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Post by MyNewHobby on Jan 17, 2009 20:22:33 GMT -5
I have always loved the idea of geodes. You never know what you are going to get. A couple of years ago I purchased some whole, small geodes to crack myself. Holy moly .... no one told me geodes were that hard and hard to crack. Ah man ... I used loving tough (tapping) and got nada ..... zip I used a sock and my backyard step - swinging like a bat .... did nothing to crack two of the three I got. The third .... poor thing .... shattered .... needless to say .... i set those pieces and more pieces aside and off I went to pout. Now that I have this great hobby, I pulled out my geodes to find that the one that shattered was the one that was most awesome. I have now learned what not to do and need to learn "how to" with geodes. Here are some pictures: One geode looks older than God and Methusela ... and has the most intriguing insides .... now that I stopped long enough to look, I see this very tiny (I mean very tiny ... about 1/8"-1/16"), very clustered center of crystal .... spires .... points (?). Very Cool! The second geode is solid inside and now I understand why it was so hard to break. But it is very cool nonetheless. The third geode, my favorite ... has a hollow center and it took the most damage (ME). Last weekend I tried to piece together this one and some pieces are missing, but I think I have the gist of what this little beauty has to offer. She is my favorite. Her insides look like fluffy foam .... hope the picture does justice. Thanks again All for my ramblings Julie Julie
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Post by Jack, lapidaryrough on Jan 17, 2009 20:42:01 GMT -5
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Post by MyNewHobby on Jan 17, 2009 20:55:37 GMT -5
Great! Thanks for the information.
However .... I am poor right now ..... only rocks will make me happy. Oh ya ... that a new tumbler. ;D
I am so new to this that something that costs 3-4 figures is a dream. But .... now I know through referral where to go when I am ready ..... I won't have to look and try to figure it out myself.
Many Thanks and Big Appreciation Julie
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Rogue Trader
freely admits to licking rocks
"Don't cry because you are leaving, smile because you were there."
Member since December 2008
Posts: 839
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Post by Rogue Trader on Jan 17, 2009 21:10:06 GMT -5
How about using a 2lb club hammer and a 1" cold chisel?
Costs less than $10 and you can aim your chisel and tap as hard as it takes to split the rock.
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syfun
noticing nice landscape pebbles
Member since January 2009
Posts: 85
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Post by syfun on Jan 17, 2009 21:34:07 GMT -5
Don't they usually cut them in half with a saw? All the real nice ones I've ever seen were cut in half or slabbed. My son has a bag of geodes we bought on vacation a few summers ago. We broke a few with the sock/hammer and weren't happy with the results. As soon as I find a saw I'm going to cut them in half and then figure out how to polish the edges.
Steve
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Post by johnjsgems on Jan 17, 2009 22:24:16 GMT -5
Yes geodes and nodules (the solid ones) are best cut with a rock saw or tile saw. The pipe breakers work on geodes (the hollow ones). Breaking with hammers or hammers /chisels results in a pile of fragments.
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navi
starting to spend too much on rocks
Member since November 2008
Posts: 229
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Post by navi on Jan 17, 2009 23:19:19 GMT -5
i've cracked open many geodes. take a hammer and a 1" chisel. score a line all the way around the geode. then repeat the process, until you think it's time to take a good whack at it. if it didn't crack in half, repeat the process of chseling a line around the geode. eventually, you'll get it to crack and it will crack neatly on your line. takes time, but it's THE way to do it, no and's if's or but's.
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Post by Hard Rock Cafe on Jan 17, 2009 23:30:47 GMT -5
I've used a soil pipe cutter on medium sized geodes (around 6"). You can rent them for about $50. I found it helped to have a friend or stick them under a car tire to hold them steady.
I've used the hammer and chisel method on larger geodes (bigger than 6", up to 10" or so). Look for an existing fracture or decide which way you want it split. As Navi said, take your time and keep chiseling along the circumference, scoring a line. It will eventually sound different when it is ready to split.
I also have a bucket of smaller geodes (4" and under) that I'm saving for my saw.
Chuck
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Post by MyNewHobby on Jan 17, 2009 23:39:41 GMT -5
See..... now I know why I am here ....
Poor geodes never stood a chance.....
it's okay though ...... I won't be buying any geodes anytime soon as woof ..... lots of work.
I am still trying to get my tumbling legs ....
Dammit .......... patiently waiting for goodies from MichaelJohn
If I am really quiet I can hear ..... theme song from jeopardy
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Post by Michael John on Jan 18, 2009 15:39:02 GMT -5
Hehehe ...
"I'll take Rockhounding for $100"
"The rockhound who was found wandering the Mojave desert and later committed to a..."
BUZZZZZ
"Who is Mad Michael?"
"Correct!"
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Post by frane on Jan 19, 2009 11:49:34 GMT -5
That is too funny Michael! You and Julie are making me laugh! I cut some little ones that I bought in half with my trim saw...then I had to buy a new blade. What can I say, it is one of the first things I wanted to cut open and they were really to big for the saw blade. They were about 2-3 inches across but it didn't stop me. Tried to polish them up with so so results. Like I said, I was very new to all this. I think in the future, unless I get a biger saw, I will do the chisel line and hammer. Fran
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