Because of their rarity on Earth, and the difficulty of obtaining more, Moon rocks have been frequent targets of theft and vandalism, and many have gone missing or were stolen.
Moon rocks have been frequent targets of theft and vandalism. This was because of their rarity on Earth. This was because of the difficulty of obtaining more. Many have gone missing. This was because of their rarity on Earth. This was because of the difficulty of obtaining more. Many were stolen. This was because of their rarity on Earth. This was because of the difficulty of obtaining more.