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Post by cina on Jun 10, 2007 22:27:05 GMT -5
We went out looking for rocks and found Belemnites, from the Upper Jurassic period, about 160 million years old... It was a good day Thanks for looking. Steph Anyone know if you can tumble these?
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adrian65
Cave Dweller
Arch to golden memories and to great friends.
Member since February 2007
Posts: 10,778
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Post by adrian65 on Jun 10, 2007 22:35:02 GMT -5
Wow, what a richness of belemnites!
I don't know about tumbling, but you could try one or two.
Adrian
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Post by cina on Jun 10, 2007 23:12:40 GMT -5
I sure hope they shine up nice I think they and by far the best thing I have ever found I just love long dead critters Steph
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rockinmom
spending too much on rocks
Member since January 2007
Posts: 481
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Post by rockinmom on Jun 10, 2007 23:34:52 GMT -5
I'm sorry.. what are those? T.
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Post by cina on Jun 10, 2007 23:38:41 GMT -5
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Post by Condor on Jun 10, 2007 23:40:54 GMT -5
Perhaps they can be tumbled in a mini-sonic vibrating tumbler beginning with stage 2. Since the mini-sonic has a speed control, you can adjust it at a very slow speed. Don't know if this will work. Just a suggestion.
Condor
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Post by texaswoodie on Jun 11, 2007 6:42:55 GMT -5
Hey Steph Ummmmmmm, can I come live in your garage for a while?
Curt
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Post by cina on Jun 11, 2007 7:04:24 GMT -5
Come on Curt allways room for another rockhound!
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blarneystone
spending too much on rocks
Rocks in my head
Member since March 2010
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Post by blarneystone on Jun 11, 2007 10:34:22 GMT -5
That's cool Steph... Looks like you founds lots of 'em!
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fossilman
spending too much on rocks
Member since April 2007
Posts: 256
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Post by fossilman on Jun 11, 2007 13:28:31 GMT -5
Belemnites are sometimes nicknamed "squid butts" or "cigar fossils." They are related to the modern cuttlefish, and also squids. Cuttlefish have a cartilage rod inside of their bodies at the opposite end from the head, and belemnites have theirs made of calcite. Careful tumbling them, they are calcite, and they also can split lengthwise easily. If I remember right, that species is Pachyteuthis densus. Nice find. I've had these before, but enver had a site to hunt them. Any matrix slabs with lots of them? Dan
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Post by cina on Jun 11, 2007 13:59:20 GMT -5
We found one slab but it only had 2 smallish ones in it I think the wind gets at the matrix Steph
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Post by krazydiamond on Jun 11, 2007 14:23:07 GMT -5
petrified squid butts...yummy.
KD
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sparkycat
off to a rocking start
Member since May 2007
Posts: 17
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Post by sparkycat on Jun 11, 2007 15:54:39 GMT -5
I was in the "What's that?" category as well. But now I know. Interesting.
How hard/dense are they? Like granite or sandstone, or what? Any colors that might come out when tumbled? Just curious.
Well, I learned something, so that makes it a useful day. Sparky
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fossilman
spending too much on rocks
Member since April 2007
Posts: 256
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Post by fossilman on Jun 11, 2007 19:30:25 GMT -5
hardness of 3, and brittle. They usually come out brown, but will break in a rotary into little bits.
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Post by cina on Jun 11, 2007 19:54:35 GMT -5
Mine must be a bit harder I tumbled it in 120/220 then droped it in the vibe to polish I will post pic's tonight or in the morning of the little buggers. Steph
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rockinmom
spending too much on rocks
Member since January 2007
Posts: 481
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Post by rockinmom on Jun 11, 2007 22:14:43 GMT -5
Really cool little things! T.
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181lizard
Cave Dweller
Still lurking :)
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Post by 181lizard on Jun 11, 2007 22:32:59 GMT -5
Those are way cool Cina!
Next time I have to get on a patron...I'm gonna call them "squidbutt!" hahahahahahahaaaahahahahaha!
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Post by cina on Jun 11, 2007 23:23:19 GMT -5
lol
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