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Post by tims on Sept 25, 2016 18:32:58 GMT -5
This is a yard find. The surface feels like sandstone but it's got good heft and a couple small wear spots that show a dark, smoother material inside. Not magnetic. The surface looks like it might be studded with tiny garnet, but I've been playing with garnet for a week so maybe I have garnet on the brain.
It's so round and cool looking I kind of hate to cut into it ... thanks for looking.
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Post by tims on Sept 28, 2016 3:05:22 GMT -5
Wanted to add that this rock has a faint odor ... it reminds me of the smell of a handful of pennies from an old change jar, kind of musty and metallic.
Maybe a moqui ball / iron concretion? If so wouldn't it attract to a strong magnet?
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Sabre52
Cave Dweller
Me and my gal, Rosie
Member since August 2005
Posts: 20,471
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Post by Sabre52 on Sept 28, 2016 7:59:36 GMT -5
Andradite garnets ( a calcium-iron garnet) are often associated with iron ore bodies. Looks like that might be what you have. Very cool looking as a specimen. I'd not cut it if it were me..Mel
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Post by tims on Sept 28, 2016 21:46:51 GMT -5
Thanks Mel. I'll take your advice and keep it as-is.
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