Which of the three main meteorite groups (stony, iron, stony-iron) is generally the rarest type encountered on the surface?

Answer

Stony-iron

Stony-iron meteorites are the rarest type encountered on the surface, often representing a transition zone between the metallic cores and stony crusts of their parent bodies.

Which of the three main meteorite groups (stony, iron, stony-iron) is generally the rarest type encountered on the surface?
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