- "Ah, you have another crystal! Well then, give it to me quickly and I will put it into a proper receptacle for viewing."
- ―Keemee to a droid
Those crystals could be activated by shining a powerful light beam onto them through the means of a laser light generator. Additionally, a large tilting mirror was needed to redirect the laser beam onto the crystal properly.
The technology of the Optical Information Crystals was invented during the Galactic Civil War between the Rebel Alliance and the Galactic Empire. By 0 ABY, a number of Optical Information Crystals had fallen into the hands of the Nkik clan of Jawas, who kept them in a stronghold on Tatooine, under the watchful eye of Keemee.