anorthite – A mineral; the calcium-rich Severe from the plagioclase feldspar; the most common mineral of your lunar crust, although not so frequent on this planet. "It lets you know that broadly General you've got similar chemistries and very similar processes working to the Moon as on the planet." https://moonrocksaustralia26575.shopping-wiki.com/8547720/top_guidelines_of_moon_rocks_australia