Thames & Kosmos Wow in the World: Break-Open Crystal Geodes handleiding

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Thames & Kosmos

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Handleiding

BREAKING OPEN THE GEODES

Use this method for the highest

likelihood of getting large geode

halves.

This is an easier and safer method

for younger kids. It will prevent geode

pieces from ying around, but the

resulting pieces may be smaller.

Using a hamer and chisel Using a hamer and sock

Put the geode into an old sock. Place it

on the hard surface. Hit it through the

sock with the hammer — gently at rst

and then a little harder —until it breaks.

Remove the pieces from the sock.

Place the geode on the hard surface.

Using a hammer and chisel, create a

scoring line around the middle of the

geode. Tap with enough force to chip

the outside, but not to crush the whole

geode to bits. As you work

your way around, a crack

will form. Continue to

chisel along the crack

until it breaks open.

Make sure you have read all safety warnings before starting. Always wear safety

goggles. Adult supervision is required. It can often take several tries to crack open a

geode, and kids often need help from an adult. Break your geodes on a hard surface

such as a concrete or stone area. Make sure it is okay if the surface takes a little

damage, like scratches or chips.

“The largest

geode ever”

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