A few rare gem materials are pieces of extraterrestrial objects or are a product of their impacts. Faceted moldavite is mounted into jewelry and sold as a novelty gem to collectors. Pallasites are stony-iron meteorites that contain colorful peridot (olivine) crystals that can be.
Space Gems is 2d flying scroller. You control a ship collecting gems.
Kongregate free online game Space Gems - A match 3 game with a intergalactic theme. Collect rocket fuel in each level so you can explor.