Meteorite Glossary - Letter O
Please select a letter to view the meteorite and tektite definitions
Octahedrite:
A broad class of iron meteorites which is characterized by the presence of both Taenite and Kamacite nickel iron minerals in the crystal structure of the meteorite. Octahedrite meteorites will normally show a Widmanstatten pattern when sliced polished and etched. Size of the crystals determines the sub-class from coarsest to fine octahedrite.
Olivine:
A magnesium-iron silicate mineral commonly found in meteorites. It occurs as microscopic crystal grains in chondrites and as large often well formed crystals in pallasites.
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