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Post by snowmom on Jun 22, 2014 18:05:05 GMT -5
washingtonrocks, you bring up an interesting point... sometimes the stuff I find is almost impossible to tell whether it is conglomerate or porphyry, or even oolitic, sometimes it is both or all... I find lots of granite with porphyry, for example. Some just cross the line and cross it back again, so it is impossible to tell how the thing was made in the first/second/maybe third place. I kind of like those best, there is always a lot going on in them.
I like the red veins in the bottom piece in the bottom photo... pretty cool...........
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Deleted
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Post by Deleted on Jun 22, 2014 21:51:27 GMT -5
Feldspar in andesite doesn't sound like a mix that would tumble. Andesite too soft and would undercut....
Still a gorgeous stone!
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Sabre52
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Post by Sabre52 on Jun 23, 2014 8:34:33 GMT -5
Man I wish I could cut this one without having to bust it up. This is about a 15# puddingstone from Eagle Pass all sealed together with golden yellow moss agate....Mel  |
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Post by washingtonrocks on Jun 23, 2014 11:53:52 GMT -5
snowmom You bring up a better point that there's a difference between a conglomerate and a porphyry.  In my mind I sometimes tend to lump them together. Partially due to their appearance with those well-formed crystal faces, as well as the fact that they're formed in a two or three part process as you mentioned. This is why I never get tired of this hobby! @shotgunner I've got a load of these tumbling in coarse grit as we speak! I have no idea if they will even take a shine, but curiosity has got the best of me. Results will be posted here!
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Post by snowmom on Jun 23, 2014 13:27:02 GMT -5
Mel, I feel that! I have some I love so much I am afraid to cut or try to polish them. That one looks like home made peanut brittle with the red skins left on the peanuts... pretty! I think this thread is making me hungry, pork chops, peanut brittle... I have a couple of travertine breccia which looks like clumps of raw hamburger when it is wet. maybe this thread will end up having to be merged with that rock food table discussion. hmmmmmm
washingtonrocks, can't wait to see what this looks like when tumbled.
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MoonRock
off to a rocking start
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Post by MoonRock on Nov 17, 2015 1:09:31 GMT -5
This picture has some wet conclomerate stones. The patch is finished now, but still I havent had a chance to make pictures of ready ones. Theese stones like to chip a lot.. but this is my first patch...  |
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jamesp
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Post by jamesp on Nov 17, 2015 4:43:54 GMT -5
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Post by snowmom on Nov 17, 2015 8:40:38 GMT -5
JamesP... all a visual delight. Really, you made these all in concrete, cut and tumbled them? Very cool results. No cussing from here! Glad you and MoonRock resurrected this thread. It needs to continue.. MoonRock, for a first batch, those are looking darn nice. mine did not fare so well.. some real nice ones in there! welcome to the boards. |
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jamesp
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Post by jamesp on Nov 17, 2015 10:35:08 GMT -5
JamesP... all a visual delight. Really, you made these all in concrete, cut and tumbled them? Very cool results. No cussing from here! Glad you and MoonRock resurrected this thread. It needs to continue.. MoonRock, for a first batch, those are looking darn nice. mine did not fare so well.. some real nice ones in there! welcome to the boards. Some of those are found concrete. Others I mixed. The concrete around the rio Grande has lots of agate aggregate, go figure. never could get a good tumble polish on that stuff though. Apparently they have new 'jewelry' grade concretes that are very hard and polishable. May have to polish on a cab machine though. |
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Fossilman
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Post by Fossilman on Nov 17, 2015 10:57:41 GMT -5
How about three more..... Yellowstone River find-Montana  Western Oregon find...  Northern or central California find....  |
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MoonRock
off to a rocking start
Member since September 2015
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Post by MoonRock on Nov 17, 2015 14:08:00 GMT -5
JamesP... all a visual delight. Really, you made these all in concrete, cut and tumbled them? Very cool results. No cussing from here! Glad you and MoonRock resurrected this thread. It needs to continue.. MoonRock, for a first batch, those are looking darn nice. mine did not fare so well.. some real nice ones in there! welcome to the boards. Thank you, I learned a lot and I think I should try to polish them more because dried ones do not look that nice. Also I need to trim some cracks, but not sure that trimmed ones survive extra tumbling  ?... |
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MoonRock
off to a rocking start
Member since September 2015
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Post by MoonRock on Nov 17, 2015 14:24:17 GMT -5
I added new patch last week ☺  |
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Post by snowmom on Nov 17, 2015 18:48:21 GMT -5
those look like mostly granites and a few conglomerates. I know many will undercut, the soft parts coming out before the harder parts are ready, but some will
polish fine. Then you will know which ones to hunt for especially for tumbling. Jamesp has been tumbling granite for quite a while and has some threads about
it, check them out if you haven't already! keep rolling!
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Post by snowmom on Nov 17, 2015 18:49:24 GMT -5
Fossilman Mike, those got my attention. Glad to see you back at the saw and polishing things... watching with interest!
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Post by snowmom on Nov 17, 2015 18:50:05 GMT -5
Jamesp concrete cabs, who woulda thought?
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jamesp
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Post by jamesp on Nov 18, 2015 5:57:27 GMT -5
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jamesp
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Post by jamesp on Nov 18, 2015 6:01:02 GMT -5
Jamesp concrete cabs, who woulda thought? Check out 'concrete jewelry' on Etsy Deb. Not so cheap. |
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Fossilman
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Post by Fossilman on Nov 18, 2015 10:35:22 GMT -5
My filling is small granite stones,they have been through my tumblers many many times,boy they do keep a shine now....
That's their job in life now-keeping them busy....LOL
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Sabre52
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Post by Sabre52 on Nov 18, 2015 15:19:33 GMT -5
Here's a beauty that the kiddoes brought by the other day. Not only is it a breccia sealed with nice red and gold jasper but some of the included fragments are themselves brecciated so the whole thing looks like some kind of stone jig saw puzzle....Mel  |
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jamesp
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Post by jamesp on Nov 18, 2015 17:52:09 GMT -5
Yes breccias of breccias. How many generations of breccias is possible, no telling.
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In my mind I sometimes tend to lump them together. Partially due to their appearance with those well-formed crystal faces, as well as the fact that they're formed in a two or three part process as you mentioned. This is why I never get tired of this hobby!
?...
