jan 16, 2013 22:30:16 GMT -5
Thanks so very much.
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Minnesota Daniel
freely admits to licking rocks
A COUPLE LAKERS
Member since August 2011
Posts: 891
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Post by Minnesota Daniel on Jan 19, 2013 13:31:08 GMT -5
Rainbow hematite looks sort of like that too. It would be a heavy rock that would streak red on the back of a ceramic tile.
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Post by helens on Jan 20, 2013 3:53:32 GMT -5
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Geoff
spending too much on rocks
Please add 1074 to my post number.
Member since December 2012
Posts: 446
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Post by Geoff on Jan 20, 2013 4:03:57 GMT -5
Turgite doesn't occur in South Dakota.
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Post by Hard Rock Cafe on Jan 28, 2013 17:19:17 GMT -5
Agree it looks like chalcopyrite, but also looks like some lepidolite I picked up in the Black Hills.
Chuck
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