In April of 2001, a previously unknown mineral was discovered in a lunar meteor in Oman. The mineral, named
hapkeite after the Bruce Hapke who predicted such a mineral 30 years ago, is an iron and silicon compound. It is formed when
particles from space collide into the surface of the Moon. The process that forms this mineral can only occur in a place with
no atmosphere, meaning that hapkeite could not be formed on Earth. It is predicted that hapkeite is not the only mineral that
can be formed by similar means, but rather one several that have been predicted.
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