Murchison (AMNH 4378) main content.

Murchison (AMNH 4378)

Part of Hall of Meteorites.

B.3.2.3. Murchinson. Look closely hero

Look closely

The tiny white calcium-aluminum inclusions, or CAIs, in Murchison are exceptionally small—much smaller than the CAIs found in meteorites like Allende. Scientists have not determined why the size of CAIs can vary so much from meteorite to meteorite.