These babies are very much like the ones that I gave Lena for her birthday 
The two halves fit exactly over each other to form a hollow rock ball.
I "programmed " these babies with magical intentions for Lena to find her "other half ". Full moon energies are powerful. An added birthday bonus
Geodes (Greek geoides, "earthlike") are geological rock formations which occur in sedimentary and certain volcanic rocks. they are , volcanic bubbles. Geodes are essentially rock cavities or vugs with internal crystal formations or concentric banding. The exterior of the most common geodes is generally limestone or a related rock, while the interior contains quartz crystals and/or chalcedony deposits. Other geodes are completely filled with crystal, being solid all the way through. These types of geodes are called nodulules.
Healing and magical properties
Spiritual and Healing Properties of the Geode:
Each one (geode) holds special energy.
They can hold just about anything.
Crystals can be placed in the cavity top recharge
An " intention " symbolically can held by them.
The act as a reminder that two halves make a whole
Geodes are excellent for clearing a room of negativity.
They promote harmony and productivity which makes them great for meeting rooms or the entrance to a home.
These are great stones for meditation.
They often contain information for a specific person
Other qualities :
Fertility, Childbirth, Meditation, Freedom of Spirit, Psychic Ability, Dreams, Astral Travel
Old-Nick
Pro 
a luvverly bunch o' coconuts 
I always get this mental image of Martin Prince on the simpsons getting irate during show and tell because his Geodes are being ignored because Bart came in with his dog!
"I demand that my Geode be Acknowledged!"
Cool things though. I didn't know you could charge them up, as it were.
x