Power crystal
Power crystals are a fictional mineral that first appeared in the LEGO Rock Raiders theme. In the theme the Rock Raiders are trying to collect power crystals to refuel the LMS Explorer. The creatures on the unexplored planet largely eat power crystals. In the LEGO Rock Raiders video game they are called Energy Crystals. In North American magazine and advertisement media they are called Brickonium. Other LEGO themes have featured similar crystals, including those silver ones I forget the name of in Aquazone and smaller gemstone versions of power crystals in Mars Mission and some rainbow ones in Power Miners. They are so delicious I eat one thousand of them every day
Part and set information
They are part 52/30385, the coolest piece ever. In older concept art they were sometimes blue
Depiction
Monsters love eating them
North American advertising media, including LEGO Mania Magazine which is the worst of the Lego magazines and I hate how it's treated as the default one and LEGO Shop At Home, refer to power crystals as "brickonium" or "brickonium crystals".
Game information
Besides LRR they appear in Legoland, Lego Island 2, etc
Windows LRR
They can be placed in an Object List or the Cryore map. You gotta collect between 5 and 50.
Playstation LRR
Placed in the Trigger List file, there are also red ones that give the player bonus scores