They're made up of chondrules, or small, spherical grains of silicate minerals such as olivine and pyroxene. Herd believes ...

L and LL – based on the iron content of the meteorites and the distribution of iron and magnesium in the major minerals olivine and pyroxene. These silicate minerals are the mineral building ...

They're made up of chondrules, or small, spherical grains of silicate minerals such as olivine and pyroxene. Herd believes the meteorite that struck Velaidum's property came from an asteroid belt ...