As someone who's always on the lookout for new English words, this ABC news story has a whole phrase, as precious and as rare as the big Mars rock that the story is about: "olivine-gabbroic shergottite."
Make sure not to confuse it with your boring old, run-of-the-mill, plain-vanilla shergottite. This is the olivine-gabbroic stuff we're talking about.
https://abcnews.go.com/US/largest-mars-rock-found-earth-sold-43m-sothebys/story?id=123801994