Crack Geode

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How To Break Open A Geode. Continue this process until you see a crack develop in the geode, and then follow the crack around the geode until it opens.

Встроенное видео  Video Geodes - How to Crack open a Geode with an industrial soil Pipe Cutter. In this video we break open a 6 inch Geode using a popular chain cracking.

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How To Break Open A

Geode.

There are several ways to break open

geodes. The most popular way hammer/chisel method is described below.

First, we do want to stress that Keokuk area geodes especially should not be sawed open, as this process always destroys

interior minerals such as calcites or selenite blades if the minerals are along

the path of the saw blade and the shells do not look as nice as the agate skins

to the Mexican geodes. Cracking the geode may avoid these crystals as well

as giving the shell of the geode a more natural look.  Mexican coconut

geodes, however, can be sawed open but you still run the risk of damaging

interior minerals.  Many of these geodes, however, do look very attractive

polished.

Below I will describe the most popular method to

opening geodes besides sawing them.   There are many different ways to

open a geode, but no matter how you do it, the key is PATIENCE, PATIENCE,

PATIENCE.  If you want the geode to break into two halves, you absolutely

CANNOT just hit it as hard as you want to with a hammer.  If it is hollow,

you will be left with pieces in most cases, not two halves.

HAMMER/CHISEL METHOD:  This is the most

popular way to open a geode since most people have a hammer and chisel available

around the house or in a toolbox versus some of the more specialized methods

that mainly rock collectors have that are listed below.  To open a geode

with a hammer and chisel, score the geode all the way around the circumference

of the geode with the chisel.  We suggest using a flat-faced regular

chisel end versus the pointed type, since the force from a pointed chisel will

be directed over one spot versus over a larger area with the flat-faced chisel

better chances of opening along the line you want it to open on..  

Continue this process until you see a crack develop in the geode, and then

follow the crack around the geode until it opens.  If the geode is hollow,

and you know it is hollow, you must be very careful to not strike the chisel too

hard with the hammer.  Start lightly at first and then strike harder but

not too hard if a crack is not developing.  To see how to open a geode,

either view the provided videos or powerpoint presentations below.

Watch a video illustrating the hammer/chisel method to

open a large 5 inch Keokuk geode Windows Media Player File, 4.8 MB size high

speed users.   Windows Media Players should be available for

all Microsoft Windows users.  If you have problems viewing the video,

please contact us if you have Windows Media Player available for use.  We

plan to add a RealPlayer video soon as well.

Watch a video

illustrating the hammer/chisel method to open a small 2 inch Mexican coconut geode

Windows Media Player File, 4.6MB size high speed users.   Windows Media

Players should be available for all Microsoft Windows users.  If you have

problems viewing the video, please contact us if you have Windows Media Player

available for use.  We plan to add a RealPlayer video soon as well.

Watch a PowerPoint illustrating the hammer/chisel

method to open a 5 inch diameter Keokuk geode Microsoft PowerPoint file, 480KB

lower speed users.   Most Microsoft Office programs have PowerPoint

included.

Videos and PowerPoint presentations are

Copyright 2008, The Geode Gallery.  These resources are provided strictly

as an educational tools and are not available for distribution without the

expressed written consent of The Geode Gallery.  Anyone who uses these

resources for their own promotional purposes, alters the content, or

any other use not for educational purposes is strictly forbidden and will be subject to

appropriate copyright laws. 

SOCK METHOD:  This is the most popular

method for smaller geodes that young children break open themselves.  Place the geode in a

sock and hit very lightly with a hammer.  This method is mainly used in

groups with kids to protect pieces from flying and potentially hitting someone. 

Since you are focusing the pressure on the geode in one spot, your chances of

having the geode opening in two are not as great compared to the hammer/chisel

method, but it is still possible.  We strongly suggest this method when

having children open the geode themselves for everyone s safety children have a

tendency to swing the hammer as hard as they possibly can..   The

hammer/chisel method can be used on all sizes of geodes, so if you desire a

geode that is opened into two halves, we suggest using the hammer/chisel method

versus the sock method.  It may take a little more time but the end result

will be worth it.

PIPE CUTTER METHOD:  Opening geodes with a

soil pipe cutter is a more specialized method, and these tools are usually only

found among the more advanced or serious collectors who have a large quantity of

geodes to open.  Pipe cutters have a chain that contains

sharpened carbide-tipped roller blades that is wrapped around the geode and

tightened.  Unless the geode already has a crack in it visible or not, the

success rate for opening a geode into two nearly equal halves is very high with

a pipe cutter and the process is very quick.  Pipe cutters, however, are not

usually cheap, and that is why they aren t used or available on a widespread

basis.  The sizes vary, but the most popular type is the soil pipe cutter

that contains two arms with equal lengths and a jaw with the chain attached. 

Popular manufacturers are Ridgid, Reed, and Wheeler/Rex, and they can be

purchased through most plumbing suppliers these companies do not necessarily

sell direct, you have to go through a distributor.   The average price for

a new pipe cutter of this variety is anywhere from 300- 600 depending on how

long of a chain you want the longer the chain the more expensive as most of the

cost of the pipe cutter is actually in the chain.   Some tool rental places

also have these available for rent, contact rental businesses in your area for

availability if you are opening a large quantity of geodes to justify the cost. 

In areas where geodes are abundant such as the Keokuk, Iowa

area, many rockhounds have their own specialized tools for opening geodes. 

If you are in such an area, we encourage you to contact your local rock and

mineral club for more details.  Most clubs are more than happy to

accomodate you and answer your questions.  Virtually any tool that has

carbide tipped blades and is designed to cut concrete or rock will also open

geodes but make sure the blades are carbide tipped.  We have been told that

tile wet saws, concrete saws, and other related tools open geodes efficiently as

well.  SAFETY FIRST.  Make sure you know how to operate these tools

safely before using them.

I hope this has helped you in opening

your geodes.  To purchase un-opened geodes, please proceed to the links

provided below.

Small 2 Inch and Under Un-opened

Guaranteed Hollow Mexican Geodes Available for Purchase

Here

Larger 3 - 12 Inch Un-Opened

Guaranteed Hollow Keokuk Geodes Available for Purchase Here

Return To The Geode Gallery Homepage.

Where else in the world can guests choose an ancient Geode, crack it into two neat halves and be the first person ever to see the thousands of glittering crystals.

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Where else in the world can guests choose an ancient Geode, crack it into two neat halves and be the first person ever to see the thousands of glittering crystals inside.Welcome to Crack a Geode, exclusive to The Crystal Caves.One of the most unique activities in the Fascinating Facets Gift Shop, Crack a Geode is something that appeals to people of all ages, from toddlers to senior citizens. Understanding that no one has ever seen the beauty that lies hidden within these geodes, created by nature millions of years ago is a thrill indeed. Guests choosing to Crack a Geode take home the two neat halves as truly unique souvenirs together with a collection of information about Geodes generally, and the crystals that lie within their very own Geode.Visitors are guaranteed that the Geode they choose will be hollow, and have crystals inside so they really can t lose.

Cracking open a geode is much easier than you may believe. It can be hard work to go out and find geodes, but it s a lot of fun too. See my guide on How to find.

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