Beautiful stone inside a hollow like rock !!!!

[Daprezident661]

I cut the rock in half and wow !

 

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[Daprezident661]

 

[DDancer]

You hit that cut dead on. Nice

 

[Daprezident661]

Thanks .. I'm still learning .. I never knew a rock could be like this . but what could that crystal be ?

 

[Daprezident661]

 

[Las Vegas Bob]

Nice find and great job making the cut

 

[BurntBear]

Strangely, it almost looks like a Calcite crystal inside. I'm not sure, but it's awesome! Great job! -Luke

 

[RW]

Excellent job. I have a couple geodes and a wet tile saw but don't know how to choose where to cut. Do you weigh it or go by external features or just go for it and hope for the best? Nice.

 

[Sidevalve45]

There is a place close to Hamilton Illinois right across the Mississippi river from Keokuk Iowa where you can dig geodes for a fee. I think it was around twenty five dollars and we dug three five gallon buckets of them. I've been putting them in my Geocache off and on for several years. Look up the Big Kahuna in Wisconsin.

Sidevalve45

 

[Las Vegas Bob]

Calcite comes to my mind as well, if you can get your hands on a short wave black light it might fluoresce if it is calcite. Take a look at my busted geode post I made and you'll see what I mean.

 

[hvacker]

Excellent job. I have a couple geodes and a wet tile saw but don't know how to choose where to cut. Do you weigh it or go by external features or just go for it and hope for the best? Nice.

I use the SWAG method. Scientific wild a$$ guess.

 

[Darrow]

Very nice surprise! Thanks for showing us

 

[Daprezident661]

There is a place close to Hamilton Illinois right across the Mississippi river from Keokuk Iowa where you can dig geodes for a fee. I think it was around twenty five dollars and we dug three five gallon buckets of them. I've been putting them in my Geocache off and on for several years. Look up the Big Kahuna in Wisconsin.

Sidevalve45

Thanks for the info, I'll be looking that up soon .

 

[ivan salis]

hollow rocks --proper name is a geode ///

 

[Daprezident661]

hollow rocks --proper name is a geode ///

Yup.. Thanks for the info . At the time of post I was jus too excited and wrote whatever came to mind for subject

 

[uglymailman]

There is a member here with a post titled "Need a rock identified?" or something close to that. Do a search at the top right of the page and it should come up. Cool find whatever ya call it. Good luck.

 

[Sidevalve45]

None of the geodes we open had anything fantastic inside for crystals but it was interesting to the wife, kid and myself as well. We had to cross a small creek to get to the dig site and I happened to see a round rock laying in the creek so I picked it up and gave it a shake and sure enough it was a geode and hollow inside. Check out the site below.


http://geodefest.org/Home_Page.php


Good luck,
Sidevalve45

 

[meMiner]

Isn't the simple test for calcite crystal, a drop of muriatic acid? If it bubbles, good chance it is calcite. I have seen people do this in the field on native rock to confirm calcite, but never seen it done on a geode.

 

[hvacker]

Isn't the simple test for calcite crystal, a drop of muriatic acid? If it bubbles, good chance it is calcite. I have seen people do this in the field on native rock to confirm calcite, but never seen it done on a geode.

Actually bubbles indicate a carbonate but it is a valuable test. Even a weak acid like vinegar will get a reaction on some. I dilute the acid to about 1/3 with water. Keep it off the fingers.

In cases where a natural acid acting on say limestone can have the affect over time of reducing the reaction to no reaction. I was at a mine once and the owner told of that being the case there.
Lots of geodes have quartz inside. Some purple amethyst.